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) slumber, Acererak scheming with the Negative Energy Plane, and a once-powerful follower of Orcus sending a final impassioned prayer. Orcus was now "a thin, small, shadowy creature", and renamed himself Tenebrous. He was still a god, but much less powerful than before his death. His servants had been slain by Kiaransalee, so Tenebrous brought them back as undead tanar'ri called "visages", tasking them to gather information to plot his vengeance. He also found the Last Word in the ruins of Pelion on the plane of Arborea, which he could use to slay even gods. He sought the "Wand of Orcus",