Tau Ceti

Tau Ceti was an inhabited planetary system in the Alpha Quadrant. ( production art)
== History ==
The Tau Ceti Accords, which were established prior to 2152, were also associated with this location. They defined parameters between the Andorians and the Coridanites. ()
In 2155, in the mirror universe, Tau Ceti was the system in which the Terran Empire lost twelve ships in a battle against alien rebels. Propaganda had spread that this was a major victory for the Terran Empire, when in fact it was a sign they were losing. ()
When the universal translator on the malfunctioned, one of the many languages the system translated verbal and written displays into from Federation Standard was Tau Cetian. ()
Prior to stardate 5718, the , under the command of Captain James T. Kirk, engaged and defeated a Romulan vessel near Tau Ceti, using the Cochrane deceleration maneuver. ()
In Starfleet Academy's , in 2285, on Tau Ceti IV was named as the home port of the tanker/transport Kobayashi Maru. ()
In 2328, this was the home for the Tau Ceti Deep Space Station. ()
Sometime before 2348, Jean-Luc Picard first met Walker Keel at an exotic bar on Tau Ceti III. Sometime after this Keel introduced Jack R. Crusher to Beverly Howard. () 
In 2358, the father of Kathryn Janeway, Vice admiral , died under the polar ice cap of Tau Ceti Prime. ()
In 2370, Beverly Crusher, when trying to recall the name of the Traveler, she recalled to him as "you know that alien from Tau Ceti, the one who could control warp fields with his mind?" ()
== Stellar Cartography ==
The Tau Ceti system was visible from Earth in the constellation Cetus. This system was approximately 11.9 light years from Sol. 
In 2259, the location of this system was labeled on a stellar cartography chart that was seen on the 's ready room viewscreen. The system's symbol had a color, indicating that it was affiliated with the . ()
In 2293, the location of Tau Ceti in the Milky Way Galaxy was named in a star chart that was in Captain James T. Kirk's quarters aboard the . (, production art)
In 2364, the location of Tau Ceti was named in a star chart of a stellar neighborhood with Sol at the center. This chart was stored in the library computer. Later that year, the chart was scanned by Outpost 63. ( production art; )
In 2365, the location of Tau Ceti was labeled in a Subspace Comm Net Ops star chart, which was seen in the courtroom on Starbase 173. 
This star's system was connected to the Sol system by a subspace line. ()
In 2384, the position of Tau Ceti in a star chart was labeled on a conn panel of the bridge of the . ()
The system's location was labeled in a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters in 2399 and on the bridge of the in 2401. Tau Ceti was in or near to Federation space. ()
In 2401, the location of Tau Ceti was labeled on a star chart that was seen on the 's bridge viewscreen. The chart was used to show the location of the combined Starfleet-Borg armada and where it needed to go to face a galactic-level threat. ()
Later that year this system's position was labeled on a star chart used by Captain William T. Riker during his attempt at finding the last known location of the . ()
In 3190, the location of Tau Ceti was labeled on a star chart used by Commander Paul Stamets for tracking the movement of the Dark Matter Anomaly through the galaxy. ()
File:The Explored Galaxy.jpg|The location of Tau Ceti in "The Explored Galaxy" star chart (2293)
File:Spaceflight Chronology starchart 1.jpg|The location of Tau Ceti labeled on a star chart (2364)
File:DMA star chart 1.jpg|The location of Tau Ceti labeled on a star chart (3190)
== Appendices ==
=== Background information ===
Information on this system was derived from the episodes and films, from the reference works Star Trek: Star Charts and Stellar Cartography: The Starfleet Reference Library, and from real world sources. The reference works were used extensively in the creation of star charts seen in , , , , and . The real-world information added to the article was current as of 2025.
According to Star Trek: Star Charts (p. 44) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), the primary of the Kaferia (Tau Ceti) system was a G-class star. In the late 24th century, this was a Federation system, with Tau Ceti III listed as a member.
According to the , the Tau Ceti system was some eight light years from Sol.
=== Apocrypha ===
According to the Enterprise: The First Adventure, Tau Ceti was located along the Romulan Neutral Zone and the inhabitants of Tau Ceti II were widely regarded as possessing great mineralogical expertise, using sapphires as the local currency.
=== External links ===
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