(7005) Henninghaack Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Henning Haack (b. 1961) is curator of meteorites at the Geological Museum in Copenhagen. His research includes the timing of formation, cooling history and parent body structures of iron meteorites.Naming citation (20060809/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Henninghaack is today
Seen from above the solar system on 2026-10-14: Henninghaack is 2.30 au from the Sun and 3.25 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7005 |
| Provisional designation | 1981 ET25 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.16 km (#14,802 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.405 |
| Rotation period | 12.9 hours |
| Absolute magnitude (H) | 14.35 |
| Orbital period | 3.76 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.18 – 2.66 au |
| Eccentricity | 0.0990 |
| Inclination | 6.17° |
| Closest distance between its orbit and Earth's (MOID) | 1.17 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 March 1981
- (2884) Reddish
- (2919) Dali
- (2980) Cameron
- (2981) Chagall
- (2990) Trimberger
- (3000) Leonardo
- (3121) Tamines
- (3122) Florence
- (3207) Spinrad
- (3252) Johnny
- (3304) Pearce
- (3524) Schulz