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Discovery and designation
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| Discovered by | T. Niijima and T. Urata |
| Discovery site | Ojima |
| Discovery date | March 17, 1991 |
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Designations
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| MPC designation | 17472 |
| Alternate name(s) | 1991 FY |
| Epoch May 14, 2008 | |
| Ap | 2.4693374 |
| Peri | 2.2027138 |
| Eccentricity | 0.0570678 |
| Orbital period | 1304.1118574 |
| Mean anomaly | 339.85305 |
| Inclination | 8.36507 |
| Longitude of ascending node | 137.79190 |
| Argument of peri | 341.20318 |
| Absolute magnitude (H) | 13.8 |
17472 Dinah (1991 FY) is a main-belt asteroid discovered on March 17, 1991 by T. Niijima and T. Urata at Ojima.
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