(3802) Dornburg Main-belt Asteroid
Discovered on 7 August 1986 by F. Borngen at Tautenburg.
Where Dornburg is today
Seen from above the solar system on 2026-10-14: Dornburg is 2.43 au from the Sun and 3.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3802 |
| Provisional designation | 1986 PJ4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.88 km (#13,031 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.389 |
| Rotation period | 26.7 hours |
| Absolute magnitude (H) | 14.12 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.91 – 2.66 au |
| Eccentricity | 0.163 |
| Inclination | 4.44° |
| Closest distance between its orbit and Earth's (MOID) | 0.898 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.