(12517) Grayzeck Main-belt Asteroid
Discovered on 30 April 1998 by LONEOS at Anderson Mesa.
After years of research in galactic structure, Edwin J. Grayzeck (b. 1945) became an expert on archiving technology and for more than a decade has been the archive manager for the Small Bodies Node of NASA's Planetary Data System at the University of Maryland. The name was suggested by M. F. A'Hearn.Naming citation (20020724/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Grayzeck is today
Seen from above the solar system on 2026-10-14: Grayzeck is 2.33 au from the Sun and 3.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12517 |
| Provisional designation | 1998 HD52 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.08 |
| Orbital period | 3.60 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 1.89 – 2.81 au |
| Eccentricity | 0.194 |
| Inclination | 0.660° |
| Closest distance between its orbit and Earth's (MOID) | 0.878 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 30 April 1998
- (9127) Brucekoehn
- (9128) Takatumuzi
- (12515) Suiseki
- (13235) Isiguroyuki
- (19470) Wenpingchen
- (21459) Chrisrussell
- (21460) Ryozo
- (22577) Alfiuccio
- (23727) Akihasan