Systems & Worlds O - P
  • Oceanus Ultimata  - Text by Todd Drashner, with some comments by M. Alan Kazlev and Anders Sandberg
    Star in Carina Outer Volumes surrounded by an apparently artificial water ocean-ring.
  • Oh-F-Star-4 - Text by M. Alan Kazlev
    In NGC 3247, the capital of the Carina rush. Contains a wormhole of alien origin three thousand light years long.
  • Oia (Here)  - Text by Steve Bowers
    Oia, a predominantly cyborg world at the edge of Sophic League space.
  • Oikoumene Dyson  - Text by M. Alan Kazlev
    MPA dyson swarm at Zeta Serpentis.
  • Oquendo  - Text by Omega Tyrant
    Three terraformed Mars-like worlds.
  • Orinoco  - Text by Anders Sandberg
    Lambda Serpentis. Unsuccessfully terraformed world, now Cyberia Sphere.
  • Oro Mistral  - Text by D. David Barbeau
    Utopia Sphere whale and dolphin world.
  • Orobon  - Text by Steve Bowers
    Xenoterraformed world orbiting a white dwarf; a part of the so-called Garden of Paradise Cluster.
  • Orwell  - Text by Anders Sandberg
    Capital System of the Chronos Cluster.
  • Oshiq  - Text by Steve Bowers
    Outer Volumes post-gaian world.
  • Osiris  - Text by Steve Bowers
    HD 209458b Hot evaporating EpiStellar Jovian world.
  • Osto - Text by M. Alan Kazlev
    AI-governed autopic Utopia Sphere world famous (or notorious) for the invention of Pourmurmide, to which most of the populace still remains addicted.
  • Ouaddai (Wadi)  - Text by Steve Bowers
    A relatively small ringworld around a white dwarf star.
  • Outland  - Text by M. Alan Kazlev
    Enterprise 43-V. Early discovered chlorine ecology. Orbits a red dwarf in Andromeda, 90 light years from Sol.
  • Outpost 5478 - Text by M. Alan Kazlev
    TRHN world, one of the centers of the Artists of Gleia.
  • Owen (System)  - Text by PortalHunter
    System containing Owen, the homeland of a number of species of Dinosaur provolves.
  • Ozymandias (world)  - Text by Steve Bowers
    Vela Sector - NoCoZo. Capital world of the Genen gas-giant extremophile superfamily the Premacy.
  • P Eridani  - Text by Steve Bowers
    Red dwarf double system, former member of Eridanus League
  • Pacifica  - Text by Anders Sandberg
    Beta Virginis IV former capital of the Virginis Combine (originally New America).
  • Padro Padro - Text by M. Alan Kazlev
    Polity and solar system, Moravec Sector, nominal STC. A Xeon called Green Dragonfly God has established a cult of worshipful nearbaselines (most with some dragonfly rianthism) in and around the region.
  • Pandya  - Text by Steve Bowers
    Mu Cassiopeia Aa; a seedship colony almost lost because of immunology deficiencies.
  • Panthalassa   - Text by Steve Bowers
    Waterworld in the Zoeific Biopolity.
  • Panvirtuality 1  - Text by M. Alan Kazlev
    An A-lass star ringed by computronium megastructures and matrioshka dyson; the first Solipsist Panvirtuality to be examined in detail by a First Federation exploration swarm.
  • Panvirtuality Ultima  - Text by M. Alan Kazlev and Steve Bowers
    Zeta Ophiuchi O-class blue giant ringed by computronium megastructures and matrioshka dyson. One of the largest Panvirt systems. At 480 ly distance, this is the closest O type star to SolSys.
  • Parallax (world) - Text by Anders Sandberg
    MPA planet in the Erdece volume. While the surface is almost totally desert, the water in the notably high atmosphere forms several impressive cloud layers. A popular vacation spot for various aerial sports, famous for the skycities and the Parallax Immunological Institute.
  • Pardes  - Text by M. Alan Kazlev and Steve Bowers
    HD 190605 I, the former Cygexpa capital. A pleasant earth-like world 145 light years from Sol.
  • Paula  - Text by M. Alan Kazlev and Steve Bowers
    (YTS-5456111-003-II; Metasoft Version Tree Volume), home of the Xenosophont Paulans.
  • Paz (59 Draconis) - Text by M. Alan Kazlev
    59 Draconis - Inner Sphere Culture-World established during middle First Federation period.
  • Paz (Morpheo Ab)  - Text by M. Alan Kazlev
    Second Planet of the G-class star Morpheo A Colonised by the Pazists under Jon N'mabbo. Taken over by the Efficiency Maximization Paradigm. Planet optimized and dismantled before 7430.
  • Pelion and Ossa  - Text by Steve Bowers, with suggestions from Radtech497 and l0b0_t0mmy
    Two small terrestrial worlds which collided in 9526 AT.
  • Pen-y-Ghent System  - Text by Steve Bowers
    Mutual Progress Association middle sector system; includes the Ribblehead Societeum World.
