(4) Vesta Main-belt Asteroid
Discovered on 29 March 1807 by H. W. Olbers at Bremen.
Where Vesta is today
Seen from above the solar system on 2026-10-14: Vesta is 2.47 au from the Sun and 1.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4 |
| Provisional designation | A807 FA |
| Orbit class | Main-belt Asteroid |
| Diameter | 523 km (#3 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.423 |
| Rotation period | 5.34 hours |
| Spectral type | V |
| Absolute magnitude (H) | 3.25 |
| Orbital period | 3.63 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 2.15 – 2.57 au |
| Eccentricity | 0.0902 |
| Inclination | 7.14° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by H. W. Olbers
← (3) Juno · (5) Astraea →