(5471) Tunguska Main-belt Asteroid
Discovered on 13 August 1988 by E. W. Elst at Haute Provence.
Where Tunguska is today
Seen from above the solar system on 2026-10-14: Tunguska is 3.21 au from the Sun and 3.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5471 |
| Provisional designation | 1988 PK1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.0 km (#2,904 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.191 |
| Rotation period | 5.17 hours |
| Absolute magnitude (H) | 11.69 |
| Orbital period | 5.19 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.78 – 3.21 au |
| Eccentricity | 0.0709 |
| Inclination | 9.32° |
| Closest distance between its orbit and Earth's (MOID) | 1.77 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 13 August 1988
- (3918) Brel
- (4347) Reger
- (4379) Snelling
- (4707) Khryses
- (5866) Sachsen
- (6549) Skryabin
- (8826) Corneville
- (8827) Kollwitz
- (9315) Weigel
- (12240) Droste-Hulshoff
- (12241) Lefort
- (21010) Kishon