Planets and planetoids

Planets and planetoids.

Table of Contents: 0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

0-9[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
113-IV (Regulus VIII, Fotialla)	class M planet	UFC-113	none	Regulus system, Beta Quadrant, coordinates 3.99S 2.81E, near Starbase 15
1440 Ophiuchi B V	thought to have been class M planet	1440 Ophiuchi B (1440 Ophiuchi)	none	near the Great Rift, near Federation space's boundaries, Ophiuchus constellation
1616 Ophiuchi VI	formerly inhabited by Infarret	1616 Ophiuchi		near the Great Rift, near Federation space's boundaries, Ophiuchus constellation
40 Eridani I
40 Eridani II
40 Eridani III
40 Eridani IV
40 Eridani V
40 Eridani VI
40 Eridani VII
492 Lyncis III (Hera)	class M planet	492 Lyncis		In or near Federation space, 1,217 light-years from Sol, Lynx constellation
522-IV
53 Aquilae III
53 Aquilae IV
53 Aquilae VI
61 Ursae Majoris IV
70 Ophiucus IV (Miri's homeworld)	class M planet	70 Ophiucus		In or near Federation space, 16.6 light-years from Sol, Ophiuchus constellation
7348-II	class M planet	System 7348		Near the border of Federation and Klingon space
78 Geminorum II
78 Geminorum IV
78 Geminorum V

A[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Aaamazzara (Therbia)	lifeform-supporting	Epsilon Serpentis		Federation space, Serpens constellation, Alpha Quadrant
Aalad III (K'Linsann, Patterson's Place)		Aalad		system coordinates 8.9S 6.7E
Abraxas IX		Abraxas
planet Abyss		Abyss Alpha
Academy
Acamar III
Achernar Prime		Achernar
Adelphus IV
planet Adhara		Adhara system
Adigeon Prime		Adigeon
planet Ahzdar
Ajilon Prime		Ajilon
Akladi
Akritiri
Al Rijil (Alpha Centauri VII, Centauri VII)	class M planet	Alpha Centauri		system coordinates 28.5, 52.8, 19.0 (1.27N 2.92W)
Alastria
Alaya II
Albegad
Albireo II (Beta Cygni II)	class M planet	Beta Cygni	one moon	system coordinates 3.27N 1.97W (Alpha Quadrant)
Aldea
Aldebaran III		Aldebaran
Aldebaran Magnus V		Aldebaran Magnus
Aldus Prime		Aldus
Aleph III		Aleph
Aleriad
Alfa 177
Algenib II		Algenib
Algeron III		Algeron
Algeron IV
Algol Prime		Algol
Algol II		Algol
Allanor
Alnath II		Alnath
Alondra		Palias XIV
Alonis
Alpha III	class L planet	Sirius	7 moons		ST reference: The Worlds of the Federation
Alpha V	gas giant	Sirius	29 moons		ST reference: The Worlds of the Federation
Alpha-441
Alpha Arietis IV (Hamal IV)		Alpha Arietis	Starbase 18
Alpha Carinae II
Alpha Carinae V
Alpha Centauri II (Behemoth)	gas giant	Alpha Centauri		system coordinates 28.5, 52.8, 19.0 (1.27N 2.92W)
Alpha Centauri IV (Centaurus)	class M planet	Alpha Centauri	Nykos, Tharon	system coordinates 28.5, 52.8, 19.0 (1.27N 2.92W)
Alpha Centauri V	class M planet	Alpha Centauri	two moons	system coordinates 28.5, 52.8, 19.0 (1.27N 2.92W)
Alpha Centauri VII (Al Rijil, Centauri VII)	class M planet	Alpha Centauri		system coordinates 28.5, 52.8, 19.0 (1.27N 2.92W)
Alpha Cygnus IX		Alpha Cygnus
Alpha Kiriki
Alpha Majoris I		Alpha Majoris	one moon
Alpha Mensa V		Alpha Mensa
Alpha Nexus I		Alpha Nexus
Alpha Omicron VII
Alpha Onias III	class M
Alpha Ortelina VII		Alpha Ortelina
Alpha Persei II		Alpha Persei
Alpha Prime XII		Alpha Prime
Alpha Proxima II		Alpha Proxima	7 moons
Alpha Sigma IX		Alpha Sigma
Alphax I		Alphax
Alphramick
Altair III		Altair
Altair IV		Altair
Altair VI		Altair
Althos IV		Althos
Altora
planet Amber
Amleth Prime	class M
Ammdon
Amniphon
Amrahan
Amusement Park planet
Ana'siuol
Anacontor
planet Anchor
Andevian II		Andevian
Andor		Epsilon Indi		system coordinates 25.8, 60.1, -2.4
Andoria		Epsilon Indi		system coordinates 25.8, 60.1, -2.4
planet Andros
Andros III		Andros system
Angel I	class M
Angosia III	class M
Anomaly
Antares A II		Antares A (Antares)
Antares B III	class L	Antares B (Antares)	none known	system coordinates 172.1, 118.9, -13.9
Antos IV		Antos
Antros III		Antros
Aplithin
AR-558
Aralsee II		Aralsee
Arbaza
Arcadia
Archanis IV
Archer IV		Archer system
Archer IX		Archer system
Archer's Planet
Arcturus IV		Arcturus
Ardana
Argelius II		Argelius
planet Argo (Hestalor)		UFC 78856
Argos
Argus X		Argus
Ariannus
Arkaria
Arken II		Arken system
Arret
Arronus VII		Arronus
Arteline IV		Arteline
Arvada III		Arvada
Aschelan V
Askalon V		Askalon
Astrad	gas giant	Androcus		Federation space
Atrea IV		Atrea
Attrexia
Aulac
Aurelia
Avalon
Avery III
Avinall VII		Avinall
Aviskie
Axanar		Delta Orcus
Ayirn

