(4803) Birkle Main-belt Asteroid
Discovered on 1 December 1989 by J. M. Baur at Chions.
Where Birkle is today
Seen from above the solar system on 2026-10-14: Birkle is 2.80 au from the Sun and 3.70 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4803 |
| Provisional designation | 1989 XA |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.1 km (#5,063 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.230 |
| Rotation period | 14.6 hours |
| Absolute magnitude (H) | 12.44 |
| Orbital period | 4.94 years |
| Semi-major axis | 2.90 au |
| Perihelion – aphelion | 2.80 – 3.00 au |
| Eccentricity | 0.0340 |
| Inclination | 2.91° |
| Closest distance between its orbit and Earth's (MOID) | 1.79 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.