Ceres (Dwarf Planet)

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.

Mean distance from Sun 2.768 a.u.

Sidereal Period 1680.5 days

Rotation Period 9 hours 4.5'

Mass 9.43 x 10²⁰kg

Diameter 975 x 909 km

The Astronomical symbol for the planet Ceres is represented by the unicode symbol ⚳