21520 Dianaeheart
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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 | May 23, 1998 |
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Designations
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| MPC designation | 21520 |
| Alternative names[1] | 1998 KR55 |
| Epoch May 14, 2008 | |
| Ap | 3.1037986 |
| Peri | 2.8401016 |
| Eccentricity | 0.0443643 |
| Orbital period | 1871.3745043 |
| Mean anomaly | 317.82024 |
| Inclination | 9.22422 |
| Longitude of ascending node | 159.89569 |
| Argument of peri | 119.26968 |
| Absolute magnitude | 14.3 |
21520 Dianaeheart (1998 KR55) is a Main-belt Asteroid discovered on May 23, 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
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