# Starlink

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Starlink is a satellite internet constellation operated by Starlink Services, LLC, an international telecommunications provider that is a wholly owned subsidiary of American aerospace company SpaceX, providing coverage to over 100 countries and territories. It also aims to provide global mobile broadband. Starlink has been instrumental to SpaceX's growth.
SpaceX started launching Starlink satellites in 2019. As of September 2024, the constellation consists of over 7,000 mass-produced small satellites in low Earth orbit (LEO) that communicate with designated ground transceivers. Nearly 12,000 satellites are planned to be deployed, with a possible later extension to 34,400. SpaceX announced reaching more than 1 million subscribers in December 2022 and 4 million subscribers in September 2024.
The SpaceX satellite development facility in Redmond, Washington, houses the Starlink research, development, manufacturing, and orbit control facilities. In May 2018, SpaceX estimated the total cost of designing, building and deploying the constellation would be at least US$10 billion. Revenues from Starlink in 2022 were reportedly $1.4 billion accompanied by a net loss, with a small profit being reported that began only in 2023. In May 2024 revenue was expected to reach $6.6 billion in 2024 but later in that year the prediction was raised to $7.7 billion. Revenue is expected to reach $11.8 billion in 2025.
Starlink has been extensively used in the Russo-Ukrainian War, a role for which it has been contracted by the United States Department of Defense. Starshield, a military version of Starlink, is designed for government use.
Astronomers raised concerns about the effect the constellation may have on ground-based astronomy, and how the satellites will contribute to an already congested orbital environment. SpaceX has attempted to mitigate astronometric interference concerns with measures to reduce the satellites' brightness during operation. The satellites are equipped with Hall-effect thrusters allowing them to raise their orbit, station-keep, and de-orbit at the end of their lives. They are also designed to autonomously and smoothly avoid collisions based on uplinked tracking data.

## History
### Background

Constellations of low Earth orbit satellites were first conceptualized in the mid-1980s as part of the Strategic Defense Initiative, culminating in Brilliant Pebbles, where weapons were to be staged in low orbits to intercept ballistic missiles at short notice. The potential for low-latency communication was also recognized and development offshoots in the 1990s led to numerous commercial megaconstellations using around 100 satellites such as Celestri, Teledesic, Iridium, and Globalstar. However all entities entered bankruptcy by the dot-com bubble burst, due in part to excessive launch costs at the time.
In 2004, Larry Williams, SpaceX VP of Strategic Relations and former VP of Teledesic's "Internet in the sky" program, opened the SpaceX Washington DC office. That June, SpaceX acquired a stake in Surrey Satellite Technology (SSTL) as part of a "shared strategic vision". SSTL was at that time working to extend the Internet into space. However, SpaceX's stake was eventually sold back to EADS Astrium in 2008 after the company became more focused on navigation and Earth observation.
In early 2014, Elon Musk and Greg Wyler were working together planning a constellation of around 700 satellites called WorldVu, which would be over 10 times the size of the then largest Iridium satellite constellation. However, these discussions broke down in June 2014, and SpaceX instead filed an International Telecommunications Union (ITU) application via the Norwegian Communications Authority under the name STEAM. SpaceX confirmed the connection in the 2016 application to license Starlink with the Federal Communications Commission (FCC). SpaceX trademarked the name Starlink in the United States for their satellite broadband network; the name was inspired by the 2012 novel The Fault in Our Stars.

### Design phase (2015–2016)

Starlink was publicly announced in January 2015 with the opening of the SpaceX satellite development facility in Redmond, Washington. During the opening, Musk stated there is still significant unmet demand worldwide for low-cost broadband capabilities. and that Starlink would target bandwidth to carry up to 50% of all backhaul communications traffic, and up to 10% of local Internet traffic, in high-density cities. Musk further stated that the positive cash flow from selling satellite internet services would be necessary to fund their Mars plans. Furthermore, SpaceX has long-term plans to develop and deploy a version of the satellite communication system to serve Mars.
Starting with 60 engineers, the company operated in 2,800 m$^2$ (30,000 sq ft) of leased space, and by January 2017 had taken on a 2,800 m$^2$ (30,000 sq ft) second facility, both in Redmond. In August 2018, SpaceX consolidated all their Seattle-area operations with a move to a larger three-building facility at Redmond Ridge Corporate Center to support satellite manufacturing in addition to R&D. In July 2016, SpaceX acquired an additional 740 m$^2$ (8,000 sq ft) creative space in Irvine, California (Orange County). The Irvine office would include signal processing, RFIC, and ASIC development for the satellite program.
By October 2016, the satellite division was focusing on a significant business challenge of achieving a sufficiently low-cost design for the user equipment. SpaceX President Gwynne Shotwell said then that the project remained in the "design phase as the company seeks to tackle issues related to user-terminal cost".

### Start of development phase (2016–2019)

In November 2016, SpaceX filed an application with the FCC for a "non-geostationary orbit (NGSO) satellite system in the fixed-satellite service using the Ku- and Ka- frequency bands".
In September 2017, the FCC ruled that half of the constellation must be in orbit within six years to comply with licensing terms, while the full system should be in orbit within nine years from the date of the license.
SpaceX filed documents in late 2017 with the FCC to clarify their space debris mitigation plan, under which the company was to:
   "...implement an operations plan for the orderly de-orbit of satellites nearing the end of their useful lives (roughly five to seven years) at a rate far faster than is required under international standards. [Satellites] will de-orbit by propulsively moving to a disposal orbit from which they will re-enter the Earth's atmosphere within approximately one year after completion of their mission."
In March 2018, the FCC granted SpaceX approval for the initial 4,425 satellites, with some conditions. SpaceX would need to obtain a separate approval from the ITU. The FCC supported a NASA request to ask SpaceX to achieve an even higher level of de-orbiting reliability than the standard that NASA had previously used for itself: reliably de-orbiting 90% of the satellites after their missions are complete.
In May 2018, SpaceX expected the total cost of development and buildout of the constellation to approach $10 billion (equivalent to $11,950,000,000 in 2023). In mid-2018, SpaceX reorganized the satellite development division in Redmond, and terminated several members of senior management.

### First launches (2019–2020)

After launching two test satellites in February 2018, the first batch of 60 operational Starlink satellites were launched in May 2019.
By late 2019, SpaceX was transitioning their satellite efforts from research and development to manufacturing, with the planned first launch of a large group of satellites to orbit, and the clear need to achieve an average launch rate of "44 high-performance, low-cost spacecraft built and launched every month for the next 60 months" to get the 2,200 satellites launched to support their FCC spectrum allocation license assignment. SpaceX said they will meet the deadline of having half the constellation "in orbit within six years of authorization... and the full system in nine years".
By July 2020, Starlink's limited beta internet service was opened to invitees from the public. Invitees had to sign non-disclosure agreements, and were only charged $2 per month to test out billing services. In October 2020 a wider public beta was launched, where beta testers were charged the full monthly cost and could speak freely about their experience. Starlink beta testers reported speeds over 150 Mbit/s, above the range announced for the public beta test.

