Details : Item 214
| Mom | Son | Bird | Cat | Daughter | Dad | Dog | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Terrestrial planets |  |  |  |  |  |  |  | ||||
| Gas giants |  |  |  |  |  |  |  | ||||
| Gas giants 2 |  |  |  |  |  |  |  | ||||
| Ice giants |  |  |  |  |  |  |  | ||||
| Dwarf planets |  |  |  |  |  |  |  | ||||
| Others |  |  |  |  |  |  |  | ||||
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| Famille : Dwarf planets/Cat |
|---|
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| Ceres |
| Dwarf planet Ceres is the only object in the asteroid belt known to be rounded by its own gravity. Ceres was the first asteroid discovered. |
| Properties | |
|---|---|
| Albedo | 0.09 |
| Radius (km) | 473 |
| Mass (kg) | 9.393x10+20 |
| Density (g/cm3) | 2.161 |
| Gravity (m/s2) | 0.28 |
| Orbital period (days) | 1678.6 |
| Orbital speed (km/s) | 17.882 |
| Temperature (K) | 168 |
| Discovery date | 1801 (G. Piazzi) |