(3955) Bruckner Main-belt Asteroid
Discovered on 9 September 1988 by F. Borngen at Tautenburg.
Where Bruckner is today
Seen from above the solar system on 2026-10-14: Bruckner is 2.85 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3955 |
| Provisional designation | 1988 RF3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 18.1 km (#2,489 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.163 |
| Rotation period | 7.55 hours |
| Absolute magnitude (H) | 11.47 |
| Orbital period | 5.25 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.78 – 3.26 au |
| Eccentricity | 0.0782 |
| Inclination | 10.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.