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,
Dis (Divine Comedy) halls and vacant realm of Dis" with his guide, the Sibyl, who correspond in "The Divine Comedy" to "Dante" as the speaker of the poem and his guide, Virgil. The walls of Dis are guarded by fallen angels, the Furies, and Medusa. Dante emphasizes the character of the place as a city by describing its architectural features: towers, gates, walls, ramparts, bridges, and moats. It is thus an antithesis to the heavenly city, as for instance described by St. Augustine in his book "City of God". Among these structures are mosques, "the worship places of the most dangerous enemies of