B[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Banea
Bardex III		Bardex
Bejarus III	class M (presumed)	Bejarus	none known	Federation space
Belle Terre	class M	Occult	Quake Moon, Needle	Cluster Z-80, Sagittarian Stellar Group
Beta Antares III	class L	Antares B (Antares)	none known	system coordinates 172.1, 118.9, -13.9
Beta Cygni II (Albireo II)	class M planet	Albireo	one moon	system coordinates 3.27N 1.97W (Alpha Quadrant)
Beta Epsilon VI	class M	Beta Epsilon	none known	near Federation-Klingon border
Beta Tauri II (Taurus II)		Beta Tauri		within Murasaki 312
Betazed	class M	Beta Veldonna	Lonita	Federation space
Ba'ku
Bezride		Palias XIV
Borzha II
Brancherion

C[]

Planet or planetoid	Class and makeup	Parent body and/or star system
Cait
Caldik Prime
Canopus III	class M
Capella IV	class M
Catulla
Celtris III		Celtris
Cepheus
Cerberus II		Cerberus system
Chaltok IV
Chysule Epsilon II (Morassia)		Chysule Epsilon

D[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Dadax		Dextera 273
Dakala
Daran IV (Lorina)		Daran		sector 54R
Daran V (Kachissat)		Daran		sector 54R
Delestra	class M planet			In or near Federation space, Alpha or Beta Quadrant
Delta IV		Delta Triciatu
Delta Aurigae III		Delta Aurigae
Delta Canaris IV		Delta Canaris
Delta Dorado VII (Gideon)	class M planet	Delta Dorado system	none	coordinates 3.57S 2.35E (54.5, 42.7, -242.9), the galaxy's Beta Quadrant, visible from Sol (145 light-years distant) in Dorado constellation, near the Romulan Neutral Zone	TOS episode & Star Trek 6 novelization: The Mark of Gideon; ST references: Star Trek Maps, The Worlds of the Federation, Star Charts; FASA RPG module: The Federation
Delta Gamma IV		Delta Gamma
Delta Khinah II
Delta Rana IV (Rana IV, Delta Eridani IV)
Delta Sigma IV		Delta Sigma
Delta Theta III		Delta Theta
Delta Vega
Delta Vega
Deneva
Denobula		Denobula Triaxa
Domakleion	class M planet			Alpha or Beta Quadrant
Dramia		Draman system
Dramia II		Draman system

E[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Elas		Tellun
Elysia
Eminiar VII
Epsilon IV (Epsilon Hydrae IV)		Epsilon Hydrae
Epsilon XVII (Epsilon Hydrae XVII)		Epsilon Hydrae
Epsilon Boötis III (Izar)		Epsilon Boötis
Epsilon Canaris III		Adhara system
Epsilon Ceti B II (Risa)		Epsilon Ceti
Epsilon Delta IV		Epsilon Delta
Epsilon Draconis III		Epsilon Draconis
Europa Nova

