(22791) Twarog Main-belt Asteroid
Discovered on 14 June 1999 by G. Bell at Eskridge.
Bruce Twarog (b. 1952), a professor at the University of Kansas, has studied globular clusters, open clusters, halo objects and stellar and cluster photometry. He has increased the understanding of the formation and evolution of the galactic disk, as well as of halo objects and their relationship to the galactic disk.Naming citation (20010705/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Twarog is today
Seen from above the solar system on 2026-10-14: Twarog is 2.58 au from the Sun and 3.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22791 |
| Provisional designation | 1999 LL7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.05 km (#16,988 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.201 |
| Rotation period | 19.7 hours |
| Absolute magnitude (H) | 15.81 |
| Orbital period | 3.19 years |
| Semi-major axis | 2.17 au |
| Perihelion – aphelion | 1.73 – 2.60 au |
| Eccentricity | 0.201 |
| Inclination | 2.79° |
| Closest distance between its orbit and Earth's (MOID) | 0.726 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Bruce
- (5061) McIntosh
- (6313) Tsurutani
- (9391) Slee
- (9660) Brucewillis
- (10086) McCurdy
- (11679) Brucebaker
- (14332) Brucebarnett
- (16051) Bernero
- (17262) Winokur
- (20274) Halperin
- (21430) Brubrew
- (21683) Segal
All asteroids named after someone called Bruce