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,
Tomb of Orcus (especially her eye) bears the influence of Hellenistic art. Unlike the Mona Lisa, however, she is noted for her grimace or sneer. The Tomb of Orcus II (sometimes distinguished as "the" Tomb of Orcus) was constructed around 325 BC. Its entrance is guarded by paintings of "Charun" (Charon), the keeper of the underworld, and a cyclops (possibly Polyphemus or Geryon). When the tomb was originally discovered, the cyclops was mistaken for the Roman god of the underworld, Orcus (hence the tomb's name). The back wall depicts a funeral procession overseen by "Aita" (Hades), the Etruscan god of the underworld, and