90482 Orcus This means that Orcus is currently viewed pole-on, which could explain the near absence of any rotational modulation of its brightness. If, however, the primary is tidally locked with the satellite, the rotational period will coincide with the 9.7-day orbital period of Vanth. This minor planet was named after one of the Roman gods of the underworld, Orcus. While Pluto was the ruler of the underworld, Orcus was a punisher of the damned. The approved naming citation was published by the Minor Planet Center on 26 November 2004 (). Under the guidelines of the International Astronomical Union's (IAU) naming conventions,
Orcus (Dungeons & Dragons) H1-4 "Bloodstone" series of adventures, by Douglas Niles and Michael Dobson. His involvement was only hinted at in H1 "Bloodstone Pass" (1985) through the activities of his high priest. In H2 "The Mines of Bloodstone" (1986), minions of Orcus are involved in a number of activities and plots, and the authors hint on page 7 that "Orcus has special reasons for being interested in Bloodstone Pass", promising that more will be revealed in module H3. On page 21, it is revealed that evil duergar have built a temple to Orcus underground, involving a series of planar gates through which he