Tags: Planet.

90482 Orcus is a planetoid in the Kuiper belt with a large moon Vanth. It was discovered on February 17 2004 by Michael Brown of Caltech Chad Trujillo of the Gemini Observatory and David Rabinowitz of Yale University. Precovery images as early as November 8 1951 were later identified. It is probably a dwarf planet.Orcus is a plutino locked in a 2:3 resonance with Neptune making two revolutions around the Sun while Neptune makes three.

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