Ceres (Dwarf Planet)
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Image Credit: NASA/ESA |
Symbol |  |
Mean distance from The Sun | 2.768 a.u. |
Sidereal Period | 1680.5 days |
Rotation Period | 9 hours 4.5' |
Mass | 9.43 x 1020 kg |
Diameter | 975 x 909 km |
Ceres is a dwarf planet beyond the orbit of
Mars. Discovered in 1801 by Piazzi, Ceres was originally classified as a planet before being reclassified as an asteroid (or minor planet). In 2006 Ceres was once again reclassified, this time as a dwarf planet.
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This page was last modified on Saturday, March 13, 2010 11:31:21 AM