Pi³ Orionis, commonly known as the Orion system or 1 Orionis, was a star system located in the Beta Quadrant, near Federation space. This system is within the Orion sector of the Sirius sector block. (ST reference: Star Charts; STO video game: Star Trek Online)

Details and historyEdit

Pi³ Orionis was a trinary star, consisting of three F-type white stars. It had a brightness of magnitude +3. The Orion system was not a member of the Federation, but was located in the midst of Federation-controlled space.

Zefram Cochrane visited Pi³ Orionis during his final voyage of 2120. (ST reference: Star Charts)

This system was the location of a number of planets, including first planet Orion I, where the Institute of Cosmology was located, and third planet Orion III. (VOY episodes: "Good Shepherd", "The Fight")

This system was visible on a large star chart of the Federation's vicinity displayed at Starfleet Command. (TNG episode: "Conspiracy")

Federation space FASA TCMP

Federation space star map.

This system's orbit was a small habitable area, containing only three inhabited worlds. (TAS - Log Four novelization: The Pirates of Orion)

The TAS novelization: The Pirates of Orion doesn't name the system or the worlds.

The Orion home system was in the general vicinity of Argelius and Rigel. (FASA RPG module: Trader Captains and Merchant Princes)

Orion was well-known for its dances. Devna, an Orionite trapped in Elysia and serving as Interpreter of Laws for the Elysian Council, longed to see Orion again. She declined James T. Kirk's offer to return, however, having accepted her place in Elysia. (TAS episode & novelization: The Time Trap)

In the late 24th century, it was possible to obtain an unlisted bank account in the Orion home system. Quark once wished he'd kept more of his money in one. (DS9 novel: Devil in the Sky)

The worlds of the Orion home system might be the origin of numerous lifeforms:

It is unclear where these plants and animals come from, only that they are named 'Orion', implying an origin or a familiarity with this system or with the Orion people.




