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Discovery and designation
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| Discovered by | Carolyn S. Shoemaker |
| Discovery site | Palomar |
| Discovery date | May 9, 1988 |
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Designations
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| MPC designation | 4451 |
| Alternate name(s) | 1988 JJ |
| Epoch May 14, 2008 | |
| Ap | 3.6077307 |
| Peri | 1.5965593 |
| Eccentricity | 0.3864449 |
| Orbital period | 1533.1889410 |
| Mean anomaly | 223.59993 |
| Inclination | 27.75406 |
| Longitude of ascending node | 219.56012 |
| Argument of peri | 109.99817 |
| Absolute magnitude (H) | 12.2 |
4451 Grieve (1988 JJ) is a Mars-crossing asteroid discovered on May 9, 1988 by Carolyn S. Shoemaker at Palomar.
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