(4456) Mawson Main-belt Asteroid
Discovered on 27 July 1989 by R. H. McNaught at Siding Spring.
Where Mawson is today
Seen from above the solar system on 2026-10-14: Mawson is 1.96 au from the Sun and 1.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4456 |
| Provisional designation | 1989 OG |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.59 km (#7,017 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.134 |
| Spectral type | Ld |
| Absolute magnitude (H) | 13.79 |
| Orbital period | 3.66 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.72 – 3.03 au |
| Eccentricity | 0.277 |
| Inclination | 15.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.713 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 27 July 1989
More named asteroids discovered by R. H. McNaught
- (3904) Honda
- (4093) Bennett
- (4128) UKSTU
- (4129) Richelen
- (4220) Flood
- (4499) Davidallen
- (4504) Jenkinson
- (4638) Estens
- (4667) Robbiesh
- (4678) Ninian
- (4679) Sybil
- (4699) Sootan
← (4455) Ruriko · (4457) van Gogh →