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Discovery and designation
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| Discovered by | S. Arend |
| Discovery site | Uccle |
| Discovery date | September 16, 1950 |
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Designations
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| MPC designation | 1613 |
| Alternate name(s) | 1950 SD |
| Epoch May 14, 2008 | |
| Ap | 3.4545825 |
| Peri | 2.0273033 |
| Eccentricity | 0.2603628 |
| Orbital period | 1657.4803886 |
| Mean anomaly | 207.96904 |
| Inclination | 7.96964 |
| Longitude of ascending node | 320.89870 |
| Argument of peri | 126.44574 |
| Geometric albedo | 0.0883 |
| Absolute magnitude (H) | 11.63 |
1613 Smiley (1950 SD) is a main-belt asteroid discovered on September 16, 1950 by S. Arend at Uccle.
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