  • Penglai  - Text by Anders Sandberg and M. Alan Kazlev
    Sigma Draconis colony settled by Chinese colonists.
  • Pentagon Moons, The  - Text by Mike Miller
    Highly modified system in the Metasoft Outer Volumes. Location of an oddly arranged set of baseline reserves that have a tragic history.
  • Perdix  - Text by Steve Bowers
    Terraformed terrestrial world in an eccentric orbit.
  • Pereira  - Text by Anders Sandberg and M. Alan Kazlev
    Cygnus Sector, Outer Volumes, system, former capital of the Biovirate, conquered by the Keter Dominion following the Keterist-Biovirate war, attacked and sterilised by rogue bio-Autowars, currently lightly populated by a number of disparate clades.
  • Perihelion (world)  - Text by Todd Drashner
    Mercurian Solar Dominion world with a highly developed evolved mechosystem.
  • Perileia 76 - Text by M. Alan Kazlev
    Middle Regions solar system, originally claimed by the Taurus Nexus, visited by Gorg as part of a a long-range relativist colonization venture. Captured by the Dominion following the breakup of the Nexus, in turn captured by Metasoft drones during the Version War, currently a Metasoft system. There is a monument and museum dedicated to the tragic story of Kibfrey and Gorg, and the system is part of the Kibfrey and Gorg Pilgrimage circuit.
  • Peta Dromanis  - Text by M. Alan Kazlev
    12 Ophiuchi Minor non-aligned Inner Sphere system, its only claim to fame is that it was the birthplace and home of Admiral Tka Lett-Vorek, the commander of the Interplanetary Combined Fleet.
  • Phobos  - Text by Daniel Eliot Boese and Mark Ryherd
    One of Mars' two natural satellites. Little remains of the original Phobos.
  • Pluton  - Text by Steve Bowers
    Capital of the Pluton Volume, Perseus Prefecture Solar Dominion / Muuh Border. Depleted former gas giant - now an ice core world. Home to many cold adapted clades and xenosophonts.
  • Pnas Greenen  - Text by M. Alan Kazlev
    A minor colony world in Monoceros Outer Volume region, original home of the infamous Equaliser Civilisation , now trying to forget its unhappy past.
  • Polaris  - Text by Steve Bowers
    Delta Cepheid-type star in the Solar Dominion.
  • Polonius  - Text by Anders Sandberg
    One of the member worlds of the Refugium Federation.
  • Polyanna - Text by M. Alan Kazlev
    Home to the Institute of Applied Hermeneutics, NoCoZo.
  • Popejoy - Text by M. Alan Kazlev
    Populous Solarist system, about 60 LY from the Dominion/MPA border. The ihabitants are for the most part only very nominal Solarists.
  • Porrima  - Text by M. Alan Kazlev
    Twin stars where the first high technology non-Terragen artifact — a derelict alien starship — was discovered in 3752 by the Virginis Combine ship Fra Angelico. The system is currently Solar Dominion protectorate inhabited by a number of bioid and cyborg clades. There is a small but well-equipped Exoarcheology Institute, and a highly accurate reconstruction of the Fra Angelico, along with a superficial reconstruction of the artifact, is a popular tourist attraction.
  • Positive Heading - Text by M. Alan Kazlev
    An important Metasoft world.
  • Potato (Asteroid Habitat)  - Text by Mike Miller
    An asteroid habitat in the Bonfire System
  • Praxis and Gnosis  - Text by Todd Drashner.
    Epsilon Indi B Inner Sphere brown dwarf, Deeper Covenant world and major relay node of the Deeper communications network.
  • Procyon (Alpha Canis Minoris)  - Text by Mark Ryherd
    F star system 11.4 LY from Sol; part of the Diamond Belt.
  • Proden  - Text by M. Alan Kazlev
    An important Metasoft world.
  • Prometheus  - Text by M. Alan Kazlev (after original concept by Anders Sandberg)
    A planet in the Zeta 1 Reticuli system, the original center of "Ufer" culture.
  • Prospera - Text by M. Alan Kazlev
    Important NoCoZo system.
  • Proxima  - Text by M. Alan Kazlev and John M. Dollan
    The closest star to Sol.
  • Proxima Centauri Colonies - Text by M. Alan Kazlev
    Habitats in the icy belts around Proxima Centauri. Center for the Buddhist revival of Boddhichittamaittreya III in the late First Federation era.
  • Puysha-Para - Text by M. Alan Kazlev
    Advanced Sophic cyborg ashram civilization, polity and partial dysonic M-class star system. They are connected to the Nexus and the Beamrider network and helped the Anandayannas gather allies for the Anandayanna-Uvartarasha War (Kuranaba is about 25 LY distant). Population is 123 million sophonts.
Related Topics
Development Notes
Text by Orion's Arm Editors

Initially published on 31 December 2007.

Additional Information