90482 Orcus
Dwarf planet
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Orcus is a large trans-Neptunian object and likely dwarf planet located in the Kuiper belt, with one large moon, Vanth. It has an estimated diameter of 870 to 960 km, comparable to the Inner Solar System dwarf planet Ceres. Wikipedia
Moon: Vanth
Radius: 297.76 mi
Discovered: February 17, 2004
Discoverers: Michael E. Brown, Chad Trujillo, and David L. Rabinowitz
Mass: 6.32 × 10^20 kg
Gravity: 0.18 m/s²