Coridan was the primary star of Coridan III, the homeworld of the Coridanites. The star was also known as "54 Ori" and was a red dwarf star. (ENT episode: "Shadows of P'Jem"; ST reference: Star Charts) The Coridanites called their star "Desotriana" in their own language. Four other planets in the system were inhabited. (ST reference: The Worlds of the Federation)