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,
Gate deities of the underworld Gate deities of the underworld The Gate deities of the underworld were ancient Egyptian minor deities charged with guarding the gates of the Egyptian underworld. The Egyptians believed that in the netherworld, the Duat, there were various gates, doors and pylons crossed every night by the solar boat (Atet) of the sun-god Ra and by the souls directed to the world of the dead. Ancient funerary texts provide many different descriptions of the afterlife gates. Sometimes more than 1,000 guardian deities are listed. According to a more general view, every gate was guarded by a minor god who allowed access