(4347) Reger Main-belt Asteroid
Discovered on 13 August 1988 by F. Borngen at Tautenburg.
Where Reger is today
Seen from above the solar system on 2026-10-14: Reger is 3.26 au from the Sun and 2.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4347 |
| Provisional designation | 1988 PK2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.7 km (#2,752 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0760 |
| Rotation period | 16.0 hours |
| Absolute magnitude (H) | 12.54 |
| Orbital period | 5.33 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.84 – 3.26 au |
| Eccentricity | 0.0692 |
| Inclination | 0.555° |
| Closest distance between its orbit and Earth's (MOID) | 1.83 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 13 August 1988
- (3918) Brel
- (4379) Snelling
- (4707) Khryses
- (5471) Tunguska
- (5866) Sachsen
- (6549) Skryabin
- (8826) Corneville
- (8827) Kollwitz
- (9315) Weigel
- (12240) Droste-Hulshoff
- (12241) Lefort
- (21010) Kishon