### Commercial service (2021–present)

Pre-orders were first opened to the public in the United States and Canada in early 2021.
The FCC had earlier awarded SpaceX with $885.5 million worth of federal subsidies to support rural broadband customers in 35 U.S. states through Starlink. but the $885.5 million aid package was revoked in August 2022, with the FCC stating that Starlink "failed to demonstrate" its ability to deliver the promised service. SpaceX later appealed the decision saying they met or surpassed all RDOF deployment requirements that existed during bidding and that the FCC created "new standards that no bidder could meet today". In December 2023, the FCC formally denied SpaceX's appeal since "Starlink had not shown that it was reasonably capable of fulfilling RDOF's requirements to deploy a network of the scope, scale, and size" required to win the subsidy.
In March 2021, SpaceX submitted an application to the FCC for mobile variations of their terminal designed for vehicles, vessels and aircraft, and later in June the company applied to the FCC to use mobile Starlink transceivers on launch vehicles flying to Earth orbit, after having previously tested high-altitude low-velocity mobile use on a rocket prototype in May 2021.
In 2022, SpaceX announced the Starlink Business service tier, a higher-performance version of the service. It provides a larger high-performance antenna and listed speeds of between 150 and 500 Mbit/s with a cost of $2500 for the antenna and a $500 monthly service fee. The service includes 24/7, prioritized support. Deliveries are advertised to begin in the second quarter of 2022. The FCC also approved the licensing of Starlink services to boats, aircraft, and moving vehicles. Starlink terminal production being delayed by the 2020–2023 global chip shortage led to only 5,000 subscribers for the last two months of 2021 but this was soon resolved.
On December 1, 2022, the FCC issued an approval for SpaceX to launch the initial 7500 satellites for its second-generation (Gen2) constellation, in three low-Earth-orbit orbital shells, at 525, 530, and 535 km (326, 329 and 332 mile) altitude. Overall, SpaceX had requested approval for as many as 29,988 Gen2 satellites, with approximately 10,000 in the 525–535 km (326 to 332 mile) altitude shells, plus ~20,000 in 340–360 km (210 mile to 220 mile) shells and nearly 500 in 604–614 km (375 to 382 mile) shells. However, the FCC noted that this is not a net increase in approved on-orbit satellites for SpaceX since SpaceX is no longer planning to deploy 7518 V-band satellites at 340 km (210 mi) altitude that had previously been authorized.
In March 2023, the company reported that they were manufacturing six Starlink "v2 mini" satellites per day as well as thousands of users terminals. The v2 mini has Gen2 Starlink satellite features while being assembled in a smaller form factor than the larger Gen2 sats. The Gen2 satellites require the 9 meter (29.5 foot) diameter Starship in order to launch them. The Starlink business unit had a single cash-flow-positive quarter during 2022, and is expecting to be profitable in 2023.
In May 2018, SpaceX estimated the total cost of designing, building and deploying the constellation would be at least US$10 billion. In January 2017, SpaceX expected annual revenue from Starlink to reach $12 billion by 2022 and exceed $30 billion by 2025. Starlink was at annual loss in 2021. Revenues from Starlink in 2022 were reportedly $1.4 billion accompanied by a net loss, with a small profit being reported by Musk starting in 2023.
Tensions between Brazil and Elon Musk's business ventures escalated in 2024 as the country's telecom regulator Anatel threatened to sanction Starlink after Brazil's top court upheld a ban on X. Luiz Inácio Lula da Silva supported the decision, citing X's role in allegedly spreading hate and misinformation undermining Brazil's democracy. Judge Alexandre de Moraes had frozen Starlink's accounts, and Starlink refused to comply with an order to block domestic access to X until the freeze was lifted, risking its license to operate.
The Wall Street Journal reported in October 2024 that Musk had been in regular contact with Russian President Vladimir Putin and other high ranking Russian government officials since late 2022, discussing personal topics, business and geopolitical matters. The Journal reported that Putin had asked Musk to avoid activating his Starlink satellite system over Taiwan, to appease Chinese Communist Party general secretary Xi Jinping. The communications were reported to be a closely held secret in government, given Musk's involvement in promoting the presidential candidacy of Donald Trump, and his security clearance to access classified government information. One person said no alerts were raised by the U.S. government, noting the dilemma of the government being dependent on Musk's technologies. Musk initially voiced support for Ukraine's defense against Russia's 2022 invasion by donating Starlink terminals, but made later decisions to limit Ukrainian access to Starlink, which coincided with Russian pressure in public and in private. In a November 2024 call with President Volodymyr Zelenskyy, Musk said he will continue supporting Ukraine through Starlink.
SpaceX has asked its numerous Taiwanese suppliers to move production abroad citing geopolitical risk concerns. This move was questioned by the Taiwanese government and resulted in significant anger from the Taiwanese public with citizens pointing out that Starlink was unavailable in Taiwan despite its suppliers underlying the technology and others calling for a boycott of Tesla products.
In November 2024, SpaceX proposed a constellation of Starlink satellites around Mars, referred to as "Marslink." The proposed system would be capable of providing more than 4 Mbit/s of bandwidth between Earth and Mars as well as imaging services.
Starting in July 2024, SpaceX began conducting tests on Starlink in cooperation with the Romanian Ministry of National Defense and National Authority for Communications Administration and Regulation (ANCOM). These tests aim at demonstrating that the Equivalent Power Flux Density (EPFD) limit can be safely increased, thus improving the speed and coverage area of Starlink, without affecting classic, geostationary satellites. The results of these tests will be used to help change a rule set by the International Telecommunication Union in the 1990s regarding the limits of non-geostationary satellites.
Starlink was part of an investigation by USAID into sexual exploitation and abuse in Ukraine when USAID's Inspector General was fired by President Trump and all employees put on administrative leave. The USAID website was scrubbed of all information related to the Starlink probe.
In March 2025 the director of the Commerce Department's rural broadband program resigned criticizing undue emphasis on Starlink from the Trump administration. Musk's involvement in politics has also been protested by a number of Starlink customers.

#### Subscribers

As of February 2025, Starlink reports the number of its customers worldwide as more than 5 million.
| Month | Subscribers or customers |
| February 2021 | ≈ 10,000 |
| June 2021 | ≈ 100,000 |
| November 2021 | ≈ 140,000 |
| February 2022 | ≈ 250,000 |
| May 2022 | ≈ 400,000 |
| June 2022 | ≈ 500,000 |
| September 2022 | ≈ 700,000 |
| December 2022 | ≈ 1,000,000 |
| May 2023 | ≈ 1,500,000 |
| September 2023 | ≈ 2,000,000 |
| December 2023 | ≈ 2,200,000 |
| March 2024 | ≈ 2,600,000 |
| April 2024 | ≈ 2,700,000 |
| May 2024 | ≈ 3,000,000 |
| September 2024 | ≈ 4,000,000 |
| December 2024 | ≈ 4,600,000 |
| February 2025 | ≈ 5,000,000 |

## Services
### Satellite internet

Starlink provides satellite-based internet connectivity to underserved areas of the planet, as well as competitively priced service in more urbanized areas.
In the United States, Starlink charged, at launch, a one-time hardware fee of $599 for a user terminal and $120 per month for internet service at a fixed service address. An additional $25 per month allows the user terminal to move beyond a fixed location (Starlink For RVs) but with service speeds deprioritized compared to the fixed users in that area. Fixed users are told to expect typical throughput of "50 to 150 Mbit/s and latency from 20 to 40 ms", a study found users averaged download speeds of 90.55 Mbit/s in the first quarter of 2022, but dropped to 62.5 Mbit/s in the second quarter. A higher performance version of the service (Starlink Business) advertises speeds of 150 to 500 Mbit/s in exchange for a more costly $2,500 user terminal and a $500 monthly service fee. Another service called Starlink Maritime became available in July 2022 providing internet access on the open ocean, with speeds of 350 Mbit/s, requiring purchase of a maritime-grade $10,000 user terminal and a $5,000 monthly service fee.
Sales are capped to a few hundred fixed users per 20 km (10 mile) "service cell area" due to limited wireless capacity. Starlink alternatively offers a Best Effort service tier allowing homes in capped areas to receive the current unused bandwidth of their cell while they are on the waiting list for more prioritized service. The price and equipment are the same as the residential service at $110 per month. To improve the service quality in densely populated areas, Starlink introduced a monthly 1 TB data cap for all non-business users which was enforced starting in 2023.
In August 2022, SpaceX lowered monthly service costs for users in select countries. For example, users in Brazil and Chile saw monthly fee decreases of about 50%.
According to internet analysis company Ookla, Starlink speeds degraded during the first half of 2022 as more customers signed up for the service. SpaceX has said that Starlink speeds will improve as more satellites are deployed.
In September 2023, satellite operator SES announced a satellite internet service for cruise lines using both the Starlink satellites in Low Earth Orbit (LEO) and SES' own O3b mPOWER satellite constellation in Medium Earth Orbit (MEO). Integrated, sold and delivered by SES, the SES Cruise mPOWERED + Starlink service claims to combine the best features of LEO and MEO orbits to provide high-speed, secure connectivity at up to 3 Gbit/s per ship, to cruise ships anywhere in the world. In February 2024, SES announced that Virgin Voyages will be the first cruise line to deploy the service.

### Satellite cellular service

For future service, T-Mobile US and SpaceX are partnering to add satellite cellular service capability to Starlink satellites. It will provide dead-zone cell phone coverage across the US using the existing midband PCS spectrum owned by T-Mobile. Cell coverage will begin with text messaging and expand to include voice and limited data services later, with testing to begin in 2024. T-Mobile plans to connect to Starlink satellites via existing 4G LTE mobile devices, unlike previous generations of satellite phones, which used specialized radios, modems, and antennas to connect to satellites in higher orbits. Bandwidth will be limited to 2 to 4 megabits per second total, split across a very large cell coverage area, which would be limited to thousands of voice calls or millions of text messages simultaneously in a coverage area. The size of a single coverage cell has not yet been publicly released.
The first six cell phone capable satellites launched on January 2, 2024.
Rogers Communications, in April 2023, signed an agreement with SpaceX for using Starlink for satellite-to-phone services in Canada. Also in April 2023, One NZ (formerly Vodafone New Zealand) announced that they would be partnering with SpaceX's Starlink to provide 100% mobile network coverage over New Zealand. SMS text service is expected to begin in 2024, with voice and data functionality in 2025. In July 2023, Optus in Australia announced a similar partnership.
On January 8, 2024, it was confirmed by SpaceX that they had successfully tested text messaging using the new Direct-to-Cell capability on T-Mobile's network.

