| 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
|