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Discovery and designation
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| Discovered by | S. J. Bus |
| Discovery site | Siding Spring Observatory |
| Discovery date | March 1, 1981 |
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Designations
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| MPC designation | 7159 |
| Alternate name(s) | 1981 EN17 |
| Epoch May 14, 2008 | |
| Ap | 2.6897550 |
| Peri | 1.8971342 |
| Eccentricity | 0.1728014 |
| Orbital period | 1268.6178032 |
| Mean anomaly | 102.76790 |
| Inclination | 4.57218 |
| Longitude of ascending node | 211.18752 |
| Argument of peri | 157.84004 |
| Absolute magnitude (H) | 13.8 |
7159 Bobjoseph (1981 EN17) is a main-belt asteroid discovered on March 1, 1981 by S. J. Bus at Siding Spring Observatory in the course of the U.K. Schmidt-Caltech Asteroid Survey.
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