(21513) Bethcochran Main-belt Asteroid
Discovered on 22 May 1998 by LINEAR at Socorro.
Elizabeth Jean Cochran (b. 1989) was awarded first place in the 2005 Intel International Science and Engineering Fair for her microbiology team project. She attends the Cheyenne Central High School, Cheyenne, Wyoming, U.S.A.Naming citation (20050822/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Bethcochran is today
Seen from above the solar system on 2026-10-14: Bethcochran is 2.39 au from the Sun and 2.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21513 |
| Provisional designation | 1998 KM46 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.48 |
| Orbital period | 3.47 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 2.12 – 2.47 au |
| Eccentricity | 0.0757 |
| Inclination | 6.17° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Elizabeth
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- (15118) Elizabethsears
- (15543) Elizateel
- (15566) Elizabethbaker
- (16192) Laird
- (16962) Elizawoolard
- (18785) Betsywelsh
- (19023) Varela
All asteroids named after someone called Elizabeth
Also discovered on 22 May 1998
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- (12529) Reighard
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- (12861) Wacker