(33453) Townley Main-belt Asteroid
Discovered on 19 March 1999 by LINEAR at Socorro.
Townley Chisholm mentored a finalist in the 2017 Regeneron Science Talent Search, a science competition for high school seniors. He teaches at the Phillips Exeter Academy, Exeter, New Hampshire.Naming citation (MPC batch dated 2017-07-09), IAU / Minor Planet Center, via NASA/JPL
Where Townley is today
Seen from above the solar system on 2026-10-14: Townley is 2.16 au from the Sun and 2.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 33453 |
| Provisional designation | 1999 FG27 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.44 km (#16,383 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.271 |
| Absolute magnitude (H) | 15.34 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 2.07 – 2.53 au |
| Eccentricity | 0.100 |
| Inclination | 5.34° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 19 March 1999
- (11203) Danielbetten
- (11206) Bibee
- (11409) Horkheimer
- (15499) Cloyd
- (15500) Anantpatel
- (17030) Sierks
- (17039) Yeuseyenka
- (17040) Almeida
- (17041) Castagna
- (17042) Madiraju
- (17043) Santucci
- (17044) Mubdirahman