(4499) Davidallen Main-belt Asteroid
Discovered on 4 January 1989 by R. H. McNaught at Siding Spring.
Where Davidallen is today
Seen from above the solar system on 2026-10-14: Davidallen is 3.00 au from the Sun and 2.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4499 |
| Provisional designation | 1989 AO3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 15.9 km (#2,909 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0760 |
| Rotation period | 87.2 hours |
| Absolute magnitude (H) | 12.66 |
| Orbital period | 5.68 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 2.70 – 3.67 au |
| Eccentricity | 0.152 |
| Inclination | 6.56° |
| Closest distance between its orbit and Earth's (MOID) | 1.72 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 January 1989
- (4000) Hipparchus
- (4179) Toutatis
- (4260) Yanai
- (4497) Taguchi
- (4710) Wade
- (5176) Yoichi
- (5374) Hokutosei
- (6708) Bobbievaile
- (7120) Davidgavine
- (7645) Pons
- (9843) Braidwood