| Name |
Description |
| Tzenketh [1] |
Home world of the Tzenkethi [1] |
| Tyrus VIIa [2] |
Home of the Tyrus particle fountain [2] |
| Tyrus VII A [2] |
Tyran system [2] |
| Tyrellia [3] |
Federation planet with no atmosphere and no magnetic pole [3] |
| Tyree [4] |
Planet on which Sisko found the Orb of the Emissary [4] |
| Tyrannius Prime [5] |
Delta Quadrant planet where soldiers looked forward to spending free time centuries ago. [5] |
| Typerias [6] |
A planet in the Taurus reach. Typerias was a good distance from Starbase 47 (Vanguard); it took the Archer-class scout-ship USS Sagittarius six weeks to reach the station from Typerias, which Commodore Reyes considered to be a good time for the journey. [6] |
| Tycho IV [7] |
Home of the vampire cloud creature [7] |
| Ty' Gokor [8] |
Planetoid in asteroid field deep in Klingon space; new site of Klingon HQ [8] |
| Turkana IV [9] |
Tasha Yars birthplace; site of a failed Federation colony [9] |
| Turakus [5] |
Planet, now uninhabited, on which a group of civilians was massacred centuries ago. [5] |
| Troyius [10] |
Inhabited planet in the Tellun system, home to the Troyian species. [10]
In 2381 Troyius was one of the Alpha Quadrant planets targeted in the Borg attack. It was saved by the intervention of the USS da Vinci. [11] |
| Triskelion [12] |
M-24 Alpha system [12] |
| Trinay III [13] |
A Federation outpost in the Taurus reach. In 2265 the cargo department of Starbase 47 (Vanguard) lost a power generator marked for the Trinay III outpost, much to the annoyance of Chief Petty Officer Elizabeth Langlois. [13] |
| Trillius Prime [14] |
Planet visited by Ensign Mayweather prior to 2151. It took him three years to get there. This is possibly the above mentioned Trill home world. [14] |
| Trill home world [15] |
Class M planet, home of hte Trill species. May be called Trillius Prime. [15] |
| Triannon [16] |
Planet in the Delphic Expanse, located 6.3 light years from one of the spheres in the Muratas Star Cluster. [16] |
| Trialas IV [17] |
Planet in the Borderlands area. Arik Soong took a group of Augmented embryos to this world after stealing them from Cold Station 12 in the 2130s. [18] The NX-01 visited the planet in 2154. [17] |
| Triacus [19] |
Gorgan killed a Federation science team on this planet [19] |
| Trelkis Three [20] |
A planet known for having multi-centric rings. Mayweather always wanted to visit. [20] |
| Trelka V [21] |
A Cardassian planet, home of a Dominion base with 10,000 troops and an orbiting drydock. The base was the first target of General Martok's hit and run raid in 2375. One of his ships was destroyed in the battle. Martok commented that destroying the base would take half the Ninth Fleet. [21] |
| Tranome Sar [22] |
Site of a Klingon battle. [22] |
| Tracken II [23] |
In the Demilitarised Zone; Maquis colony [23] |
| Torros III [24] |
Location of Jem'Hadar space docks; destroyed by Federation forces at start of war. [24] |
| Torona IV [25] |
Home of the Jarada [25] |
| Torna IV [26] |
Planet somewhere in the vicinity of Deep Space Nine. Kor was on Torna IV when he boasted of finding the Shroud of the Sword whilst intoxicated. Toral overheard the boast and began to follow Kor in hopes of finding the Sword of Khaless. [26] |
| Torman V [27] |
Picard gained transport for Celtris III from this planet [27] |
| Torga IV [28] |
Gamma Quadrant; vast quantities of cormaline [28] |
| Toranius Prime [5] |
Popular vacation planet from Turakus [5] |
| Torad IV [29] |
Gamma Quadrant; a planet which has mysterious botanical specimens [29] |
| Tohvun III [30] |
Neutral planet on the Federation-Cardassian border [30] |
| Tkon [31] |
The founding world of a great interstellar empire, long collapsed. [32] |
| Titus IV [33] |
Miles O'Brien almost stepped on a Lycosa Tarantula here [33] |
| Titan [34] |
Moon of Saturn [34] |
| Timor II [35] |
Planet on which the Ferengi found large deposits of pergium. They opened a large mining facility there. [35] |
| Tilonus IV [36] |
Will Riker was brainwashed after being captured on an away mission here [36] |
| Tiburon [37] |
Zora carried out unethical experiments here [37] |
| Theta VIII [38] |
Final destination of the spacecraft Charybdis [38] |
| Theta VII [7] |
Planet which requested vaccines from the USS Enterprise. [7] |
| Theta Cygni XII [39] |
Planet struck by the Denevan Neural Parasites [39] |
| Thelka IV [40] |
Picard discovered an excellent dessert here [40] |
| The Wierd Planet [41] |
This Delta Quadrant world existed in a state of extreme temporal flux as a result of the subspace particle field produced by its tachyon core. The world had Gravimetric readings similar to that of a collapsed dwarf star. It also resembled a quasar in that it had a rate of rotation of approximately fifty eight revolutions per minute. The name was suggested by Naomi Wildman. Her initial suggestion was "The Weird Planet Where Time Moved Very Fast And So Did The People Who Lived There". Seven of Nine suggested a slightly more precise "The Weird Planet Displaced in Time". [41] |
| Thasus [42] |
Planet where Charlie Evans grew up [42] |
| Thanatos VII [43] |
A plasma conduit was manufactured here for the Enterprise-D [43] |
| Thalos VII [44] |
Coca beans are aged for four hundred years here [44] |
| Thalos VI [45] |
