Orcus
DefinitionOrcus is a trans-Neptunian dwarf planet candidate discovered in 2004. Its name comes from a Roman underworld deity associated with the consequences...
Quaoar
DefinitionQuaoar is a large object in the Kuiper Belt, discovered in 2002 and named for a creator figure in the traditions of...
Sedna
DefinitionSedna is a distant trans-Neptunian object discovered in 2003, with an exceptionally long orbit around the Sun. Its name comes from an...
Eris
DefinitionEris is a dwarf planet orbiting beyond Neptune, discovered in 2005 and named for the Greek goddess associated with discord and rivalry....
Chiron
DefinitionChiron is a small celestial body orbiting between Saturn and Uranus, classified as both a centaur and a minor planet. Discovered in...
Mean Black Moon Lilith
DefinitionMean Black Moon Lilith is the averaged, mathematically smoothed position of the Moon’s apogee—the point in its orbit farthest from Earth. It...
