12490 Leiden
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Discovery and designation
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| Discovered by | E. W. Elst |
| Discovery site | European Southern Observatory |
| Discovery date | May 3, 1997 |
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Designations
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| MPC designation | 12490 |
| Alternative names[1] | 1997 JB13 |
| Epoch May 14, 2008 | |
| Ap | 3.5761752 |
| Peri | 2.8322654 |
| Eccentricity | 0.1160828 |
| Orbital period | 2094.9901105 |
| Mean anomaly | 345.18625 |
| Inclination | 0.94378 |
| Longitude of ascending node | 145.91068 |
| Argument of peri | 60.32887 |
| Absolute magnitude | 14.3 |
12490 Leiden (1997 JB13) is a Outer Main-belt Asteroid discovered on May 3, 1997 by E. W. Elst at the European Southern Observatory.
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