F[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Fahleena III		Fahleena
Faramond
Floe I		Floe
Flood
Fomalhaut V

G[]

planet or planetoid	class and makeup	parent body and/or star system	orbiting bodies	locational references	source
Gamma Hydra II		Gamma Hydra
Gamma Hydra IV		Gamma Hydra
Gamma Sigma XII
Gamma Trianguli VI
Gamma Tauri IV		Gamma Tauri
Gideon	class M planet	Delta Dorado system	none	coordinates 3.57S 2.35E (54.5, 42.7, -242.9), the galaxy's Beta Quadrant, visible from Sol (145 light-years distant) in Dorado constellation, near the Romulan Neutral Zone	TOS episode & Star Trek 6 novelization: The Mark of Gideon; ST references: Star Trek Maps, The Worlds of the Federation, Star Charts; FASA RPG module: The Federation

H[]

planet or planetoid	class and makeup	parent body and/or star system	locational references	source
H8190	Borg assimilated	H8190 system	Milky Way Galaxy	ST video game: Starfleet Command III
Haakon	habitable	Haakon system	the galaxy's Delta Quadrant	VOY novel: Pathways; ST reference: Star Charts
Haakona Prime	habitable	Haakona system	Onias sector, Psi Velorum sector block, the galaxy's Beta Quadrant	ST reference: Star Charts; ENT - The Romulan War novel: Beneath the Raptor's Wing; STO video game: Star Trek Online
Habrenn	habitable	Arabenn system	coordinates 4.57N 1.12W, the galaxy's Alpha or Beta Quadrants	FASA RPG module: The Federation
Hadas IV	sulfuric	Hadas system	the galaxy's Alpha or Beta Quadrants	DS9 novelization: Emissary
Hadley II	habitable	Hadley 557 system	coordinates 0.89N 0.88E, the galaxy's Alpha or Beta Quadrants	FASA RPG module: The Federation
Hafjian	high-gravity	Hafjian system	the galaxy's Alpha or Beta Quadrants	TOS novel: Enterprise: The First Adventure
Hainara IV		Hainara system		^{[citation needed]}
Haken	habitable	Hivernia system	the galaxy's Alpha or Beta Quadrants	TNG novel: The Genesis Wave, Book One
Hakton VII	habitable	Hakton system	the galaxy's Alpha Quadrant	DS9 episode: "The Maquis, Part II"; TNG - S31 novel: Rogue
Halador	habitable	Sigma Zeta 477 system	coordinates 0.91N 7.39E, the galaxy's Alpha or Beta Quadrants	FASA RPG module: The Federation
Halcyon	habitable	Alpha Baratis system	coordinates 2.48S 7.05W, the galaxy's Alpha or Beta Quadrants	FASA RPG module: The Federation
Haldraine	habitable	Alpha Nimorra system	coordinates 3.78N 2.11E, the galaxy's Alpha or Beta Quadrants	FASA RPG module: The Federation
Halii	habitable	Halii system	the galaxy's Alpha or Beta Quadrants	TNG episode: "Aquiel"; DS9 - The Lives of Dax short story: "Sins of the Mother"
Halka	habitable	Omicron Ceti system	coordinates 4.27S 4.58E (-29.2 -147.3 -6.7), the galaxy's Beta Quadrant	TNG novel: Dark Mirror; TOS episode & novelization: Mirror, Mirror; FASA RPG module: The Federation; ST reference: Star Trek Maps
Hamal IV	habitable	Hamal system	the galaxy's Alpha or Beta Quadrants	TOS novel: The Wounded Sky; SCE - What's Past eBook: The Future Begins
Hannamore	habitable	Darmala Beta system	coordinates 0.85N 5.02W, the galaxy's Alpha or Beta Quadrants	FASA RPG module: The Federation
Hanon IV	habitable	Hanon system	the galaxy's Delta Quadrant	VOY episode: "Basics"
Hanoran II	habitable	Hanoran system	the galaxy's Alpha or Beta Quadrants	TNG movie: Insurrection
Hanover	habitable	Hanover system	the galaxy's Alpha or Beta Quadrants	TOS novel: Prime Directive
Hansen's Planet	habitable	Beta Hydra system	coordinates 0.91N 2.78E (188.8 34.9 12.6), the galaxy's Alpha or Beta Quadrants	FASA RPG module: The Federation; ST reference: Star Trek Maps
Harkoum	habitable	Geilod system	the galaxy's Alpha Quadrant	DS9 novel: Warpath
Harmar	class K planet	Bolarus system	the galaxy's Beta Quadrant	Last Unicorn RPG module: Planets of the UFP
Harmony				^{[citation needed]}
Harrakis V		Harrakis system		^{[citation needed]}
Harrapa IV		Harrapa system		^{[citation needed]}
Hartha				^{[citation needed]}
Hass'terral				^{[citation needed]}
H'atoria		H'atoria system		^{[citation needed]}
H'atoria (mirror)		H'atoria system		^{[citation needed]}
Heimal				^{[citation needed]}
Heir'ocha				^{[citation needed]}
Heir'tzan				^{[citation needed]}
Helena				^{[citation needed]}
Planet Hell				^{[citation needed]}
Hellguard (872 Trianguli V)		872 Trianguli		^{[citation needed]}
Helorius VII		Helorius system		^{[citation needed]}
Hemikek IV		Hemikek system		^{[citation needed]}
Henson's World				^{[citation needed]}
Hera (planet)				^{[citation needed]}
Hera IV		Hera system		^{[citation needed]}
Hercula				^{[citation needed]}
Hermat (planet)				^{[citation needed]}
Hermeticus II		Hermeticus system		^{[citation needed]}
Heronius II		Heronius system		^{[citation needed]}
Hestalor (Argo)		UFC 78856 system		^{[citation needed]}
Heva VII		Heva system		^{[citation needed]}
Hewe				^{[citation needed]}
Himalias V		Himalias system		^{[citation needed]}
Hirats III		Hirats system		^{[citation needed]}
Hobson Delta II				^{[citation needed]}
Hodunk				^{[citation needed]}
Hoek IV				^{[citation needed]}
Hofstrof				^{[citation needed]}
Hohweyn VII				^{[citation needed]}
Holberg 917G		Omega system		^{[citation needed]}
Holcomb's Planet				^{[citation needed]}
Holly II				^{[citation needed]}
Horbin				^{[citation needed]}
Horst III				^{[citation needed]}
Horus				^{[citation needed]}
Howell 320				^{[citation needed]}
Hrakkour IV				^{[citation needed]}
Hranrar				^{[citation needed]}
Huan				^{[citation needed]}
Hudson's World				^{[citation needed]}
HuDyuQ				^{[citation needed]}
Hurlin				^{[citation needed]}
Husnock (planet)				Decipher RPG module: Through a Glass, Darkly
Hutet				^{[citation needed]}
Hypras VII				^{[citation needed]}

