(315174) Sellek Main-belt Asteroid
Discovered on 20 March 2007 by CSS at Catalina.
Douglas J. Sellek (1945-1996) was a middle-school science teacher and an advocate of the sciences. He fostered creativity, curiosity and an understanding of the scientific method in his students and those around him. He would often hold public star parties at the school, showing the night sky to students and parents alike.Naming citation (MPC batch dated 2013-10-18), IAU / Minor Planet Center, via NASA/JPL
Where Sellek is today
Seen from above the solar system on 2026-10-14: Sellek is 3.82 au from the Sun and 2.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 315174 |
| Provisional designation | 2007 HG5 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.1 |
| Orbital period | 5.64 years |
| Semi-major axis | 3.17 au |
| Perihelion – aphelion | 2.45 – 3.88 au |
| Eccentricity | 0.225 |
| Inclination | 16.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.45 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Douglas
- (12494) Doughamilton
- (13358) Revelle
- (17925) Dougweinberg
- (18774) Lavanture
- (19433) Naftz
- (21527) Horton
- (25133) Douglin
- (29980) Dougsimons
- (65657) Hube
- (128795) Douglaswalker
- (151657) Finkbeiner
- (170022) Douglastucker
All asteroids named after someone called Douglas