21416 Sisichen
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Discovery and designation
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| Discovered by | Lincoln Near-Earth Asteroid Research |
| Discovery site | Socorro |
| Discovery date | March 20, 1998 |
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Designations
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| MPC designation | 21416 |
| Alternative names[1] | 1998 FN70 |
| Epoch May 14, 2008 | |
| Aphelion | 2.7798222 |
| Perihelion | 2.0484698 |
| Eccentricity | 0.1514723 |
| Orbital period | 1370.0730603 |
| Mean anomaly | 137.77330 |
| Inclination | 6.51516 |
| Longitude of ascending node | 30.88833 |
| Argument of perihelion | 292.40797 |
| Absolute magnitude | 14.8 |
21416 Sisichen (1998 FN70) is a Main-belt Asteroid discovered on March 20, 1998 by the Lincoln Near-Earth Asteroid Research (LINEAR) team at Socorro.
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