I[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Iban	class M planet		none known	between Cardassian Union and Federation space, Alpha or Beta Quadrant
Iconia	class M planet		none known	Federation-Romulan Neutral Zone, Alpha or Beta Quadrant
Ikkabar (Iccobar)	class M planet		none known	in or near Federation space, Alpha or Beta Quadrant
Ilyara	class M planet		none known	in or near Federation space, Alpha or Beta Quadrant
Ing	class M planet		none known	Federation space, Alpha or Beta Quadrant
Ingav	class M planet		none known	between Cardassian Union and Federation space, Alpha or Beta Quadrant
Ingraham B	class M planet		none known	in or near Federation space, Alpha or Beta Quadrant
Invaria II	class M planet	Invaria star system	none known	in or near Federation space, Alpha or Beta Quadrant
Iota Geminorum IV	class M planet	Iota Geminorum star system	none known	in or near Federation space, Alpha or Beta Quadrant
Iotia (Sigma Iotia II; Iotia II)	class M planet	Sigma Iotia star system	none known	star system coordinates -5.7, -144.2, -109.1, near Federation space, Alpha or Beta Quadrant
Isis III	class M planet	Isis star system	none known	in or near Federation space, Alpha or Beta Quadrant
Ivor Prime	class M planet	Ivor star system	none known	Federation space, Alpha or Beta Quadrant
Izar (Epsilon Boötis III)	class M planet	Epsilon Boötis star system	none known	Federation space, Alpha or Beta Quadrant
Iziox			none known	Delta Quadrant