### Starshield

In December 2022, SpaceX announced Starshield, a separate Starlink service designed for government entities and military agencies. Starshield enables the U.S. Department of Defense (DoD) to own or lease Starshield satellites for partners and allies. Cybernews remarked that Starshield was first announced in late 2022, when Starlink's presence in Ukraine showed the importance it can have in modern warfare. While Starlink had not been adapted for military use, Starshield has the usual requirements for mobile military systems like encryption and anti-jam capabilities. Elon Musk stated that "Starlink needs to be a civilian network, not a participant to combat. Starshield will be owned by the US government and controlled by DoD Space Force. This is the right order of things."
Starshield satellites are advertised as capable of integrating a wide variety of payloads. Starshield satellites will be compatible with, and interconnect to, the existing commercial Starlink satellites via optical inter-satellite links.
In January 2022, SpaceX deployed four national security satellites for the U.S. government on their Transporter-3 rideshare mission. In the same year they launched another group of four U.S. satellites with an on-orbit spare Globalstar FM-15 satellite in June.
In September 2023, the Starshield program received its first contract from the U.S. Space Force to provide customized satellite communications for the military. This is under the Space Force's new "Proliferated Low Earth Orbit" program for LEO satellites, where Space Force will allocate up to $900 million worth of contracts over the next 10 years. Although 16 vendors are competing for awards, the SpaceX contract is the only one to have been issued to date. The one-year Starshield contract was awarded on September 1, 2023. The contract is expected to support 54 mission partners across the Army, Navy, Air Force, and Coast Guard.

## Applications
### Military

SpaceX also designs, builds, and launches customized military satellites based on variants of the Starlink satellite bus, with the largest publicly known customer being the Space Development Agency (SDA).
SDA accelerates development of missile defense capabilities, primarily via observation platforms, using industry-procured low-cost low Earth orbit satellite platforms.
In October 2020, SDA awarded SpaceX an initial $150 million dual-use contract to develop 4 satellites to detect and track ballistic and hypersonic missiles. The first batch of satellites were originally scheduled to launch September 2022 to form part of the Tracking Layer Tranche 0 of the U.S. Space Force's National Defense Space Architecture (NDSA), a network of satellites performing various roles including missile tracking. The launch schedule slipped multiple times but eventually launched in April 2023.
In 2020, SpaceX hired retired four-star general Terrence J. O'Shaughnessy who, according to some sources, is associated with Starlink's military satellite development, and according to one source, is listed as a "chief operating officer" at SpaceX. While still on active duty, O'Shaughnessy advocated before the United States Senate Committee on Armed Services for a layered capability with lethal follow-on that incorporates machine learning and artificial intelligence to gather and act upon sensor data quickly.
SpaceX was not awarded a contract for the larger Tranche 1, with awards going to York Space Systems, Lockheed Martin Space, and Northrop Grumman Space Systems.

#### Military communications

In 2019, tests by the United States Air Force Research Laboratory (AFRL) demonstrated a 610 Mbit/s data link through Starlink to a Beechcraft C-12 Huron aircraft in flight. Additionally, in late 2019, the United States Air Force successfully tested a connection with Starlink on an AC-130 Gunship.
In 2020, the Air Force used Starlink in support of its Advanced Battlefield management system during a live-fire exercise. They demonstrated Starlink connected to a "variety of air and terrestrial assets" including the Boeing KC-135 Stratotanker.
Expert on battlefield communications Thomas Wellington has argued that Starlink signals, because they use narrow focused beams, are less vulnerable to interference and jamming by the enemy in wartime than satellites flying in higher orbits.
In May 2022, Chinese military researchers published an article in a peer-reviewed journal describing a strategy for destroying the Starlink constellation if they threaten national security. The researchers specifically highlight concerns with reported Starlink military capabilities. Musk has declared Starlink is meant for peaceful use and has suggested Starlink could enforce peace by taking strategic initiative. Russian officials including the head of Russia's space agency Dmitry Rogozin, have warned Elon Musk and criticized Starlink, including warning that Starlink could become a legitimate military target in the future.

#### Russo-Ukrainian War

Starlink was activated during the Russian invasion of Ukraine, after a request from the Ukrainian government. Ukraine's military and government rapidly became dependent on Starlink to maintain Internet access. Starlink is used by Ukraine for communication, such as keeping in touch with the outside world and keeping the energy infrastructure working.
The service is also notably used for warfare. Starlink is used for connecting combat drones, naval drones, artillery fire coordination systems and attacks on Russian positions. SpaceX has expressed reservations about the offensive use of Starlink by Ukraine beyond military communications and restricted Starlink communication technology for military use on weapon systems, but has kept most of the service online. Its use in attacking Russian targets has been criticized by the Kremlin.
Musk has warned that the service was costing $20 million per month, and a Ukrainian official estimated SpaceX's contributions as over $100 million. In June 2023, the United States Department of Defense signed a contract with SpaceX to finance Starlink use in Ukraine. In February 2025, U.S. negotiators Scott Bessent and Keith Kellogg pressured Ukraine to grant access to its critical minerals by warning of a potential Starlink shutdown, a service crucial to its military operations, as per three sources familiar with the matter. The issue surfaced after Volodymyr Zelenskyy rejected a U.S. proposal for mineral rights in exchange for wartime aid. While Musk denied the claims, Reuters stood by its report. Meanwhile, Donald Trump pushed Ukraine for U.S. access, criticizing Zelenskiy after he dismissed Trump’s stance as Russian-influenced. Three days after the February 28, 2025, meeting between Trump and Zelenskyy in the White House the U.S. suspended all military aid and a day later also intelligence to Ukraine.

#### Gaza war

In October 2023 after the Gaza war started, users shared the hashtag #starlinkforgaza on Elon Musk's social network X (formerly Twitter), demanding he activate Starlink in Gaza after Internet service in the region was lost. Musk answered that Starlink connectivity would be provided for aid groups in Gaza. At the end of November, Musk said the Starlink service would only be provided for Gaza with the approval of the government of Israel.

### Criminal

According to Wired, Starlink supplies key support to scam centers in Southeast Asia with "criminals running multibillion-dollar empires across Southeast Asia appear to be widely using the satellite internet network." Wired identified more than one hundred Starlink devices in use at just one center, KK Park in Myanmar.

### Humanitarian use in Iran

In 2022, the U.S. State Department and U.S. Treasury Department updated rules regarding export of technology to Iran, allowing Starlink to be exported to Iran in support of the Iranian protests against compulsory hijab, which had triggered extensive government censorship. Immediately afterwards, Starlink service was activated in Iran. In 2023, the Iranian government filed a complaint with the ITU against SpaceX for unauthorized Starlink operation in Iran. In October 2023 and March 2024, the ITU ruled in favor of Iran, dismissing a SpaceX assertion that it should not be expected to verify the location of every terminal connecting to its satellites. Iran claimed that SpaceX was capable of determining their user terminal locations by citing an October 2022 tweet from Musk saying the number of Starlink terminals operating within Iran was "approaching 100". Despite the efforts of the Iranian regime, the number of Starlink users has grown exponentially via sales of the terminals on the black market. Iranian officials have acknowledged that 30,000 terminals in the country, providing access to some 100,000 users.

