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The system has at least three planets, with Osadj III, a large class J gas giant, having at least one class M moon with a temperate climate, a large ocean and several land masses with rolling hills and open plains covered in low vegetation and a stable ecological system, Osadj Prime. There is one sentient humanoid species native to this moon, called the Osadjani.
Other planets in the system include a rocky class D planet and a medium-sized class J gas giant.
|Alpha and Beta Quadrant stars and star systems (O)|
|Oblik • Oby • Occult • Ochs • Octif • Odal • Odib • Ohniaka • Ohop • Olassa • Olio • Oltion • Omega • Omega-2 Cygni • Omega Corvus • Omega Cygni (Cygnet, Maluria) • Omega Draconis • Omega Maelstrom • Omicron Indi • Omicron Pascal • Omicron Testus • Onelia • Onyx • Onza • Oomaru system (Oomaru) • Oorego • Ophiucus • Opla • Orda-877 • Ordover • Orestes • Oriens Delta • Orsa • Orwell • Osinar|
|Alpha Quadrant stars and systems (O)||Olmerak • Omega Aurigae • Omega Piscium • Omega Sagitta • Omega Sagittarii • Omicron Draconis • Omicron Persei • Orellius • Orias • Osadj|
|Beta Quadrant stars and systems (O)||Ogat • Omega Fornacis • Omicron Ceti • Omicron Eridani • Omicron Gruis • Omicron Leonis • Omicron Eridani (Omicron-1 Eridani • Omicron-2 Eridani: Omicron-2 Eridani A, Omicron-2 Eridani B, Omicron-2 Eridani C) • Oraco • Organia system • Orion • Ossec • Otha Prime|