5686 Chiyonoura
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Discovery and designation
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| Discovered by | Matsuyama and Watanabe |
| Discovery site | Kushiro |
| Discovery date | December 20, 1990 |
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Designations
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| MPC designation | 5686 |
| Alternative names[1] | 1990 YQ |
| Epoch May 14, 2008 | |
| Ap | 2.8815336 |
| Peri | 1.8867492 |
| Eccentricity | 0.2086253 |
| Orbital period | 1344.6102810 |
| Mean anomaly | 298.13874 |
| Inclination | 1.45207 |
| Longitude of ascending node | 207.40586 |
| Argument of peri | 195.44398 |
| Absolute magnitude | 13.8 |
5686 Chiyonoura (1990 YQ) is a Main-belt Asteroid discovered on December 20, 1990 by Matsuyama and Watanabe at Kushiro.
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