The "Star trek" canon concordance
Spatial bodies: O is for Orbit
- O-type star: See Star
- Ocampa (Planet, Kazon Ogla space, Delta Quadrant): See Ocampa
- Ocean (Monean Sovereignty): Biology: Fauna: Attacks Delta Flyer - Spatiography: Diameter: (>1600 km); Field generator: Age: (100,000 years); Failure: (Increased water pressure)
- Omecla III (Planet, Cardassian Union): Orbit: Obsidian Order: Illegal shipyards
- Omega IV (Planet): Atmosphere: (Nuclear war) - Biology: Fauna: Crystallising virus - Tracey: Believes creates immortality
- Omenrok (Planet, Cardassian Union): Dominion: (Base); Fleet: Ships stop Weyoun 6 defection
- Omicron IV (Planet): Seven, Gary: Timeline alteration
- Omicron Theta (Planet, UFP): Biosphere: (Crystalline entity kills all life) - Colony: Destruction: (Crystalline entity) - Planetology: Cave: Modification: (Colonists); Classification: M - Spatiography: Moons: 2
- Ophyicus III (Planet, UFP): Mineralogy: Mining station
- Organia (Planet, Klingon Empire/UFP border, Beta Quadrant): Treaty of Organia
- Orias III (Planet, Orias System, Cardassian Union): Obsidian Order: (Secret base), Illegal shipyards - Planetology: Classification: M
- Orendal V (Planet, ?Delta Quadrant): Four: Claims to have purchased Borg synaptic relays
- Orion (Planet, Alpha Quadrant): Chakotay: (Chaotic Space vision quest) - Coridan UFP entry negotiations: Assassination - Quark: (Kemosite smuggling)
- Orion I (Planet, UFP): Institute of Cosmology: Harren, Mortimer: (Entry application)
- Orion's Belt (Constellation from Earth): Planet of far left star: Novelist: (Let me help)
- Ornara (Planet, Delos System): Sanction: (Departure) - Spatiography: System: Planet III
- Orpisay Nebula (Delta Quadrant): Icheb: Scanning proto-star from USS Voyager Astrometrics
- Oshionian Prime (Planet, Delta Quadrant): Neelix: (Holoprogram) - Planetology: (Marshlands) - Spatiography: (Moon)