Sirius sector block
Orion sector Kinjer system (Kinjer Prime) • Lackey system (Lackey III) • Reytan system (Reytan) • Starbase 24 (Starbase 24's system) • Una system (Una II) BetaQuadrant
Orion trinary system Stars: Pi-3 Orionis trinary star (Orion A, Orion B, Orion C)
Planets and moons: I. Orion I • III.: Orion III/Orion Prime (Luna Orionis) • HoanThaspa
Risa sector Bomari system (Bomari II) • Donia system (Donia) • Gamma Orionis transwarp conduitImaga system (ImagaImaga II) • Koolhaas system (Koolhaas) • Omar system (Omar) • Tazi system (Tazi)
Risa system Stars and outposts: Epsilon Ceti AEpsilon Ceti B (Granicus binary) • Epsilon Ceti CEpsilon Ceti Outpost AlphaQuadrant
Planets: Epsilon Ceti B I (Suam) • B II.: Risa (Inobe) • LowoionRusanej
Vulcan sector Beytan system (Beytan V) • Bhea system (Bhea) • Delta Volanis ClusterKei system (Kei III) • P'Jem system (P'Jem) • Pellme system (Pellme II) • Pico system (Pico) • Wolf 359 system
Vulcan system Stars: 40 Eridani A40 Eridani B40 Eridani C
Planets and moons: I. Ket-Cheleb • II & III.: VulcanT'Khut (T'Rukhemai) • IV. Tel-Alep • V. Kal-Apton • VI. Kir AlepVulcanis VIIDelta Vega
Stars, systems and objects of the Orion constellation
46 Orionis (Alnilam, Epsilon Orionis)54 Orionis (Chi-1 Orionis, Coridan)74 OrionisAlnilam (46 Orionis, Epsilon Orionis)Alnitak (Zeta Orionis)Bellatrix (Gamma Orionis)Alpha Orionis (Betelgeuse)Beta Orionis (Rigel)Betelgeuse (Alpha Orionis)Chi-1 Orionis (54 Orionis, Coridan)Coridan (54 Orionis, Chi-1 Orionis)Delta Orionis (Mintaka)Epsilon Orionis (Alnilam, 46 Orionis)Gamma Orionis (Bellatrix)Mintaka (Delta Orionis)Orion system (Pi-3 Orionis)Pi-3 Orionis (Orion system)Rigel (Beta Orionis)Sigma-1014 OrionisZeta Orionis (Alnitak)
Alpha and Beta Quadrant stars and star systems (P)
PaeganPal's StarPalgrenax systemPallas 14PanteraParadanePariParsionPasara MajorisPelhamPelionePentisPerseant AlphaPhiPhi DeltaPhi KappaPhi PumaPhicusPhidianPilarPilar systemPilkorPolinPolydorusPolymaxPorrimaPosaraPosellProteus systemProvidence systemPSR 418-D/1015.3PuriazPyris Alphabetasym
Alpha Quadrant stars and systems (P) Pegasus MajorPeliosPeyitPortasPrexnakPriamPrijipatiProsennaPsi-5 AurigaePyrelliaPyrithia AlphaQuadrant
Beta Quadrant stars and systems (P) PallorPaxarPerenPeritheesPhardosPhebenPhi VirginisPhylosPi HydraePi-3 OrionisPictaeP'Jem systemPollusPolluxProcyonProcyon AProximaProxima CanarisPsi Cancri BetaQuadrant
Alpha and Beta Quadrant stars and star systems (O)
OblikObyOccultOchsOctifOdalOdibOhniakaOhopOlassaOlioOltionOmegaOmega Corvus • Omega Cygni (Cygnet, Maluria) • Omega DraconisOmega MaelstromOmicron IndiOmicron PascalOneliaOomaru system (Oomaru) • OphiucusOplaOrda-877OrdoverOriens DeltaOrsaOsinar Alphabetasym
Alpha Quadrant stars and systems (O) OlmerakOmega AurigaeOmega PisciumOmega SagittaOmega SagittariiOmicron DraconisOmicron PerseiOrelliusOriasOsadj AlphaQuadrant
Beta Quadrant stars and systems (O) OgatOmega FornacisOmicron CetiOmicron EridaniOmicron GruisOmicron Leonis • Omicron Eridani (Omicron-1 EridaniOmicron-2 Eridani: Omicron-2 Eridani A, Omicron-2 Eridani B, Omicron-2 Eridani C) • OracoOrgania systemOrionOssecOtha Prime BetaQuadrant
Alpha and Beta Quadrant stars and star systems (0-9)
5 Arietis6 Arietis7 Ursae Minoris12 Lyncis13 Arietis22 Hydrae22 Ophiuchi37 Cassiopeiae37 Serpentis47 Draconis56 Arietis57 Arietis61 Ursae Majoris74 Tauri78.56/3.54/23.4483 Beta114 Trianguli128 Trianguli334 Scorpii415 Arietis780 Arietis4725 CancriSystem 330System 7348 Alphabetasym
Alpha Quadrant stars and systems (0-9) 1 Herculis2 Ophiuchi3 Coronae Borealis4 Aurigae5 Coronae Borealis6 Delphini7 Aurigae7 Delphini8 Aurigae8 Canum Venaticorum10 Canum Venaticorum11 Lacerti12 Canum Venaticorum12 Draconis13 Aurigae14 Draconis14 Lyrae15 Lyncis15 Sagittae16 Ceti16 Cygni17 Andromedae17 Aquilae17 Piscis Austrini20 Draconis21 Andromedae (21 Andromedae A21 Andromedae B) • 21 Boötis24 Cassiopeiae26 Pegasi27 Herculis30 Boötis31 Aquilae33 Aurigae33 Draconis34 Aquarii34 Aurigae35 Ophiuchi37 Cygni38 Sagittarii40 Capricorni42 Boötis43 Andromedae44 Persei46 Andromedae51 Pegasi53 Aquarii53 Aquilae56 Aurigae57 Andromedae57 Serpentis59 Aquarii61 Cygni61 Draconis63 Draconis65 Herculis70 Ophiuchi92 Herculis94 Aquarii99 Herculis112 Tauri218 Persei329 Aurigae492 Lyncis1440 Ophiuchi (1440 Ophiuchi B) • 1616 Ophiuchi1865 Serpens4408 Trianguli AlphaQuadrant
Beta Quadrant stars and systems (0-9) 1 Centauri1 Orionis2 Corvi3 Canis Minoris3 Eridani5 Virginis8 Monocerotis10 Canis Minoris11 Hydrae13 Eridani14 Cancri14 Eridani14 Leonis15 Leporis16 Cancri17 Circini17 Pavonis18 Eridani23 Eridani24 Geminorum24 Orionis25 Canis Majoris26 Monocerotis26–27 Crucis27 Geminorum32 Pictoris34 Eridani34 Fornacis36 Leonis38 Eridani38 Lyncis40 Eridani (40 Eridani A40 Eridani B40 Eridani C) • 43 Pavonis46 Orionis54 Geminorum54 Orionis59 Eridani65 Cancri65 Fornacis66 Geminorum67 Eridani67 Virginis70 Ophiucus74 Orionis75 Geminorum78 Geminorum78 Pavonis82 Eridani83 Leonis (83 Leonis A83 Leonis B) • 88 Eridani88 Pavonis111 Pavonis113 Pavonis127 Scorpii128 Pavonis198 Eridani1020 Octantis1212 Muscae4403 Pavonis BetaQuadrant


ST reference: Star Charts establishes the Orion system mentioned in canon as being Pi-3 Orionis, a non-Federation location. STO video game: Star Trek Online extrapolates on Star Charts with a sector vicinity named after this location.

Since Star Charts has specific notation regarding Federation and non-Federation systems, we can see that the political status of this system is not as a Federation member, but it is entrenched in Federation space, and is an acceptable destination for travelers from Federation worlds.

Non-canon sources do differentiate between the Human-originated terminology "Orion" referring to the constellation (which contains this system), with the Orion people being unrelated (translated from terms such a "Ur'eon"). It could be that this system has been settled by Orions, or had been at some point—but with many other conflicting accounts of Orion history, it is uncertain that this is meant to be their home system or point of origination. However, many other sources have developed the Rigel system, Beta Orionis, as the home of the Orions, with either Rigel VII and Rigel VIII both developed as their homeworld, each also named "Orion". The Decipher RPG module: Worlds calls both Rigel VII and the star Rigel "Kolar", the Orion word for "Orion", suggesting that Rigel is the so-called Orion system. On the other hand, the ST reference: Star Charts names the Pi-3 Orionis system "Orion", perhaps suggesting that the Orion homeworld is there.

This is not necessarily a contradiction of the 24th century reference to Orion Prime at Pi-3 Orionis, as the older publications depict Orion's ancient origins including abandonment of some previous and adopted homeworlds. Star Charts originated the reference to the Pi-3 Orionis system as the commonly referred to "Orion system".

This article collects references to "Orion" as a star system that cannot be fully placed elsewhere. Please see Rigel system and Alnilam for more information, and please also see Orion (planet) for references to Orion as a planet.


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