Coridan
- Also known as 54 Orionis, Chi-1 Orionis
- Located within the Beta Quadrant
- 49 hours from Romulan space at warp 5.2 (old scale) (ENT Novel: The Good That Men Do)
Known Planets
- Coridan Prime (Coridan III)
- Two asteroid belts beyond Coridan Prime (ENT Novel: The Good That Men Do)