(20834) Allihewlett Main-belt Asteroid
Discovered on 24 October 2000 by LINEAR at Socorro.
Allison Hewlett (b. 1986) was awarded first place and Best in Category in the 2004 Intel International Science and Engineering Fair for her gerontology project. She attends the Christian Academy of Louisville, Louisville, Kentucky, U.S.A.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Allihewlett is today
Seen from above the solar system on 2026-10-14: Allihewlett is 2.52 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20834 |
| Provisional designation | 2000 UM48 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.75 km (#15,747 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.414 |
| Absolute magnitude (H) | 14.69 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.89 – 2.68 au |
| Eccentricity | 0.171 |
| Inclination | 5.78° |
| Closest distance between its orbit and Earth's (MOID) | 0.919 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Allison
- (14224) Gaede
- (16185) Allisonjia
- (19439) Allisontjong
- (20092) Allisonmcgraw
- (20852) Allilandstrom
- (21694) Allisowilson
- (21727) Rhines
- (22174) Allisonmae
- (24274) Alliswheeler
- (25364) Allisonbaas
- (25914) Bair
- (31597) Allisonmarie
All asteroids named after someone called Allison
Also discovered on 24 October 2000
- (19855) Borisalexeev
- (19860) Anahtar
- (19861) Auster
- (20821) Balasridhar
- (20822) Lintingnien
- (20823) Liutingchun
- (20828) Linchen
- (20830) Luyajia
- (20831) Zhangyi
- (20832) Santhikodali
- (20835) Eliseadcock
- (20836) Marilytedja