## Internet availability and regulatory approval by country

In order to offer satellite services in any nation-state, International Telecommunication Union (ITU) regulations and long-standing international treaties require that landing rights be granted by each country jurisdiction, and within a country, by the national communications regulators. As a result, even though the Starlink network has near-global reach at latitudes below approximately 60°, broadband services can only be provided in 40 countries as of September 2022. SpaceX can also have business operation and economic considerations that may make a difference in which countries Starlink service is offered, in which order, and how soon. For example, SpaceX formally requested authorization for Canada only in June 2020, the Canadian regulatory authority approved it in November 2020, and SpaceX rolled out service two months later, in January 2021. As of September 2022, Starlink services were on offer in 40 countries, with applications pending regulatory approval in many more.
Canada was the first outside country to approve the service with the Innovation, Science and Economic Development Canada announcing regulatory approval for the Starlink low Earth orbit satellite constellation on November 6, 2020.
In May 2022, Starlink entered the Philippine market, the company's first deployment in Asia, because of a landmark legislative change (RA 11659, Public Services Act) about all-foreign allowance of company ownership in regards to utility entities such as internet and telco companies. Starlink got provisional permission from the country's Department of Information and Communication Technologies (DICT), National Telecommunications Commission (NTC), and Department of Trade and Industry (DTI) and soon began commercial services, aimed at regions with lower internet connectivity.
In August 2022, SpaceX secured its first contract for services in the passenger shipping industry. Royal Caribbean Group has added Starlink internet to Freedom of the Seas and planned to offer the service on 50 ships under its Royal Caribbean International, Celebrity Cruises, and Silversea Cruises brands by March 2023. Starlink services on private jet charter flights in the U.S. by JSX airline are expected to begin in late 2022, and Hawaiian Airlines had contracted to provide "Starlink services on transpacific flights to and from Hawaii in 2023."
In June 2023, a license to offer internet services in Zambia was granted to Starlink by the Zambian Government through its Electronic Government Division – SMART Zambia, after the completion of many trial projects throughout the country. In October 2023, Starlink officially went live in Zambia.
In July 2023, the Mongolian government issued two licenses to SpaceX to provide internet access in the country.
In July 2023, it was reported by Bloomberg that attempts to sell the service to Taiwan in 2022 fell through when SpaceX insisted on 100% ownership of the Taiwan subsidiary running Starlink in the country. This went against Taiwanese law that required that internet service providers (ISP) are at least 51% controlled by local companies, an impracticality when dealing with a globe-spanning ISP.
Japan's major mobile provider, KDDI, announced a partnership with SpaceX to begin offering in 2022 expanded connectivity for its rural mobile customers via 1,200 remote mobile towers.
On April 25, 2022, Hawaiian Airlines announced an agreement with Starlink to provide free internet access on its aircraft, becoming the first airline to use Starlink. By July 2022, Starlink internet service was available in 36 countries and 41 markets.
In May 2022, it was announced that regulatory approval had been granted for Nigeria, Mozambique, and the Philippines. In the Philippines, commercial availability began on February 22, 2023.
In September 2022, trials began at McMurdo Station in Antarctica and from December 2022 on field missions. Antarctica has no ground stations, so polar-orbiting satellites with optical interlinks are used to connect to ground stations in South America, New Zealand, and Australia.
In September 2023, the US-based United Against Nuclear Iran started donating subscriptions and terminals to Iranians to allow them to circumvent Iran's internet blackout.
In September 2023, it was reported by some Indian news outlets that Starlink would imminently receive its license to operate in India after Starlink was able to meet all regulatory requirements, but that it would still be required to apply for spectrum allocation in order to provide service. SpaceX had earlier sold 5000 Starlink preorders in India, and in 2021 had announced that Sanjay Bhargava, who had worked with Musk as part of a team that founded electronic payment firm PayPal, would head the tech billionaire entrepreneur's Starlink satellite broadband venture in India. Three months later, Bhargava resigned "for personal reasons" after the Indian government ordered SpaceX to halt selling preorders for Starlink service until SpaceX gained regulatory approval for providing satellite internet services in the country. In April 2024, it was reported in some Indian news outlets that Starlink had received its "in-principle government approval" and that the approval now "lies at the desk of communications minister Ashwini Vaishnaw"
In November 2023, Starlink received the licenses to operate in Fiji. The service was launched in Fiji in May 2024.
In April 2024, it was reported that the company would begin trial service in Indonesia in May. Starlink received its license to operate in Indonesia in early May.
In May 2024, Starlink service was available for pre-order in Sri Lanka, pending regulatory approval. Starlink received its license to operate in Sri Lanka in August of the same year.
In August 2024, Starlink received the licenses to operate in Yemen. Starlink services will soon be implemented through the corporation's sales points distributed across most governorates. These points will provide a full range of services, including device sales, activation, subscription fee payments, and direct technical support.
On 22 October 2024, Qatar Airways launched the first Starlink-equipped Boeing 777 flight, flying from Doha to London. As of November 2024, Morocco is set to give regulatory approval to Starlink by 2025.
On 11 and 12 March 2025, Indian telecom companies Airtel and Jio have partnered with Starlink to bring satellite internet to India, aiming to improve connectivity in remote areas. However, the service's rollout is dependent on securing necessary government approvals. These partnerships promise to expand broadband access, especially in underserved regions.
Countries with Starlink availability :
| # | Continent | Country/Territory | Debut | Notes |
| 1 | Americas | United States Puerto Rico United States Virgin Islands Guam Northern Mariana Islands | Limited trials August 2020, public beta November 2020 | Service expanded to Guam and Northern Mariana Islands in November 2023 |
| 2 | Americas | Canada | January 2021 | |
| 3 | Europe, Oceania | United Kingdom Pitcairn Islands | January 2021 | Free trial in Pitcairn Islands started in November 2022. |
| 4 | Europe | Germany | March 2021 | |
| 5 | Oceania | New Zealand Cook Islands | April 2021 | Service expanded to Cook Islands in September 2024 |
| 6 | Oceania | Australia | April 2021 | |
| 7 | Europe, Caribbean, Africa | France Saint Martin Saint Barthélemy Guadeloupe Martinique Réunion | Original debut May 2021, Revoked April 2022, Re-approved June 2022 | Approval originally given in February 2021 but the Conseil d'État annulled that Decision on April 5, 2022, due to lack of public consultation. Approval was given again after consultation was completed on June 2, 2022. Service expanded to Saint Martin and Saint Barthélemy in July 2022. Service expanded to Martinique and Guadeloupe in September 2022. |
| 8 | Europe | Austria | May 2021 | |
| 9 | Europe | Netherlands | May 2021 | |
| 10 | Europe | Belgium | May 2021 | |
| 11 | Europe | Ireland | Limited trials April 2021, public beta July 2021 | |
| 12 | Europe | Denmark | July 2021 | Autonomous territories Faroe Islands and Greenland not covered |
| 13 | Europe | Portugal | August 2021 | |
| 14 | Europe | Switzerland | August 2021 | |
| 15 | Americas | Chile Easter Island | Limited trials July 2021, public beta September 2021 | Service expanded to Easter Island in November 2022. |
| 16 | Europe | Poland | September 2021 | |
| 17 | Europe | Italy | September 2021 | |
| 18 | Europe | Czechia | September 2021 | |
| 19 | Europe | Sweden | October 2021 | |
| 20 | Americas | Mexico | November 2021 | |
| 21 | Europe | Croatia | November 2021 | |
| 22 | Europe | Lithuania | December 2021 | |
| 23 | Europe | Spain | January 2022 | |
| 24 | Europe | Slovakia | January 2022 | |
| 25 | Europe | Slovenia | January 2022 | |
| 27 | Americas | Brazil | January 2022 | |
| 28 | Europe | Bulgaria | February 2022 | |
| 29 | Europe | Ukraine | February 2022 | Initially supplied as emergency relief in response to the 2022 Russian invasion of Ukraine. See Starlink satellite services in Ukraine. |
| 30 | Europe | Romania | April 2022 | |
| 31 | Europe | Greece | April 2022 | |
| 32 | Europe | Latvia | April 2022 | |
| 33 | Europe | Hungary | May 2022 | |
| 34 | Europe | North Macedonia | June 2022 | |
| 35 | Europe | Luxembourg | July 2022 | |
| 36 | Americas | Dominican Republic | July 2022 | |
| 37 | Europe | Moldova | August 2022 | |
| 38 | Europe | Estonia | August 2022 | |
| 39 | Europe | Norway | August 2022 | Svalbard and Jan Mayen added in February 2025. |
| 40 | Europe | Malta | September 2022 | |
| 41 | Middle East | Iran | September 2022 | Activated without Iranian government permission, but with permission of the U.S. government, in response to internet blackout in Iran as a result of the Mahsa Amini protests. 20 thousand terminals. |
| 42 | Asia | Japan | October 2022 | First in Asia. |
| 43 | Americas | Jamaica | October 2022 | |
| 44 | Europe | Finland Åland | November 2022 | Autonomous region Åland Islands added in February 2025. |
| 45 | Americas | Barbados | November 2022 | |
| 46 | Americas | Peru | January 2023 | |
| 47 | Africa | Nigeria | January 2023 | First in Africa. |
| 48 | Americas | Colombia | January 2023 | |
| 49 | Europe | Iceland | February 2023 | |
| 50 | Africa | Rwanda | February 2023 | |
| 51 | Asia | Philippines | February 2023 | |
| 52 | Americas | Haiti | March 2023 | |
| 53 | Americas | Ecuador | March 2023 | |
| 54 | Americas | El Salvador | April 2023 | |
| 55 | Americas | Panama | May 2023 | |
| 56 | Africa | Mozambique | June 2023 | |
| 57 | Americas | Trinidad and Tobago | June 2023 | |
| 58 | Europe | Cyprus | July 2023 | |
| 59 | Americas | Guatemala | July 2023 | |
| 60 | Africa | Kenya | July 2023 | |
| 61 | Asia | Malaysia | July 2023 | |
| 62 | Africa | Malawi | July 2023 | |
| 63 | Americas | Bahamas | August 2023 | |
| 64 | Africa | Zambia | October 2023 | |
| 65 | Europe | Georgia | November 2023 | |
| 66 | Africa | Benin | November 2023 | |
| 67 | Asia | Maldives | November 2023 | |
| 68 | Americas | Costa Rica | November 2023 | |
| 69 | Americas | Honduras | December 2023 | |
| 70 | Africa | Eswatini | December 2023 | |
| 71 | Americas | Paraguay | December 2023 | |
| 72 | Asia | Mongolia | March 2024 | |
| 73 | Americas | Argentina | March 2024 | |
| 74 | Europe | Albania | April 2024 | |
| 75 | Oceania | Micronesia | April 2024 | |
| 76 | Americas | Uruguay | May 2024 | |
| 77 | Asia | Indonesia | May 2024 | |
| 78 | Oceania | Fiji | May 2024 | |
| 79 | Africa | Sierra Leone | June 2024 | |
| 80 | Africa | Madagascar | June 2024 | |
| 81 | Oceania | Tonga | August 2024 | |
| 82 | Africa | South Sudan | August 2024 | |
| 83 | Africa | Botswana | August 2024 | |
| 84 | Africa | Ghana | August 2024 | |
| 85 | Oceania | Solomon Islands | September 2024 | |
| 86 | Africa | Zimbabwe | September 2024 | |
| 87 | Middle East | Yemen | September 2024 | |
| 88 | Africa | Burundi | September 2024 | |
| 89 | Oceania | Samoa | October 2024 | |
| 90 | Oceania | Vanuatu | October 2024 | |
| 91 | Middle East | Qatar | October 2024 | |
| 92 | Africa | Cape Verde | December 2024 | |
| 93 | Asia | Timor-Leste | December 2024 | |
| 94 | Oceania | Nauru | December 2024 | |
| 95 | Europe | Kosovo | December 2024 | |
| 96 | Africa | Liberia | January 2025 | |
| 97 | Oceania | Tuvalu | January 2025 | |
| 98 | Asia | Bhutan | February 2025 | |
| 99 | Africa | Niger | March 2025 | |

