90482 Orcus given the designation S/2005 (90482) 1 before later being named "Vanth". It orbits Orcus in a nearly face-on circular orbit with an eccentricity of about 0.007, and an orbital period of 9.54 days. Vanth orbits only from Orcus and is too close to Orcus for ground-based spectroscopy to determine the surface composition of the satellite. Mike Brown suspects that like the Pluto–Charon system, Orcus and Vanth are tidally locked. Vanth does not resemble known collisional satellites because its spectrum is very different from that of its primary, and it may be a captured KBO. Vanth could also have originated as
Orcus (Dungeons & Dragons) Orcus (Dungeons & Dragons) Orcus is a fictional demon prince and lord of the undead in many campaign settings for the "Dungeons & Dragons" fantasy role-playing game. He is named after Orcus of Roman mythology. His symbol is a mace with a human skull as the head. Orcus is one of the most detailed demon lords of the "Dungeons & Dragons" game and one of a small handful to be detailed in every edition of the game. Orcus was also named as one of the greatest villains in "D&D" history by the final print issue of "Dragon". "Dungeons & Dragons