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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 | September 7, 1999 |
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Designations
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| MPC designation | 22838 |
| Alternate name(s) | 1999 RF91 |
| Epoch May 14, 2008 | |
| Ap | 2.9931813 |
| Peri | 2.5722059 |
| Eccentricity | 0.0756417 |
| Orbital period | 1695.4950273 |
| Mean anomaly | 280.34856 |
| Inclination | 4.88207 |
| Longitude of ascending node | 156.88938 |
| Argument of peri | 239.87458 |
| Absolute magnitude (H) | 14.9 |
22838 Darcyhampton (1999 RF91) is a main-belt asteroid discovered on September 7, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
http://www.ll.mit.edu/outreach/2006honorees.html#D 22838) Darcyhampton Discovered 1999 Sept. 7 by MIT Lincoln Laboratory's Near-Earth Asteroid Research program.
It was named after Darcy Hampton, a recipient of the Presidential Award for Excellence in Mathematics and Science Teaching for mentoring a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Alice Deal Middle School, Washington, District of Columbia.
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