Mone was a small planetoid in the Talos star group, a moon of the planet Talos IV. Mone was one of two such bodies, as Talos was also orbited by Toh. (ST reference: Star Trek Maps)

objects of the Talos star group
stars	Talos Prime (primary) • Talos B • Talos C • Talos D
planets and other bodies	Talos I • Talos II • Talos III • Talos IV (Mone • Toh) • Talos V • Talos VI • Talos VII • Talos VIII • Talos IX • Talos X • Talos XI