4677 Hiroshi
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Discovery and designation
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| Discovered by | Takahashi and Watanabe |
| Discovery site | Kitami |
| Discovery date | September 26, 1990 |
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Designations
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| MPC designation | 4677 |
| Alternative names[1] | 1990 SQ4 |
| Epoch May 14, 2008 | |
| Ap | 3.7369699 |
| Peri | 2.5350449 |
| Eccentricity | 0.1916330 |
| Orbital period | 2028.4487686 |
| Mean anomaly | 15.63647 |
| Inclination | 0.48317 |
| Longitude of ascending node | 12.14126 |
| Argument of peri | 55.15699 |
| Absolute magnitude | 12.0 |
4677 Hiroshi (1990 SQ4) is a Main-belt Asteroid discovered on September 26, 1990 by Takahashi and Watanabe at Kitami.
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