Dwarf Planet
Ceres
The largest body in the Asteroid Belt and the only dwarf planet of the inner Solar System. Known for the bright salt deposits in Occator crater.
| Type | Dwarf Planet |
|---|---|
| Parent body | Sun |
| Radius | 470 km · 0.0737 R⊕ |
| Mass | 9.384 × 10²⁰ kg · 1.57 × 10⁻⁴ M⊕ |
| Mean density | 2.16 g/cm³ |
| Surface gravity | 0.284 m/s² · 0.029 × Earth |
| Escape velocity | 0.516 km/s |
| Rotation period | 9.07 hours |
| Orbital radius | 2.77 AU (Sun) |
| Eccentricity | 0.076 |
| Orbital period | 4.6 years |
| Discovery | 1801, G. Piazzi |