|
Discovery and designation
|
|
|---|---|
| Discovered by | Beijing Schmidt CCD Asteroid Program |
| Discovery site | Xinglong |
| Discovery date | January 6, 1999 |
|
Designations
|
|
| MPC designation | 28242 |
| Alternate name(s) | 1999 AT22 |
| Epoch May 14, 2008 | |
| Ap | 2.7385898 |
| Peri | 2.1449004 |
| Eccentricity | 0.1215707 |
| Orbital period | 1393.6346126 |
| Mean anomaly | 211.93399 |
| Inclination | 3.87162 |
| Longitude of ascending node | 236.49475 |
| Argument of peri | 176.76232 |
| Absolute magnitude (H) | 15.0 |
28242 Mingantu (1999 AT22) is a main-belt asteroid discovered on January 6, 1999 by the Beijing Schmidt CCD Asteroid Program at Xinglong.