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Discovery and designation
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| Discovered by | Helin, E. F. |
| Discovery site | Palomar |
| Discovery date | February 11, 1989 |
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Designations
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| MPC designation | 5870 |
| Named after | Baltimore |
| Alternate name(s) | 1989 CC1 |
| Epoch May 14, 2008 | |
| Ap | 3.9618229 |
| Peri | 1.6188641 |
| Eccentricity | 0.4198334 |
| Orbital period | 1702.4914212 |
| Mean anomaly | 88.35472 |
| Inclination | 28.96528 |
| Longitude of ascending node | 154.17574 |
| Argument of peri | 271.57563 |
| Geometric albedo | 0.2150 |
| Absolute magnitude (H) | 12.90 |
5870 Baltimore (1989 CC1) is a Mars-crossing asteroid discovered on February 11, 1989 by Helin, E. F. at Palomar.
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