Orion system vicinity

Vicinity map of surrounding areas.

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 history

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")




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)
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


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.

While it may appear that the Orion civilization could be associated with this location, none of the canon references thus far added to this wiki article mention the Orions in any way. 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 doubtful that this is meant to be their home system or point of origination.

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