Theta Majoris was a star system, located somewhere in the space of the galaxy's Alpha or Beta Quadrants, in Federation space at coordinates 0.98S 0.75E. The Theta Majoris system's orbit was the location of a planetary system that included the Tellarite colony, Vargus. (FASA RPG module: The Federation)
- The stellar notation using the Greek language letter "theta" indicates that there might be a star group or constellation of some sort named "Majoris", of which Theta Majoris would logically be indicated to be the eighth most prominent star or system. This could be shorthand for the Canis Major constellation or the Ursa Major constellation.
- Theta Majoris primary