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")