A planet on which Gaila was once arrested for vagrancy. [45] |
| Tethys III [46] |
Planet with a Hydrogen-Helium composition and a frozen core. It was located hundreds of light years away from the Paxan homeworld. [46] |
| Tessik Prime [47] |
Planet visited by the NX-01 Enterprise in 2152 about a month before visiting an alien repair station. [47] |
| Tessen III [48] |
Federation planet threatened by an asteroid in 2368. The Enterprise-D managed to destroy the asteroid. [48] |
| Tesnia [49] |
Home planet of the Tesnians. It's atmosphere contains Boron gas. [49] |
| Terra Nova [50] |
Earth's first extrasolar colony world, colonised sometime prior to 2076. [50] |
| Terosa Prime [51] |
Planet which Nidell and her husband Professor Gideon Seyetik visited 2367. Nidell almost died on the planet when she lost control of her telepathic abilities. [51] |
| Terlina III [52] |
Planet where Noonien Soongs laboratory was situated [53] |
| Teluridian IV [54] |
Alpha Quadrant planet [54] |
| Telsius Prime [55] |
Delta Quadrant planet, location of a bolomite mining facility. In 2376 a group of confidence tricksters masquerading as Voyager crewmembers stole ten kilotons of ore from the planet. [55] |
| Tellar [56] |
Home world of the Tellarite civilisation; within striking distance of Betazed [56] The NX-01 visited Tellar Prime in 2154. [57]
In 2381 Tellar was one of the Alpha Quadrant planets targeted in the Borg attack. The planet was devastated in the attack. [11] |
| Telfas prime [58] |
Delta Quadrant planet on which a mining community was located. [58] |
| Teerza Prime [59] |
Dr. Phlox's wife Kessil moved to this planet to be with her third husband. [59] |
| Tavela Minor [60] |
Planet nurse Ogawa considered takinga holiday on [60] |
| Taurus II [61] |
Class M planet located within the boundaries of the Quasar-like phenomenon of Murusaki-312. The planet was unexplored prior to 2267; in that year the shuttlecraft Galileo crash landed there whilst exploring Murusaki. The planet was home to a primitive species of very large furry humanoids, who proved to be very aggressive towards outsiders. [61] |
| Tau Cygna V [62] |
A Human colony was established here in violation of the Treaty of Armens. It was removed when the Sheliak decided to claim the planet in accordance with the treaty. [62] |
| Tau Ceti Prime [63] |
Site of tragic accident in 2358 that claimed the life of Admiral Janeway [63] |
| Tau Ceti III [64] |
Planet where Picard met Captain Keel for the first time in a rather exotic bar. [64] |
| Tau Alpha C [65] |
The Traveller's home world. [65] |
| Tartaras V [66] |
Vash decided to explore here [66] |
| Tarsus IV [67] |
Federation colony, site of the infamous massacre by Kodos the Executioner. [67] |
| Tarsas III [68] |
The planet which Starbase 74 orbits. [68] |
| Tarok [69] |
A class M moon in Kazon-Olga space. [69] |
| Tarod IX [70] |
Planet located near the Romulan Neutral Zone. [70] |
| Tarkalea [71] |
Home planet of the Tarkaleans. In 2152 T'Pol contacted Tarkalea to inform them of the loss of one of their transport ships. [71] |
| Taresia [72] |
Planet in the Delta Quadrant. Taresia is the third planet in the system and home planet of the Taresians. The system is subject to a blockade by the Nasari, and Voyager was attacked when it attempted to visit the planet in 2373. [72] |
| Tarella [73] |
Home of the Tarellians, who were all but destroyed in a biological war [73] |
| Tarchannen III [74] |
Crewmembers from the USS Victory were infected by alien DNA here [74] |
| Tarakis [5] |
Location of telepathic memorial [5] |
| Tanuga IV [75] |
Dr. Apgar worked on the Krieger Wave converter here [75] |
| Tantalus V [76] |
Federation penal colony [76] |
| Tandar Prime [77] |
Alpha Quadrant planet, home planet of the Tandarians. [77] |
| Tamaros III [13] |
A planet which was part of the Tamaros system, one of at least three in the system. In 124 BC the Nemite Revolution occurred on the planet. [13] |
| Tamaal [78] |
Planet which was home to a large trading outpost with over two million inhabitants. It was located in a binary star system. [78] |
| Talos IV [79] |
Home of the Talosians, one of the most powerful telepathic species [79] |
| Talax [80] |
Home of the Talaxians [80] |
| Talagos Prime [13] |
A Federation colony planet in the Taurus Reach. In 2265 the USS Bombay was going to transport Lieutenant Commander Stutzman to the colony on Talagos Prime so that he could rejoin the USS Endeavour when it arrived there. The Bombay never made the journey, as it was destroyed by the Tholians at Ravanar IV. [13] |
| Takara [81] |
Homeworld of the Takarans. [81] |
| Takar [82] |
Delta Quadrant. Second planet in system; Class M [82] |
| Tagus III [83] |
Planet with many archeological sites [83] |
| Tagra IV [84] |
Planet located in the Argolis Cluster. Tagra IV suffered from massive environmental contamination until the damage was repaired by Amanda Rogers. [84] |
| T'lli Beta [85] |
Destination of the Enterprise-D when it encountered 2 dimensional creatures [85] |
| T'Khut [11] |
A Vulcan planet, in 2381 T'Khut was one of the Alpha Quadrant planets targeted in the Borg attack. It was devastated in the attack. [11] |
| T' Lani Prime [86] |
Planet in the T'Lani system [86] |
| T' Lani III [86] |
Planet whose population was wiped out by a war involving weapons called Harvesters. [86] |
