(21939) Kasmith Main-belt Asteroid
Discovered on 4 November 1999 by LINEAR at Socorro.
Katherine Ann Smith (b. 1991) is a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her biochemistry, medicine, health, & microbiology project. She attends the Stone Middle School, Melbourne, Florida.Naming citation (20051019/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kasmith is today
Seen from above the solar system on 2026-10-14: Kasmith is 2.96 au from the Sun and 3.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21939 |
| Provisional designation | 1999 VJ89 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.04 |
| Orbital period | 4.98 years |
| Semi-major axis | 2.92 au |
| Perihelion – aphelion | 2.83 – 3.00 au |
| Eccentricity | 0.0287 |
| Inclination | 1.49° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Katherine
- (9477) Kefennell
- (12986) Kretke
- (13275) Kathgoetz
- (17218) Stgeorge
- (17980) Vanschaik
- (18787) Kathermann
- (18992) Katharvard
- (20281) Kathartman
- (20791) de Kleer
- (23875) Strube
- (24119) Katherinrose
- (24385) Katcagen
All asteroids named after someone called Katherine
Also discovered on 4 November 1999
- (13434) Adamquade
- (13435) Rohret
- (13825) Booth
- (16102) Barshannon
- (20686) Thottumkara
- (20687) Saletore
- (20688) Sandroricardo
- (20689) Zhuyuanchen
- (20690) Crivello
- (21924) Alyssaovaitt
- (21925) Supasternak
- (21926) Jacobperry