## Technology
### Satellite hardware

The internet communication satellites were expected to be smallsats, 100 to 500 kg (220 to 1,100 lb) in mass, and were intended to be in low Earth orbit (LEO) at an altitude of approximately 1,100 km (680 mi), according to early public releases of information in 2015. The first significant deployment of 60 satellites was in May 2019, with each satellite weighing 227 kg (500 lb). SpaceX decided to place the satellites at a relatively low 550 km (340 mi) due to concerns associated with space debris from failures or low fuel in the space environment, as well as letting them use fewer satellites than what was initially needed. Initial plans as of January 2015 were for the constellation to be made up of approximately 4,000 cross-linked satellites, more than twice as many operational satellites as were in orbit in January 2015.
The satellites employ optical inter-satellite links and phased array beam-forming and digital processing technologies in the Ku and Ka microwave bands (super high frequency [SHF] to extremely high frequency [EHF]), according to documents filed with the U.S. FCC. While specifics of the phased array technologies have been disclosed as part of the frequency application, SpaceX enforced confidentiality regarding details of the optical inter-satellite links. Early satellites were launched without laser links. The inter-satellite laser links were successfully tested in late 2020.
The satellites are mass-produced, at a much lower cost per unit of capability than previously existing satellites. Musk said, "We're going to try and do for satellites what we've done for rockets." "In order to revolutionize space, we have to address both satellites and rockets." "Smaller satellites are crucial to lowering the cost of space-based Internet and communications".
In February 2015, SpaceX asked the FCC to consider future innovative uses of the Ka-band spectrum before the FCC commits to 5G communications regulations that would create barriers to entry, since SpaceX is a new entrant to the satellite communications market. The SpaceX non-geostationary orbit communications satellite constellation will operate in the high-frequency bands above 24 GHz, "where steerable Earth station transmit antennas would have a wider geographic impact, and significantly lower satellite altitudes magnify the impact of aggregate interference from terrestrial transmissions".
Internet traffic via a geostationary satellite has a minimum theoretical round-trip latency of at least 477 milliseconds (ms; between user and ground gateway), but in practice, current satellites have latencies of 600 ms or more. Starlink satellites are orbiting at 1⁄105 to 1⁄30 of the height of geostationary orbits, and thus offer more practical Earth-to-satellite latencies of around 25 to 35 ms, comparable to existing cable and fiber networks. The system uses a peer-to-peer protocol claimed to be "simpler than IPv6"; it also incorporates native end-to-end encryption.
Starlink satellites use Hall-effect thrusters with krypton or argon gas as the reaction mass for orbit raising and station keeping. Krypton Hall thrusters tend to exhibit significantly higher erosion of the flow channel compared to a similar electric propulsion system operated with xenon, but krypton is much more abundant and has a lower market price. SpaceX claims that its 2nd generation thruster using argon has 2.4× the thrust and 1.5× the specific impulse of the krypton fueled thruster.

### User terminals

The Starlink system has multiple modes of connectivity including direct-to-cell capability as well as broadband satellite internet service. Direct-to-cell provides connectivity to unmodified cellular phones and is being offered globally in partnership with various national cellular service providers. Starlink's broadband internet service is accessed via flat user terminals the size of a pizza box, which have phased array antennas and track the satellites. The terminals can be mounted anywhere, as long as they can see the sky. This includes fast-moving objects like trains. Photographs of the customer antennas were first seen on the internet in June 2020, supporting earlier statements by SpaceX CEO Musk that the terminals would look like a "UFO on a stick. Starlink Terminal has motors to self-adjust optimal angle to view sky". The antenna is known internally as "Dishy McFlatface".
In October 2020, SpaceX launched a paid-for beta service in the U.S. called "Better Than Nothing Beta", charging $499 (equivalent to $578.8 in 2023) for a user terminal, with an expected service of "50 to 150 Mbit/s and latency from 20 to 40 ms over the next several months". From January 2021, the paid-for beta service was extended to other continents, starting with the United Kingdom.
A larger, high-performance version of the antenna is available for use with the Starlink Business service tier.
In September 2020, SpaceX applied for permission to put terminals on 10 of its ships with the expectation of entering the maritime market in the future.
In August 2022, and in response to an open invitation from SpaceX to have the terminal examined by the security community, security specialist Lennert Wouters presented several technical architecture details about the then-current starlink terminals: the main control unit of the dish is a STMicroelectronics custom designed chip code-named Catson which is a quad-core ARM Cortex-A53-based control processor running the Linux kernel and booted using U-Boot. The main processor uses several other custom chips such as a digital beam former named Shiraz and a front-end module named Pulsarad. The main control unit controls an array of digital beamformers. Each beamformer controls 16 front-end modules. In addition the terminal has a GPS receiver, motor controllers, synchronous clock generation and Power over Ethernet circuits, all manufactured by STMicroelectronics.
In June 2024, a portable user terminal dubbed "Starlink Mini" was announced to be imminently available. The Mini supports 100 Mbit/s of download speed and will fit in a backpack. Initial rollout was in Latin America at a $200 price point.

### Ground stations

SpaceX has made applications to the FCC for at least 32 ground stations in United States, and as of July 2020 has approvals for five of them (in five states). Until February 2023, Starlink used the Ka-band to connect with ground stations. With the launch of v2 Mini, frequencies were added in the 71–86 GHz W band (or E band waveguide) range.
A typical ground station has nine 2.86 m (9.4 ft) antennas in a 400 m$^2$ (4,306 sq ft) fenced in area.
According to their filing, SpaceX's ground stations would also be installed on-site at Google data-centers world-wide.

### Satellite revisions
#### MicroSat

MicroSat-1a and MicroSat-1b were originally slated to be launched into 625 km (388 mi) circular orbits at approximately 86.4° inclination, and to include panchromatic video imager cameras to film images of Earth and the satellite. The two satellites, "MicroSat-1a" and "MicroSat-1b" were meant to be launched together as secondary payloads on one of the Iridium NEXT flights, but they were instead used for ground-based tests.

#### Tintin

At the time of the June 2015 announcement, SpaceX had stated plans to launch the first two demonstration satellites in 2016, but the target date was subsequently moved out to 2018. SpaceX began flight testing their satellite technologies in 2018 with the launch of two test satellites. The two identical satellites were called MicroSat-2a and MicroSat-2b during development but were renamed Tintin A and Tintin B upon orbital deployment on February 22, 2018. The satellites were launched by a Falcon 9 rocket, and they were piggy-pack payloads launching with the Paz satellite.
Tintin A and B were inserted into a 514 km (319 mi) orbit. Per FCC filings, they were intended to raise themselves to a 1,125 km (699 mi) orbit, the operational altitude for Starlink LEO satellites per the earliest regulatory filings, but stayed close to their original orbits. SpaceX announced in November 2018 that they would like to operate an initial shell of about 1600 satellites in the constellation at about 550 km (340 mi) orbital altitude, at an altitude similar to the orbits Tintin A and B stayed in.
The satellites orbit in a circular low Earth orbit at about 500 km (310 mi) altitude in a high-inclination orbit for a planned six to twelve-month duration. The satellites communicate with three testing ground stations in Washington State and California for short-term experiments of less than ten minutes duration, roughly daily.

