Adelphous (or Adelphus) was a star system, located somewhere in Federation space in the galaxy's Beta Quadrant, near the borders of Klingon territory as well as the Romulan Neutral Zone. (ST references: Star Charts, Stellar Cartography: The Starfleet Reference Library; ST website: StarTrek.com)
History and specifics
The Adelphous system's orbit was the location of a number of worlds, including fourth planet Adelphous IV, the world Adelphus-B, and, by the late 24th century, the Adelphous Array. (TNG episode: "Data's Day"; TNG novels: Balance of Power, Takedown)
- Startrek.com spells the name of the fourth planet as "Adelphus IV", giving this system's name its alternate spelling.
- Adelphous primary star
- TNG episode: "Data's Day"
- ST reference: Star Charts
- ST reference: Stellar Cartography: The Starfleet Reference Library
- ST website: StarTrek.com
- TNG novel: Balance of Power
- ST - Destiny novel: Mere Mortals
- TNG novel: Takedown
- TLE novel: One Constant Star
- DSC episode: "Choose Your Pain" star chart display viewscreen
- DSC episode: "Magic to Make the Sanest Man Go Mad" star chart display viewscreen
- DSC episode: "The War Without, The War Within"