21728 Zhuzhirui
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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 9, 1999 |
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Designations
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| MPC designation | 21728 |
| Alternative names[1] | 1999 RH136 |
| Epoch May 14, 2008 | |
| Ap | 2.8153812 |
| Peri | 2.5122940 |
| Eccentricity | 0.0568892 |
| Orbital period | 1588.0348981 |
| Mean anomaly | 234.78158 |
| Inclination | 15.23787 |
| Longitude of ascending node | 150.96172 |
| Argument of peri | 315.14541 |
| Absolute magnitude | 14.6 |
21728 Zhuzhirui (1999 RH136) is a Main-belt Asteroid discovered on September 9, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
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