8423 Macao
| Discovery and designation | |
|---|---|
| Discovered by | Beijing Schmidt CCD Asteroid Program |
| Discovery site | Xinglong |
| Discovery date | January 11, 1997 |
| Designations | |
| MPC designation | 8423 |
| Named after | Macau |
| Alternative names | 1997 AO22 |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Ap | 3.9239733 |
| Peri | 2.3446987 |
| Eccentricity | 0.2519313 |
| Orbital period | 2026.8273115 |
| Mean anomaly | 76.73986 |
| Inclination | 2.38231 |
| Longitude of ascending node | 145.00814 |
| Argument of peri | 242.60767 |
| Physical characteristics | |
| Absolute magnitude (H) | 13.4 |
8423 Macao (1997 AO22) is a main-belt asteroid discovered on January 11, 1997 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
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