Diogenes was a planet located somewhere in the space of the galaxy's Alpha or Beta Quadrants, near the Federation/Tholian border. It is a Federation colony used as a religious retreat.

According to a Starfleet Academy simulation scenario, when the Federation forces passed into Tholian space, a Tholian starship was found near its vicinity. (TOS video game: Starfleet Academy Starship Bridge Simulator)

This article is a stub relating to a planet, moon or planetoid. You can help our database by expanding on it.