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Discovery and designation
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| Discovered by | L. Sarounova |
| Discovery site | Ondrejov |
| Discovery date | October 5, 1997 |
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Designations
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| MPC designation | 9671 |
| Named after | Hemera |
| Alternate name(s) | 1997 TU9 |
| Epoch May 14, 2008 | |
| Ap | 3.8625127 |
| Peri | 1.5518151 |
| Eccentricity | 0.4267746 |
| Orbital period | 1626.9351773 |
| Mean anomaly | 359.24918 |
| Inclination | 4.75226 |
| Longitude of ascending node | 212.76442 |
| Argument of peri | 339.81495 |
| Absolute magnitude (H) | 14.0 |
9671 Hemera (1997 TU9) is a Mars-crossing asteroid discovered on October 5, 1997 by L. Sarounova at Ondrejov.
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