21554 Leechaohsi
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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 | August 24, 1998 |
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Designations
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| MPC designation | 21554 |
| Alternative names[1] | 1998 QR69 |
| Epoch May 14, 2008 | |
| Ap | 3.7868566 |
| Peri | 2.4839748 |
| Eccentricity | 0.2077686 |
| Orbital period | 2027.8747152 |
| Mean anomaly | 334.94013 |
| Inclination | 15.52986 |
| Longitude of ascending node | 229.00280 |
| Argument of peri | 19.66853 |
| Absolute magnitude | 13.0 |
21554 Leechaohsi (1998 QR69) is a Main-belt Asteroid discovered on August 24, 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
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