(516) Amherstia Main-belt Asteroid
Discovered on 20 September 1903 by R. S. Dugan at Heidelberg.
Where Amherstia is today
Seen from above the solar system on 2026-10-14: Amherstia is 3.32 au from the Sun and 2.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 516 |
| Provisional designation | A903 SG |
| Orbit class | Main-belt Asteroid |
| Diameter | 65.1 km (#523 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.202 |
| Rotation period | 7.48 hours |
| Spectral type | M |
| Absolute magnitude (H) | 8.35 |
| Orbital period | 4.38 years |
| Semi-major axis | 2.68 au |
| Perihelion – aphelion | 1.94 – 3.42 au |
| Eccentricity | 0.276 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.980 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 September 1903
More named asteroids discovered by R. S. Dugan
- (497) Iva
- (503) Evelyn
- (506) Marion
- (507) Laodica
- (508) Princetonia
- (510) Mabella
- (511) Davida
- (517) Edith
- (518) Halawe
- (519) Sylvania
- (521) Brixia
- (523) Ada
← (515) Athalia · (517) Edith →