K[]

planet or planetoid	class and makeup	parent body and/or star system	locational references	source(s)
Kachissat (Daran V)		Daran	sector 54R
Kotara Barath
K'Karr
Klatoor
K'Linsann (Aalad III, Patterson's Place)		Aalad	system coordinates 8.9S 6.7E
Kolm-an
Koltaari
Kradin-Vori planet	class M planet	Kradin-Vori star system	the galaxy's Delta Quadrant, near Arrithea and Seros	ST reference: Star Charts; VOY episode: "Nemesis"
Kyros		Kyr

L[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Lactra VII	class M	Lactra		coordinates 264.7, 65.4, 98.1; near Epsilon Scorpii, Federation space, Alpha or Beta Quadrant
Lado
Landru
Levaeri V		Levaeri
Loracus Prime
Lorina (Daran IV)		Daran		sector 54R
Luna		Earth (Sol)	none	near Venus and Mars

M[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Marcus	unknown (presumed class M)	6-23	none known
Mars		Sol
Mastocal
Maxia Zeta V		Maxia Zeta
Mercan		Mercaniad
Mercury		Sol		near Venus
Mobita
Morassia (Chysule Epsilon II)		Chysule Epsilon

N[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Nelkar
Neptune		Sol
New Paradise
Nordstral

O[]

planet or planetoid	class and makeup	parent body and/or star system	orbiting bodies	locational references	source(s)
Oan (Kappa Xi II)	oceanic, inhabitable (Oani civilization homeworld)	Kappa Xi star system		the galaxy's Alpha or Beta Quadrants	ENT novel: Surak's Soul
Oblik III	inhabitable (dinosaur animal homeworld)	Oblik star system		Quadrant 0, the galaxy's Alpha or Beta Quadrants	TOS audiobook comic: "Dinosaur Planet"
Obsidian	class M planet, desert (Obsidian natives homeworld)	Loki star system		the galaxy's Alpha or Beta Quadrants	TOS novel: Vulcan's Forge
Ocampa V (planet Ocampa)	class H planet, desert (previously class M; Ocampa civilization homeworld)	Ocampa system		the galaxy's Delta Quadrant	VOY episode & novelization: Caretaker
Ochs V (Riviera)	class M planet	Ochs star system		coordinates 2.22N 1.79E, the galaxy's Alpha or Beta Quadrants	FASA RPG module: The Federation
Odib	inhabitable (Odib civilization homeworld)	Odib system		the galaxy's Alpha or Beta Quadrants	TOS novel: Troublesome Minds
Ogat	inhabitable (colonized by Klingons)	Ogat star system		the galaxy's Beta Quadrant	TNG episode: "Firstborn"
Oghen	inhabitable (Oghen civilization homeworld)	Oghen system		Small Magellanic Cloud	TTN novel: The Red King
Ogyas III	arctic, inhabitable (colonized by Cardassians)	Ogyas star system		the galaxy's Alpha Quadrant	DS9 novel: The Never-Ending Sacrifice
Ohniaka III	planet (Federation outpost)	Ohniaka star system		the galaxy's Alpha or Beta Quadrants	TNG episode & novelization: Descent
Okapu VII	inhabitable (Okapu VII natives homeworld)	Okapu star system		the galaxy's Alpha or Beta Quadrants	ST - New Worlds, New Civilizations short story: "Paradox of Virtue"
Olaras Prime	inhabitable (Olaras Prime natives homeworld)	Olaras star system		the galaxy's Alpha or Beta Quadrants	ST video game: Starship Creator
Olson	uninhabited, destroyed (2285)	Alpha Centauri B star system (in Alpha Centauri system)		Alpha Centauri sector, Alpha Centauri sector block, the galaxy's Beta Quadrant	TOS - The Yesterday Saga novel: Time for Yesterday
Oltion IV	inhabitable (Oltonan civilization homeworld)	Oltion star system		the galaxy's Alpha or Beta Quadrants	DS9 novel: The Big Game
Omega IV	inhabitable (Yang and Kohm homeworld)	Omega system		the galaxy's Alpha or Beta Quadrants	TOS episode: "The Omega Glory"
Omekla III	planet (Cardassian outpost)	Omekla star system		the galaxy's Alpha Quadrant	DS9 episode: "Defiant"
Omicron III	inhabitable (Omicron III natives homeworld)	Omicron system		the galaxy's Alpha or Beta Quadrants	TOS - Star Trek 3 novelization: Assignment: Earth
Omicron V	planet	Omicron system	moon Triton II	the galaxy's Alpha or Beta Quadrants	TNG novel: Dark Mirror
Omicron Ceti III
Omicron Draconis VI
Omicron Draconis
Omicron-2 Eridani I
Omicron-2 Eridani II
Omicron-2 Eridani III
Omicron-2 Eridani IV
Omicron-2 Eridani V
Omicron-2 Eridani VI
Omicron-2 Eridani VII
Ona
Ontail
Ophiucus III
Orelious IX
Orelte	inhabitable moon (Frunalian civilization homeworld)	Frunalian system		the galaxy's Alpha or Beta Quadrants	TOS - Crucible novel: The Fire and the Rose
Organia
Orgon
Oriana
Orias III
Oriens Gamma IIIB
Orion
Orion I
Orion III
Orisha
Ornara
Osborne's World
Otha
Ozannot

