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Discovery and designation
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| Discovered by | Henri Debehogne and Giovanni de Sanctis |
| Discovery site | European Southern Observatory |
| Discovery date | April 11, 1983 |
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Designations
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| MPC designation | 4993 |
| Alternate name(s) | 1983 GR |
| Epoch May 14, 2008 | |
| Ap | 2.5109254 |
| Peri | 2.2276026 |
| Eccentricity | 0.0597913 |
| Orbital period | 1332.0441613 |
| Mean anomaly | 309.23923 |
| Inclination | 6.93579 |
| Longitude of ascending node | 36.77039 |
| Argument of peri | 186.18612 |
| Absolute magnitude (H) | 13.0 |
4993 Cossard (1983 GR) is a main-belt asteroid discovered on April 11, 1983 by Henri Debehogne and Giovanni de Sanctis at the European Southern Observatory.
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