(20217) Kathyclemmer Main-belt Asteroid
Discovered on 3 April 1997 by LINEAR at Socorro.
Kathy Clemmer mentored a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors. She teaches at the El Segundo High School, El Segundo, California.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kathyclemmer is today
Seen from above the solar system on 2026-10-14: Kathyclemmer is 2.80 au from the Sun and 1.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20217 |
| Provisional designation | 1997 GK33 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.29 km (#7,317 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.210 |
| Absolute magnitude (H) | 13.36 |
| Orbital period | 5.29 years |
| Semi-major axis | 3.04 au |
| Perihelion – aphelion | 2.79 – 3.28 au |
| Eccentricity | 0.0816 |
| Inclination | 7.97° |
| Closest distance between its orbit and Earth's (MOID) | 1.80 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Kathy
- (11708) Kathyfries
- (13313) Kathypeng
- (14708) Slaven
- (22153) Kathbarnhart
- (22165) Kathydouglas
- (23010) Kathyfinch
- (27296) Kathyhurd
- (27930) Nakamatsu
- (30000) Camenzind
- (32048) Kathyliu
- (33255) Kathybush
All asteroids named after someone called Kathy
Also discovered on 3 April 1997
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- (15890) Prachatice
- (20212) Ekbaltouma
- (20218) Dukewriter
- (21358) Mijerbarany
- (22480) Maedatoshihisa
- (22481) Zachlynn
- (22482) Michbertier
- (23679) Andrewmoore
- (23680) Kerryking
- (24927) Brianpalmer
- (24928) Susanbehel