P[]

Planet or planetoid	Parent body and/or star system	Locational references
Perry
Perry
Patterson's Place (K'Linsann, Aalad III)	Aalad	system coordinates 8.9S 6.7E
Phylos II
Pollux II	Pollux
Pollux IV	Pollux
Pollux V	Pollux
Precipice

R[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references	Source(s)
Rejev III
Remfry
Remoré VII	unspecified	Remoré star system	none known	in or near Federation space, the galaxy's Alpha or Beta Quadrants	DS9 novel: Ascendance
Ricktor Prime
Risa (Epsilon Ceti B II)		Epsilon Ceti
Rovan IV	class M planet	Rovan		Alpha or Beta Quadrant

S[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references	Source(s)
Sanctuary
Sarpeidon		Beta Niobe
Septimus III
Selay		Beta Renner
Seyom VI		Seyom
Selta Avastam
Sentera V	unspecified	Sentera star system	none known	in or near Federation space, the galaxy's Alpha or Beta Quadrants	TOS novel: Vulcan!
Shad
Sigma Iotia II	class M planet	Sigma Iotia	none known	star system coordinates -5.7, -144.2, -109.1
Spike
S'Snagor
Styra	class M	83 Beta (formerly)	none known	moved to new star system
Svoboda II
Syntagus Theluv (T-B XIII, Tri-Betaline XIII)	class M planet	Tri-Betaline system	none known

T[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
T-B XIII (Syntagus Theluv, Tri-Betaline XIII)	class M planet	Tri-Betaline system	none known
Terra (Earth)		Sol	Luna	near Venus, Mars
Taurus II (Beta Tauri II)		Beta Tauri		within Murasaki 312
Tessmata IV	unknown	Tessmata	none known
Thallon	class M
Tinnum II
Tlaoli IV
Tri-Betaline XIII (Syntagus Theluv, T-B XIII)	class M planet	Tri-Betaline system	none known
Tripoli IX	unknown	Tripoli system	none known
Triskelion	class M planet	M24-Alpha	none known	star system coordinates -85.5, -59.1, -75.8
Troyius		Tellun

U[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Uranus		Sol

V[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Venus		Sol		near Mercury, Earth
Vulcan		40 Eridani A (40 Eridani)	T'Khut

X[]

Planet or planetoid	Class and makeup	Parent body and/or star system	Orbiting bodies	Locational references
Xenex				near sector 221
Xindi Council planet
Xindus

Z[]

planet or planetoid	class and makeup	parent body and/or star system	locational references	sources
Zeta Reticuli II		Zeta Reticuli
Zadar IV		Zadar
Zakdorn
Zalda (Dolium V)		Dolium
Zaran II		Zaran
Zenna IV		Zenna
Zetar II			Alpha or Beta Quadrant
Zeon	class M	M43 Alpha
Zytchin III	inhabitable	Zytchin	the galaxy's Alpha or Beta Quadrant, Federation space	TNG episode: "Captain's Holiday", ST reference: The Star Trek Encyclopedia