(21485) Ash Main-belt Asteroid
Discovered on 20 April 1998 by LINEAR at Socorro.
Lesley Elizabeth Ash (b. 1987) was awarded first place and Best in Category in the 2005 Intel International Science and Engineering Fair for her zoology project. She attends the Tucson Magnet High School, Tucson, Arizona, U.S.A.Naming citation (20050822/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Ash as a baby name🐶 Ash as a dog name🐱 Ash as a cat name
Where Ash is today
Seen from above the solar system on 2026-10-14: Ash is 2.63 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21485 |
| Provisional designation | 1998 HV137 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.19 km (#16,793 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.368 |
| Rotation period | 12.3 hours |
| Absolute magnitude (H) | 15.23 |
| Orbital period | 3.61 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 2.06 – 2.65 au |
| Eccentricity | 0.125 |
| Inclination | 6.81° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 April 1998
- (9461) Cotingkeh
- (9463) Criscione
- (11706) Rijeka
- (11710) Nataliehale
- (12086) Joshualevine
- (12087) Tiffanylin
- (12088) Macalintal
- (12089) Maichin
- (12514) Schommer
- (12516) Karenyoung
- (12855) Tewksbury
- (16944) Wangler