#### v0.9 (test)

The 60 Starlink v0.9 satellites, launched in May 2019, had the following characteristics:
* Flat-panel design with multiple high-throughput antennas and a single solar array
* Mass: 227 kg (500 lb)
* Hall-effect thrusters using krypton as the reaction mass, for position adjustment on orbit, altitude maintenance, and deorbit
* Star tracker navigation system for precision pointing
* Able to use U.S. Department of Defense-provided debris data to autonomously avoid collision
* Altitude of 550 km (340 mi)
* 95% of "all components of this design will quickly burn in Earth's atmosphere at the end of each satellite's lifecycle".

#### v1.0 (operational)

The Starlink v1.0 satellites, launched since November 2019, have the following additional characteristics:
* 100% of all components of this design will completely demise, or burn up, in Earth's atmosphere at the end of each satellite's life.
* K$_a$-band added
* Mass: 260 kg (570 lb)
* One of them, numbered 1130 and called DarkSat, had its albedo reduced using a special coating but the method was abandoned due to thermal issues and IR reflectivity.
* All satellites launched since the ninth launch at August 2020 have visors to block sunlight from reflecting from parts of the satellite to reduce its albedo further.

#### v1.5 (operational)

The Starlink v1.5 satellites, launched since January 24, 2021, have the following additional characteristics:
* Lasers for inter-satellite communication
* Mass: ~295 kg (650 lb)
* Visors that blocked sunlight were removed from satellites launched from September 2021 onwards.

#### Starshield (operational)

These are satellites buses with two solar arrays derived from Starlink v1.5 and v2.0 for military use and can host classified government or military payloads.

#### v2 (initial deployment)

SpaceX was preparing for the production of Starlink v2 satellites by early 2021. According to Musk, Starlink v2 satellites will be "…an order of magnitude better than Starlink 1" in terms of communications bandwidth.
SpaceX hoped to begin launching Starlink v2 in 2022. As of May 2022, SpaceX had said publicly that the satellites of second-generation (Gen2) constellation would need to be launched on Starship, as they are too large to fit inside a Falcon 9 fairing. However, in August 2022, SpaceX made formal regulatory filings with the FCC that indicated they would build satellites of the second-generation (Gen2) constellation in two different, but technically identical, form factors: one with the physical structures tailored to launching on Falcon 9, and one tailored for the launching on Starship. Starlink v2 is both larger and heavier than Starlink v1 satellites.
Starlink second-generation satellites planned for launch on Starship have the following characteristics:
* Lasers for inter-satellite communication
* Mass: ~1,250 kg (2,760 lb)
* Length: ~7 m (23 ft)
* Further improvements to reduce its brightness, including the use of a dielectric mirror film.
* On 2,016 of the initially licensed 7,500 satellites: Gen2 Starlink satellites will also include an approximately 25 square meter antenna that would allow T-Mobile subscribers to be able to communicate directly via satellite through their regular mobile devices. It will be implemented via a German-licensed hosted payload developed together with SpaceX's subsidiary Swarm Technologies and T-Mobile. This hardware is supplemental to the existing K$_u$-band and K$_a$-band systems, and inter-satellite laser links, that have been on the first generation satellites launching as of mid-2022.
In October 2022, SpaceX revealed the configuration of early v2s to be launched on Falcon 9. In May 2023, SpaceX introduced two more form factors with direct-to-cellular (DtC) capability.
* Bus F9-1, 303 kg (668 lbs) mass, having roughly the same dimensions and mass as V1.5 satellites. Deployed in Group 5 (see constellation design section).
* Bus F9-2 (typically called "v2 mini"), up to 800 kg (1,764 lbs) mass and measuring 4.1 m (13 ft) by 2.7 m (8 ft 10 in) with a total array of 120 m$^2$ (1,300 sq ft). The Solar arrays are 2 in number. It could offer around 3–4 times more usable bandwidth per satellite. They are smaller than Starlink's original ones (and so can be launched on Falcon 9) and have four times the capacity to the ground station to increase speed and capacity. This is due to a more efficient array of antennas and the use of radio frequencies in the W band (E band waveguide) range. They were deployed in Groups 6 and 7 (see constellation design section).
* Bus F9-3, F9-2 with direct-to-cellular capability. The bus length increased to 7.4 m (24 ft). Mass increased to 970 kg (2,152 lbs). Deployed in Group 7 (see constellation design section).
* Bus Starship-1 (planned), 2000 kg (4,409 lbs) mass and measuring 6.4 m (21 ft) by 2.7 m (8 ft 10 in) with a total array of 257 m$^2$ (2,770 sq ft).
* Bus Starship-2 (planned), Starship-1 with direct-to-cellular capability. The bus length increased to 10.1 m (33 ft).
The first six F9-3 satellites with direct-to-cellular (DtC) capability were launched on January 2, 2024, in Groups 7–9.
| Name | Component | Length (m) | Width (m) | Number | Area (m$^2$) | Debris Assessment Software (DAS) Area (m$^2$) | DAS Mass (kg) |
| F9-1 (v1.5) | Solar Array | 8.1 | 2.8 | 1 | 22.68 | | |
| F9-1 (v1.5) | Bus | 2.8 | 1.3 | 1 | 3.64 | | |
| F9-1 (v1.5) | Total | | | | 26.32 | 30 | 303 |
| F9-2 (v2 mini) | Solar Array | 12.8 | 4.1 | 2 | 104.96 | | |
| F9-2 (v2 mini) | Bus | 4.1 | 2.7 | 1 | 11.07 | | |
| F9-2 (v2 mini) | Total | | | | 116.03 | 120 | 800 |
| F9-3 (v2 mini with DtC) | Solar Array | 12.8 | 4.1 | 2 | 105 | | |
| F9-3 (v2 mini with DtC) | Bus | 7.4 | 2.7 | 1 | 20 | | |
| F9-3 (v2 mini with DtC) | Total | | | | 125 | 130 | 970 |
| Starship-1 (v2) | Solar Array | 20.2 | 6.36 | 2 | 256.94 | | |
| Starship-1 (v2) | Bus | 6.4 | 2.7 | 1 | 17.28 | | |
| Starship-1 (v2) | Total | | | | 274.22 | 294 | 2000 |
| Starship-2 (v2 with DtC) | Solar Array | 20.2 | 6.36 | 2 | 256.94 | | |
| Starship-2 (v2 with DtC) | Bus | 10.1 | 2.7 | 1 | 27.27 | | |
| Starship-2 (v2 with DtC) | Total | | | | 284.21 | 294 | 2000 |

## Launches

Between February 2018 and May 2024, SpaceX successfully launched over 6,000 Starlink satellites into orbit, including prototypes and satellites that later failed or were de-orbited before entering operational service. In March 2020, SpaceX reported producing six satellites per day.
The deployment of the first 1,440 satellites was planned in 72 orbital planes of 20 satellites each, with a requested lower minimum elevation angle of beams to improve reception: 25° rather than the 40° of the other two orbital shells.$^{:17}$ SpaceX launched the first 60 satellites of the constellation in May 2019 into a 550 km (340 mi) orbit and expected up to six launches in 2019 at that time, with 720 satellites (12 × 60) for continuous coverage in 2020.
Starlink satellites are also planned to launch on Starship, an under-development rocket of SpaceX with a much larger payload capability. The initial announcement included plans to launch 400 Starlink (version 1.0) satellites at a time. Current plans now call for Starship to be the only launch vehicle to be used to launch the much larger Starlink version 2.0.

