1212 Muscae I is the first planet in orbit of 1212 Mus, a star in the galaxy's Beta Quadrant. It is barren and rocky.
History[]
In 2275, the Federation starship USS Enterprise made an initial sensor scan of the planet while en route to Flyspeck. Spock found it and 1212 Muscae II unremarkable. (TOS novel: Doctor's Orders)