(993) Moultona Main-belt Asteroid
Discovered on 12 January 1923 by G. Van Biesbroeck at Williams Bay.
Where Moultona is today
Seen from above the solar system on 2026-10-14: Moultona is 2.99 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 993 |
| Provisional designation | A923 AB |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.4 km (#3,920 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.315 |
| Rotation period | 5.27 hours |
| Absolute magnitude (H) | 11.42 |
| Orbital period | 4.84 years |
| Semi-major axis | 2.86 au |
| Perihelion – aphelion | 2.73 – 2.99 au |
| Eccentricity | 0.0468 |
| Inclination | 1.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.74 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by G. Van Biesbroeck
- (990) Yerkes
- (1024) Hale
- (1027) Aesculapia
- (1033) Simona
- (1045) Michela
- (1046) Edwin
- (1079) Mimosa
- (1270) Datura
- (1312) Vassar
- (1464) Armisticia
- (2253) Espinette
- (2463) Sterpin
← (992) Swasey · (994) Otthild →