(171153) Allanrahill Main-belt Asteroid
Discovered on 10 April 2005 by A. Lowe at Mayhill.
Allan Rahill (b. 1958) is a meteorologist at the Canadian Meteorological Centre, an amateur astronomer and accomplished optician. His astronomy forecast models feed the Clear Sky Charts, a primary planning tool for observers across North America.Naming citation (20091004/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Allanrahill is today
Seen from above the solar system on 2026-10-14: Allanrahill is 2.91 au from the Sun and 3.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 171153 |
| Provisional designation | 2005 GL81 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.57 km (#13,772 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.126 |
| Absolute magnitude (H) | 15.48 |
| Orbital period | 5.13 years |
| Semi-major axis | 2.98 au |
| Perihelion – aphelion | 2.91 – 3.04 au |
| Eccentricity | 0.0230 |
| Inclination | 10.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.90 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Allan
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- (11414) Allanchu
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- (13490) Allanchapman
- (27604) Affeldt
- (70715) Allancheuvront
- (175259) Offenberger
All asteroids named after someone called Allan
Also discovered on 10 April 2005
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