Rim[3] or Bolarus IX d[1] was the fourth of the four moons[1][3][4] of the planet Bolarus IX in the Bolarus star system. (Last Unicorn RPG module: Planets of the UFP; ST video game: Infinite)
A Bol'ra outpost was located on the moon. (Last Unicorn RPG module: Planets of the UFP)
Rim was named after a figure in Bolian mythology. (Last Unicorn RPG module: Planets of the UFP)