|
Discovery and designation
|
|
|---|---|
| Discovered by | Kushida and Muramatsu |
| Discovery site | Yatsugatake |
| Discovery date | April 1, 1989 |
|
Designations
|
|
| MPC designation | 4640 |
| Alternate name(s) | 1989 GA |
| Epoch May 14, 2008 | |
| Ap | 2.4963923 |
| Peri | 2.0066771 |
| Eccentricity | 0.1087514 |
| Orbital period | 1234.0035435 |
| Mean anomaly | 300.80851 |
| Inclination | 4.21400 |
| Longitude of ascending node | 347.83803 |
| Argument of peri | 137.96913 |
| Absolute magnitude (H) | 13.1 |
4640 Hara (1989 GA) is a main-belt asteroid discovered on April 1, 1989 by Kushida and Muramatsu at Yatsugatake.