6978 Hironaka
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Discovery and designation
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| Discovered by | K. Endate and K. Watanabe |
| Discovery site | Kitami |
| Discovery date | September 12, 1993 |
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Designations
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| MPC designation | 6978 |
| Alternative names[1] | 1993 RD |
| Epoch May 14, 2008 | |
| Ap | 3.0050555 |
| Peri | 2.1217521 |
| Eccentricity | 0.1722911 |
| Orbital period | 1499.0771306 |
| Mean anomaly | 264.07342 |
| Inclination | 7.47159 |
| Longitude of ascending node | 339.26202 |
| Argument of peri | 302.02261 |
| Absolute magnitude | 13.1 |
6978 Hironaka (1993 RD) is a Main-belt Asteroid discovered on September 12, 1993 by K. Endate and K. Watanabe at Kitami.
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