|
Discovery and designation
|
|
|---|---|
| Discovered by | Spacewatch |
| Discovery site | Kitt Peak |
| Discovery date | September 20, 1998 |
|
Designations
|
|
| MPC designation | 12561 |
| Alternate name(s) | 1998 SX7 |
| Epoch May 14, 2008 | |
| Ap | 3.5227235 |
| Peri | 2.7001449 |
| Eccentricity | 0.1321864 |
| Orbital period | 2004.6536922 |
| Mean anomaly | 65.50918 |
| Inclination | 0.76642 |
| Longitude of ascending node | 43.12833 |
| Argument of peri | 155.84248 |
| Absolute magnitude (H) | 12.5 |
12561 Howard (1998 SX7) is a main-belt asteroid discovered on September 20, 1998 by Spacewatch at Kitt Peak. This asteroid was named for Ron Howard, American actor, director and producer.