Asteroid
Vesta
The brightest and second-largest body in the Asteroid Belt; a "protoplanet" with a differentiated interior.
| Type | Asteroid |
|---|---|
| Parent body | Sun |
| Radius | 263 km · 0.0412 R⊕ |
| Mass | 2.591 × 10²⁰ kg · 4.34 × 10⁻⁵ M⊕ |
| Mean density | 3.41 g/cm³ |
| Surface gravity | 0.251 m/s² · 0.026 × Earth |
| Escape velocity | 0.363 km/s |
| Rotation period | 5.34 hours |
| Orbital radius | 2.36 AU (Sun) |
| Eccentricity | 0.089 |
| Orbital period | 3.63 years |