8516 Hyakkai
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Discovery and designation
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| Discovered by | T. Hioki and S. Hayakawa |
| Discovery site | Okutama |
| Discovery date | October 13, 1991 |
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Designations
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| MPC designation | 8516 |
| Alternative names[1] | 1991 TW1 |
| Epoch May 14, 2008 | |
| Ap | 3.2022295 |
| Peri | 2.3090671 |
| Eccentricity | 0.1620603 |
| Orbital period | 1670.8371070 |
| Mean anomaly | 215.48383 |
| Inclination | 5.86057 |
| Longitude of ascending node | 51.72364 |
| Argument of peri | 346.41862 |
| Absolute magnitude | 13.2 |
8516 Hyakkai (1991 TW1) is a Main-belt Asteroid discovered on October 13, 1991 by T. Hioki and S. Hayakawa at Okutama.
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