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) promise that his legions will attack Demogorgon, claiming that "I will be there to win your battle for you!" In the adventure "Prince of Demons" in "Dungeon" #150, Orcus commits four legions of 25,000 assorted demons and undead to the invasion of Gaping Maw, including his personal legion that has never been defeated in battle. He leaves command of these legions to his generals, as he desperately wants to be the one to defeat Demogorgon personally, to gain his power and hope to become a god. Orcus arrives in Gaping Maw at the same time the player characters invade, and