21431 Amberhess
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Discovery and designation
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| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | March 31, 1998 |
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Designations
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| MPC designation | 21431 |
| Alternative names[1] | 1998 FR113 |
| Epoch May 14, 2008 | |
| Ap | 2.6009032 |
| Peri | 2.0800048 |
| Eccentricity | 0.1112815 |
| Orbital period | 1307.8218938 |
| Mean anomaly | 236.41528 |
| Inclination | 6.20138 |
| Longitude of ascending node | 248.47781 |
| Argument of peri | 18.70186 |
| Absolute magnitude | 15.4 |
21431 Amberhess (1998 FR113) is a Main-belt Asteroid discovered on March 31, 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
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