### Constellation design and status

In March 2017, SpaceX filed plans with the FCC to field a second orbital shell of more than 7,500 "V-band satellites in non-geosynchronous orbits to provide communications services" in an electromagnetic spectrum that has not previously been heavily employed for commercial communications services. Called the "Very-low Earth orbit (VLEO) constellation", it was to have comprised 7,518 satellites that were to orbit at just 340 km (210 mi) altitude, while the smaller, originally planned group of 4,425 satellites would operate in the K$_a$- and K$_u$-bands and orbit at 1,200 km (750 mi) altitude. By 2022, SpaceX had withdrawn plans to field the 7,518-satellite V-band system, superseding it with a more comprehensive design for a second-generation (Gen2) Starlink network.
In November 2018, SpaceX received U.S. regulatory approval to deploy 7,518 V-band broadband satellites, in addition to the 4,425 approved earlier; however, the V-band plans were subsequently withdrawn by 2022. At the same time, SpaceX also made new regulatory filings with the U.S. FCC to request the ability to alter its previously granted license in order to operate approximately 1,600 of the 4,425 Ka-/Ku-band satellites approved for operation at 1,150 km (710 mi) in a "new lower shell of the constellation" at only 550 km (340 mi) orbital altitude. These satellites would effectively operate in a third orbital shell, a 550 km (340 mi) orbit, while the higher and lower orbits at approximately 1,200 km (750 mi) and approximately 340 km (210 mi) would be used only later, once a considerably larger deployment of satellites becomes possible in the later years of the deployment process. The FCC approved the request in April 2019, giving approval to place nearly 12,000 satellites in three orbital shells: initially approximately 1,600 in a 550 km (340 mi) – altitude shell, and subsequently placing approximately 2,800 Ku- and Ka-band spectrum satellites at 1,150 km (710 mi) and approximately 7,500 V-band satellites at 340 km (210 mi). In total, nearly 12,000 satellites were planned to be deployed, with (as of 2019) a possible later extension to 42,000.
In February 2019, a sister company of SpaceX, SpaceX Services Incorporated, filed a request with the FCC to receive a license for the operation of up to a million fixed satellite Earth stations that would communicate with its non-geostationary orbit (NGSO) satellite Starlink system.
In June 2019, SpaceX applied to the FCC for a license to test up to 270 ground terminals – 70 nationwide across the United States and 200 in Washington state at SpaceX employee homes – and aircraft-borne antenna operation from four distributed United States airfields; as well as five ground-to-ground test locations.
On October 15, 2019, the United States FCC submitted filings to the International Telecommunication Union (ITU) on SpaceX's behalf to arrange spectrum for 30,000 additional Starlink satellites to supplement the 12,000 Starlink satellites already approved by the FCC. That month, Musk publicly tested the Starlink network by using an Internet connection routed through the network to post a first tweet to social media site Twitter.

#### First generation

The chart below contains all v0.9 and first generation satellites (Tintin A and Tintin B, as test satellites, are not included).
| Group designation | Orbital shells | Orbital shells | Orbital planes | Orbital planes | Orbital planes | Committed completion date | Committed completion date | Deployed satellites November 4, 2023 | Deployed satellites November 4, 2023 | Deployed satellites November 4, 2023 |
| Group designation | Altitude (km) | Authorized satellites | Incli­nation | Count | Satellites per | Half | Full | Active | Decaying/ deorbited | Satellites needed for completion |
| Group 1 | 550 km (340 mi) | 1,584 | 53.05° | 72 | 22 | March 2024 (goal) August 1, 2022 (achieved) | March 2027 | 1,294 | 432 | 290 |
| Group 2 | 570 km (350 mi) | 720 | 70° | 36 | 20 | March 2024 (goal) August 1, 2022 (achieved) | March 2027 | 397 | 11 | 323 |
| Group 3 | 560 km (350 mi) | 348 | 97.6° | 6 | 58 | March 2024 (goal) August 1, 2022 (achieved) | March 2027 | 233 | 10 | 115 |
| Group 4 | 540 km (340 mi) | 1,584 | 53.22° | 72 | 22 | March 2024 (goal) August 1, 2022 (achieved) | March 2027 | 1,530 | 107 | 54 |
| | 560 km (350 mi) | 172 | 97.6° | 4 | 43 | March 2024 (goal) August 1, 2022 (achieved) | March 2027 | 0 | 0 | 172 |
* 1 2 Starlink uses the words "customers", "subscribers", and "people" without providing the definitions
* ↑ SpaceX posted the stats twice in December, first reporting 2.2 million "customers" and later 2.3 million "people".
Early designs had all phase 1 satellites in altitudes of around 1,100–1,300 km (680–810 mi). SpaceX initially requested to lower the first 1584 satellites, and in April 2020 requested to lower all other higher satellite orbits to about 550 km (340 mi). In April 2020, SpaceX modified the architecture of the Starlink network. SpaceX submitted an application to the FCC proposing to operate more satellites in lower orbits in the first phase than the FCC previously authorized. The first phase will still include 1,440 satellites in the first shell orbiting at 550 km (340 mi) in planes inclined 53.0°, with no change to the first shell of the constellation launched largely in 2020. SpaceX also applied in the United States for use of the E-band in their constellation The FCC approved the application in April 2021.
On January 24, 2021 SpaceX released a new group of 10 Starlink satellites, the first Starlink satellites in polar orbits. The launch surpassed ISRO's record of launching the most satellites in one mission (143), taking to 1,025 the cumulative number of satellites deployed for Starlink to that date.
On February 3, 2022, 49 satellites were launched as Starlink Group 4–7. A G2-rated geomagnetic storm occurred on February 4, caused the atmosphere to warm and density at the low deployment altitudes to increase. Predictions were that up to 40 of the 49 satellites might be lost due to drag. After the event, 38 satellites reentered the atmosphere by February 12 while the remaining 11 were able to raise their orbits and avoid loss due to the storm.
In March 2023, SpaceX submitted an application to add V-band payload to the second generation satellites rather than fly phase 2 V-band satellites as originally planned and authorized. The request is subject to FCC approval.

#### Second Generation

| Group designation | Orbital shells | Orbital shells | Orbital shells | Orbital planes | Orbital planes | Orbital planes | Committed completion date | Committed completion date | Deployed satellites November 9, 2024 | Deployed satellites November 9, 2024 | Deployed satellites November 9, 2024 |
| Group designation | Nominal altitude | Actual altitude | Planned satellites | Incli­nation | Count | Satellites per | Half | Full | Active | Decaying/ deorbited | Satellites needed for completion |
| Group 5 | 530 km (330 mi) | 559 km (347 mi) | 2,500 | 43° | 28 | 120 | December 1, 2028 | December 1, 2031 | 699 | 12 | 470 |
| Group 6 | 530 km (330 mi) | 488, 559 km (303, 347 mi) | 2,500 | 43° | 28 | 120 | December 1, 2028 | December 1, 2031 | 1,410 | 84 | 470 |
| Group 7 | 525 km (326 mi) | 482, 510, 549 km (300, 317, 341 mi) | 2,500 | 53° | 28 | 120 | December 1, 2028 | December 1, 2031 | 431 | 2 | 2,111 |
| Group 8 | 535 km (332 mi) | 535 km (332 mi) | 2,500 | 53° | 28 | 120 | December 1, 2028 | December 1, 2031 | 225 | 0 | 2,358 |
| Group 9 | 535 km (332 mi) | | | 53° | | | | | 223 | 20 | |
| Group 10 | 279 km (173 mi) | | | 53° | | | | | 249 | | |
| Group 11 | 535 km (332 mi) | | | 53° | | | | | 23 | | |
| Group 12 | 559 km (347 mi) | | | 43° | | | | | 23 | | |
| Group 13 | 559 km (347 mi) | | | 43° | | | | | 21 | |
* ↑ SpaceX abandoned configuration 2 proposed in the amendment
* ↑ The satellites can be deployed -50 km (30 miles) and +70 km (40 miles) (max 580 km; 360 miles) relative to the nominal altitude
* 1 2 3 The FCC limited phase 1 to 7,500 satellites across 3 shells.
With the unknown of when Starship will be able to launch the second generation satellites, SpaceX modified the original V2 blueprint into a smaller, more compact one named "v2 mini". This adjustment allowed Falcon 9 to transport these satellites, though not as many, into orbit. The first set of 21 of these satellites was launched on February 27, 2023. SpaceX committed to reducing debris by keeping the Starlink tension rods, which hold the V2 mini-satellites together, attached to the Falcon 9 second stage. These tension rods were discarded into orbit while launching earlier versions of Starlink satellites. Observations confirm these V2 mini-satellites host two solar panels like the Starship V2 satellites.
SpaceX planned to test the deployment system for a new version of their Starlink satellites. On 16 January 2025, S33 was also expected to deploy ten Starlink "simulators," which were also expected to reenter over the Indian Ocean. Contact with S33 was lost shortly before its engines were scheduled to shut down.

## Impact on astronomy

The planned large number of satellites has been met with criticism from the astronomical community because of concerns over light pollution. Astronomers claim that their brightness in both optical and radio wavelengths will severely impact scientific observations. While astronomers can schedule observations to avoid pointing where satellites currently orbit, it is "getting more difficult" as more satellites come online. The International Astronomical Union (IAU), National Radio Astronomy Observatory (NRAO), and Square Kilometre Array Organization (SKAO) have released official statements expressing concern on the matter. Recent studies have proved that the "unintended electromagnetic radiation" affects radio telescopes creating distortions and excessive noise and the IAU Centre for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference was created to manage these new man-made obstacles to space exploration.

