Qo'noS system

The Qo'noS system was an inhabited planetary system located in Klingon space within the Qo'noS sector of the Beta Quadrant. In an alternate reality, the system was located in the Omega Leonis sector block. In the 32nd century, the system was located in the Klingon Zone. 
Qo'noS was a unary star system consisting of a primary and at least three planets, including Qo'noS III. This planet was the homeworld of the Klingons and the capital planet of their empire. ( display graphic ; )
== Stellar Cartography ==
An NX-class starship could reach the system from Earth in four days at warp 4.5. ()
In 2257, the system's location was labeled on the star chart showing the trajectory of Lieutenant Spock's shuttle. ()
In 2258, the system's location was labeled on a star chart seen on the main viewscreen of the . ()
In 2259, the location of this system was labeled on a stellar cartography chart that was seen on the 's ready room viewscreen. This system's symbol was a red Klingon Empire logo, indicating its affiliation with the empire. The large size of the symbol indicated the system's status as the capital system of the empire. () 
In 2399, its location was labeled on a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters. () 
==Appendices==
===Background information===
The primary of the system was first seen in as the and approached Qo'noS. 
An alternate name for the system, the "Klingon system", was used by Kurn, in a cut scene from .
According to the display graphic from Star Trek Into Darkness the Qo'noS system was located in the Omega Leonis sector block. Omega Leonis is a real star 112 light years away from Earth. The Qo'noS system was presumably located closer to Earth than that, as the episode marked the first time a starship from Earth had traveled as far as ninety light years from the Sol system, and had already visited Qo'noS in the pilot episode of the series.
According to Star Trek: Star Charts (pp. 56 & 62) and Stellar Cartography: The Starfleet Reference Library ("Stellar Cartography" p. 30; "Federation Historical Highlights, 2161-2385"), in 2293, the rendezvoused with the Kronos One in the system. According to a map of the Klingon Empire – prepared by the Scribe K'Tark for the Klingon High Council in the Year of Kahless 893 (2266) – Qo'noS was identified as a Klingon system. In 2368, the system was on the front line of the Klingon Civil War. (The Star Trek: Star Charts (p. 56) stated Kling was an alternative name for Qo'noS.)
According to StarTrek.com, Star Trek Maps , and The Worlds of the Federation , the star was named "Klingon". 
===Apocrypha===
The star is called "K'lai Klinzhai" in FASA's The Klingons and "K'thar" in Decipher's Worlds.
According to the Starfleet Medical Reference Manual, the Klingon homeworld was the planet "Epsilon Sagittarii B". Epsilon Sagittarii is also a real star located 143 light years away from Earth.
According to Star Trek Maps (Charts A & C), the system had an orange binary star and five planets. The Klingon homeworld was the second planet in the system.
Star Trek Online also refers to this system as the Qo'noS system, and established that Praxis is one of Qo'noS' moons.
===External links===
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Category:Star systems
Category:Locations (alternate reality)