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Discovery and designation
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| Discovered by | C. Torres |
| Discovery site | Cerro El Roble |
| Discovery date | April 22, 1974 |
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Designations
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| MPC designation | 2976 |
| Named after | Lautaro |
| Alternate name(s) | 1974 HR |
| Epoch May 14, 2008 | |
| Ap | 3.8196288 |
| Peri | 2.8608990 |
| Eccentricity | 0.1435111 |
| Orbital period | 2229.8188848 |
| Mean anomaly | 354.23319 |
| Inclination | 9.80854 |
| Longitude of ascending node | 207.03477 |
| Argument of peri | 182.42370 |
| Geometric albedo | 0.0522 |
| Absolute magnitude (H) | 10.90 |
2976 Lautaro (1974 HR) is an outer main-belt asteroid discovered on April 22, 1974 by C. Torres at Cerro El Roble.
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