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Discovery and designation
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| Discovered by | C. S. Shoemaker and E. M. Shoemaker |
| Discovery site | Palomar |
| Discovery date | July 29, 1989 |
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Designations
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| MPC designation | 9172 |
| Alternate name(s) | 1989 OB |
| Epoch May 14, 2008 | |
| Ap | 4.206739019663261 |
| Peri | 1.209507459146397 |
| Eccentricity | .5533779845956295 |
| Orbital period | 1627.800070388591 |
| Mean anomaly | 70.53624805211068 |
| Inclination | 7.846917715865157 |
| Longitude of ascending node | 287.8184761669751 |
| Argument of peri | 74.00595950912152 |
| Absolute magnitude (H) | 16.5 |
9172 Abhramu (1989 OB) is an Amor asteroid discovered on July 29, 1989 by C. S. Shoemaker and E. M. Shoemaker at Palomar.
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