4971 Hoshinohiroba
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Discovery and designation
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| Discovered by | Fujii and Watanabe |
| Discovery site | Kitami |
| Discovery date | January 30, 1989 |
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Designations
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| MPC designation | 4971 |
| Alternative names[1] | 1989 BY |
| Epoch May 14, 2008 | |
| Ap | 2.8092231 |
| Peri | 1.9582921 |
| Eccentricity | 0.1784852 |
| Orbital period | 1344.2856768 |
| Mean anomaly | 115.08152 |
| Inclination | 3.20494 |
| Longitude of ascending node | 104.79103 |
| Argument of peri | 342.50993 |
| Absolute magnitude | 13.1 |
4971 Hoshinohiroba (1989 BY) is a Main-belt Asteroid discovered on January 30, 1989 by Fujii and Watanabe at Kitami.
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