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Discovery and designation
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| Discovered by | E. W. Elst |
| Discovery site | Haute-Provence Observatory |
| Discovery date | September 2, 1989 |
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Designations
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| MPC designation | 11499 |
| Named after | Marguerite Duras |
| Alternate name(s) | 1989 RL |
| Epoch May 14, 2008 | |
| Ap | 2.6248369 |
| Peri | 1.8183583 |
| Eccentricity | 0.1815087 |
| Orbital period | 1209.4739709 |
| Mean anomaly | 233.24438 |
| Inclination | 3.09370 |
| Longitude of ascending node | 176.89261 |
| Argument of peri | 155.43917 |
| Absolute magnitude (H) | 14.8 |
11499 Duras (1989 RL) is a main-belt asteroid discovered on September 2, 1989 by E. W. Elst at Haute-Provence Observatory.
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