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Discovery and designation
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| Discovered by | R. H. McNaught |
| Discovery site | Siding Spring |
| Discovery date | August 26, 1989 |
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Designations
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| MPC designation | 4713 |
| Named after | Duncan Steel |
| Alternate name(s) | 1989 QL |
| Epoch May 14, 2008 | |
| Ap | 2.0686264 |
| Peri | 1.7841796 |
| Eccentricity | 0.0738285 |
| Orbital period | 976.6054172 |
| Mean anomaly | 63.27573 |
| Inclination | 22.67211 |
| Longitude of ascending node | 101.49380 |
| Argument of peri | 152.29367 |
| Absolute magnitude (H) | 12.8 |
4713 Steel (1989 QL) is an inner main-belt asteroid discovered on August 26, 1989 by R. H. McNaught at Siding Spring and named after the space scientist Duncan Steel.
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