(11807) Wannberg Main-belt Asteroid
Discovered on 1 March 1981 by S. J. Bus at Siding Spring.
Asta Pellinen-Wannberg (b. 1953) is a Swedish geophysicist and astronomer at Umeå University known for radar observation of meteors. She studies interaction of small meteoroids with the atmosphere using high-power large-aperture radars.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Wannberg is today
Seen from above the solar system on 2026-10-14: Wannberg is 2.99 au from the Sun and 2.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11807 |
| Provisional designation | 1981 EH17 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.89 km (#9,085 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.154 |
| Absolute magnitude (H) | 13.93 |
| Orbital period | 5.39 years |
| Semi-major axis | 3.07 au |
| Perihelion – aphelion | 2.72 – 3.42 au |
| Eccentricity | 0.115 |
| Inclination | 8.87° |
| Closest distance between its orbit and Earth's (MOID) | 1.72 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 1 March 1981
- (2788) Andenne
- (3016) Meuse
- (3029) Sanders
- (3030) Vehrenberg
- (3042) Zelinsky
- (3058) Delmary
- (3075) Bornmann
- (3135) Lauer
- (3308) Ferreri
- (3472) Upgren
- (3498) Belton
- (3503) Brandt