(175259) Offenberger Main-belt Asteroid
Discovered on 10 May 2005 by B. Christophe at Saint-Sulpice.
Allan Offenberger (b. 1938), a retired physicist and professor emeritus at the University of Alberta, was the discoverer's thesis advisor. His principal research was on laser plasma interactions. He now promotes the creation of an “Alberta-Canada Fusion Energy Institute” for developing long-lasting clean-energy sources.Naming citation (20080819/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Offenberger is today
Seen from above the solar system on 2026-10-14: Offenberger is 3.92 au from the Sun and 4.88 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 175259 |
| Provisional designation | 2005 JH91 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.88 km (#9,107 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0350 |
| Absolute magnitude (H) | 15.68 |
| Orbital period | 5.58 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.37 – 3.92 au |
| Eccentricity | 0.246 |
| Inclination | 10.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.40 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Allan
- (9963) Sandage
- (11414) Allanchu
- (11697) Estrella
- (13490) Allanchapman
- (27604) Affeldt
- (70715) Allancheuvront
- (171153) Allanrahill
All asteroids named after someone called Allan