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)

Stars, systems and objects of the Orion constellation
74 Orionis • Alpha Orionis (Betelgeuse) • Beta Orionis (Rigel) • Chi-1 Orionis (Coridan) • Delta Orionis (Mintaka) • Gamma Orionis (Bellatrix) • Pi-3 Orionis (Orion system) • Sigma-1014 Orionis • Zeta Orionis (Alnitak)