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Discovery and designation
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| Discovered by | E. W. Elst |
| Discovery site | European Southern Observatory |
| Discovery date | April 17, 1996 |
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Designations
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| MPC designation | 23617 |
| Named after | Daugava River |
| Alternate name(s) | 1996 HM13 |
| Epoch May 14, 2008 | |
| Ap | 3.5580201 |
| Peri | 2.8314165 |
| Eccentricity | 0.1137195 |
| Orbital period | 2085.6780313 |
| Mean anomaly | 215.66957 |
| Inclination | 17.30791 |
| Longitude of ascending node | 211.37288 |
| Argument of peri | 192.45978 |
| Absolute magnitude (H) | 12.7 |
23617 Duna (1996 HM13) is a main-belt asteroid discovered on April 17, 1996 by E. W. Elst at the European Southern Observatory.
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