19640 Ethanroth
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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 | 19640 |
| Alternative names[1] | 1999 RP89 |
| Epoch May 14, 2008 | |
| Ap | 3.1456688 |
| Peri | 2.3678454 |
| Eccentricity | 0.1410758 |
| Orbital period | 1671.8455954 |
| Mean anomaly | 224.16947 |
| Inclination | 3.43979 |
| Longitude of ascending node | 147.22342 |
| Argument of peri | 323.62030 |
| Absolute magnitude | 14.6 |
19640 Ethanroth (1999 RP89) is a Main-belt Asteroid discovered on September 7, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
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