M43 Alpha was a star system, a trinary star located in the space of the galaxy's Beta Quadrant, in Federation space at coordinates 2.02S 6.95E. M43 Alpha's three central stars were orbited by ten planets, two of them being class M worlds—fourth planet Ekos and fifth planet Zeon. (FASA RPG module: The Federation; ST reference: The Worlds of the Federation)
- Startrek.com gives the star's name as M34 Alpha. In TNG video game: Birth of the Federation, the orbital configuration of the game map star systems was randomly generated each time a new game started.
- M43 Alpha trinary