### Visible optical interference

On November 20, 2019, the four-meter (13') Blanco telescope of the Cerro Tololo Inter-American Observatory (CTIO) recorded strong signal loss and the appearance of 19 white lines on a DECam shot (right image). This image noise was correlated to the transit of a Starlink satellite train, launched a week earlier.
SpaceX representatives and Musk have claimed that the satellites will have minimal impact, being easily mitigated by pixel masking and image stacking. However, professional astronomers have disputed these claims based on initial observation of the Starlink v0.9 satellites on the first launch, shortly after their deployment from the launch vehicle. In later statements on Twitter, Musk stated that SpaceX will work on reducing the albedo of the satellites and will provide on-demand orientation adjustments for astronomical experiments, if necessary. One Starlink satellite (Starlink 1130 / DarkSat) launched with an experimental coating to reduce its albedo. The reduction in g-band magnitude is 0.8 magnitude (55%). Despite these measures, astronomers found that the satellites were still too bright, thus making DarkSat essentially a "dead end".
On April 17, 2020, SpaceX wrote in an FCC filing that it would test new methods of mitigating light pollution, and also provide access to satellite tracking data for astronomers to "better coordinate their observations with our satellites". On April 27, 2020, Musk announced that the company would introduce a new sunshade designed to reduce the brightness of Starlink satellites. As of 15 October 2020, over 200 Starlink satellites had a sunshade. An October 2020 analysis found them to be only marginally fainter than DarkSat. A January 2021 study pinned the brightness at 31% of the original design.
According to a May 2021 study, "A large number of fast-moving transmitting stations (i.e. satellites) will cause further interference. New analysis methods could mitigate some of these effects, but data loss is inevitable, increasing the time needed for each study and limiting the overall amount of science done".
In February 2022, the International Astronomical Union (IAU) established a center to help astronomers deal with the adverse effects of satellite constellations such as Starlink. Work will include the development of software tools for astronomers, advancement of national and international policies, community outreach and work with industry on relevant technologies.
In June 2022, the IAU released a website for astronomers to deal with some adverse effects via satellite tracking. This will enable astronomers to be able to track satellites to be able to avoid and time them for minimal impact on current work.
The first batch of Generation 2 spacecraft was launched in February 2023. These satellites are referred to as "Mini" because they are smaller than the full-sized Gen 2 spacecraft that will come later. SpaceX uses brightness mitigation for Gen 2 that includes a mirror-like surface which reflects sunlight back into space and they orient the solar panels so that observers on the ground only see the dark sides. The Minis are fainter than Gen 1 spacecraft despite being four times as large according to an observational study published in June 2023. They are 44% as bright as VisorSats, 24% compared to V1.5 and 19% compared to the original design which had no brightness mitigation.$^{:Table3}$ Minis appear 12 times brighter before they reach the target orbit.

### Radio interference

In October 2023, research published in "Astronomy and Astrophysics Letters" had reportedly found that Starlink satellites were "leaking radio signals" finding that at the site of the future Square Kilometer Array, radio emissions from Starlink satellites were brighter than any natural source in the sky. The paper concluded that these emissions will be "detrimental to key SKA science goals without future mitigation".

## Increased risk of satellite collision

The large number of satellites employed by Starlink may create the long-term danger of space debris resulting from placing thousands of satellites in orbit and the risk of causing a satellite collision, potentially triggering a cascade phenomenon known as Kessler syndrome. SpaceX has said that most of the satellites are launched at a lower altitude, and failed satellites are expected to deorbit within five years without propulsion.
Early in the program, a near-miss occurred when SpaceX did not move a satellite that had a 1 in 1,000 chance of colliding with a European one, ten times higher than the ESA's threshold for avoidance maneuvers. SpaceX subsequently fixed an issue with its paging system that had disrupted emails between the ESA and SpaceX. The ESA said it plans to invest in technologies to automate satellite collision avoidance maneuvers. In 2021, Chinese authorities lodged a complaint with the United Nations, saying their space station had performed evasive maneuvers that year to avoid Starlink satellites. In the document, Chinese delegates said that the continuously maneuvering Starlink satellites posed a risk of collision, and two close encounters with the satellites in July and October constituted dangers to the life or health of astronauts aboard the Chinese Tiangong space station.
All these reported issues, plus current plans for the extension of the constellation, motivated a formal letter from the National Telecommunications and Information Administration (NTIA) on behalf of NASA and the NSF, submitted to the FCC on February 8, 2022, warning about the potential impact on low Earth orbit, increased collision risk, impact on science missions, rocket launches, International Space Station and radio frequencies.
SpaceX satellites will maneuver if the probability of collision is greater than 10$^{−5}$ (1 in 100,000 chance of collision), as opposed to the industry standard of 10$^{−4}$ (1 in 10,000 chance of collision). SpaceX has budgeted sufficient propellant to accommodate approximately 5,000 propulsive maneuvers over the life of a Gen2 satellite, including a budget of approximately 350 collision avoidance maneuvers per satellite over that time period.
As of May 2022, the average Starlink satellite had conducted fewer than three collision-avoidance maneuvers over the 6 preceding months. Over 1,700 out of 6,873 maneuvers were performed to avoid Kosmos 1408 debris.

## Competition and market effects

In addition to the OneWeb constellation, announced nearly concurrently with the SpaceX constellation, a 2015 proposal from Samsung outlined a 4,600-satellite constellation orbiting at 1,400 km (870 mi) that could provide a zettabyte per month capacity worldwide, an equivalent of 200 gigabytes per month for 5 billion users of Internet data, but by 2020, no more public information had been released about the Samsung constellation. Telesat announced a smaller 117 satellite constellation in 2015 with plans to deliver initial service in 2021. Amazon announced a large broadband internet satellite constellation in April 2019, planning to launch 3,236 satellites in the next decade in what the company calls "Project Kuiper", a satellite constellation that will work in concert with Amazon's previously announced large network of twelve satellite ground station facilities (the "AWS ground station unit") announced in November 2018.
In February 2015, financial analysts questioned established geosynchronous orbit communications satellite fleet operators as to how they intended to respond to the competitive threat of SpaceX and OneWeb LEO communication satellites. In October 2015, SpaceX President Gwynne Shotwell indicated that while development continues, the business case for the long-term rollout of an operational satellite network was still in an early phase.
By October 2017, the expectation for large increases in satellite network capacity from emerging lower-altitude broadband constellations caused market players to cancel some planned investments in new geosynchronous orbit broadband communications satellites.
SpaceX was challenged regarding Starlink in February 2021 when the National Rural Electric Cooperative Association (NRECA), a political interest group representing traditional rural internet service providers, urged the U.S. Federal Communications Commission (FCC) to "actively, and aggressively, and thoughtfully vet" the subsidy applications of SpaceX and other broadband providers. At the time, SpaceX had provisionally won $886 million for a commitment to provide service to approximately 643,000 locations in 35 states as part of the Rural Digital Opportunity Fund (RDOF). The NRECA criticisms included that the funding allocation to Starlink would include service to locations—such as Harlem and terminals at Newark Liberty International Airport and Miami International Airport—that are not rural, and because SpaceX was planning to build the infrastructure and serve any customers who request service with or without the FCC subsidy. Additionally, Jim Matheson, chief executive officer of the NRECA voiced concern about technologies that had not yet been proven to meet the high speeds required for the award category. Starlink was specifically criticized for being still in beta testing and for unproven technology.
While Starlink is deployed worldwide, it has encountered trademark conflicts in some countries such as Mexico and Ukraine.

### Similar or competitive systems

* AST SpaceMobile – a satellite-to-mobile-phone satellite constellation working with large mobile network operators such as Vodafone, AT&T, Orange, Rakuten, Telestra, Telefónica, etc. with the objective to provide broadband internet coverage to existing unmodified mobile phones
* China national satellite internet project – a planned satellite internet offering for the Chinese market.
* Globalstar – an operational low Earth orbit (LEO) satellite constellation for satellite phone and low-speed data communications, covering most of the world's landmass
* Hughes Network Systems – a broadband satellite provider providing fixed, cellular backhaul, and airborne antennas.
* Iridium – an operational constellation of 66 cross-linked satellites in a polar orbit, used to provide satellite phone and low-speed data services over the entire surface of Earth
* Inmarsat – a satellite based nautical distress network for transmitting telex, fax, and other text messages since 1979 – typically used in nautical scenarios and disaster scenarios
* Kuiper Systems – a planned 3,276 LEO satellite Internet constellation by an Amazon subsidiary.
* Lynk Global – a satellite-to-mobile-phone satellite constellation with the objective to coverage to traditional low-cost mobile devices
* O3b and O3b mPOWER – medium Earth orbit constellations that provide maritime, aviation and military connectivity, and cellular backhaul; coverage between latitudes 50°N and 50°S.
* OneWeb satellite constellation – a satellite constellation project that began operational deployment of satellites in 2020.
* Orbcomm – an operational constellation used to provide global asset monitoring and messaging services from its constellation of 29 LEO communications satellites orbiting at 775 km (480 miles)
* Teledesic – a former (1990s) venture to accomplish broadband satellite internet services
* Viasat, Inc. – a broadband satellite provider providing fixed, ground mobile, and airborne antennas.