Sigma Thernia was a star system located in or near the Organian Treaty Zone of the galaxy's Alpha or Beta Quadrants.
History and specifics[]
The Sigma Thernia system's orbit was the location of a number of worlds, including third planet Sigma Thernia III and at least two moons. The system was several days away from Alpha Tau, which was located within the Organian Treaty Zone.
In 2271, the USS Yorktown visited the system twice. (TOS - Leonard McCoy, Frontier Doctor comic: "Hosts")
System makeup[]
- Sigma Thernia I
- Sigma Thernia II
- Sigma Thernia III