dwarf planet

Ceres

The largest object in the asteroid belt, a dwarf planet.

See Ceres on the map

Across the equator

939 km

Average distance from the Sun

2.766 AU (about 414 million km)

One trip round the Sun

4.6 Earth years

One spin on its axis

9 hours 4 minutes. It is the only dwarf planet in the inner Solar System.

Moons

none

Equatorial diameters (the same values the map draws) and spin: NASA NSSDC planetary fact sheets (https://nssdc.gsfc.nasa.gov/planetary/factsheet/). Mean distance from the Sun: JPL Approximate Positions of the Planets, Table 1, and the JPL Small-Body Database for Ceres and Pluto. Year length is computed from the distance with Kepler's third law (years = distance in AU to the power 1.5).

Other worlds: Mercury · Venus · Mars · Jupiter · Saturn · Uranus · Neptune · Pluto

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