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Discovery and designation
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| Discovered by | Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels |
| Discovery site | Palomar Observatory |
| Discovery date | October 17, 1977 |
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Designations
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| MPC designation | 7447 |
| Named after | Marcus Aurelius |
| Alternate name(s) | 1142 T-3 |
| Epoch May 14, 2008 | |
| Ap | 2.6299524 |
| Peri | 2.1525522 |
| Eccentricity | 0.0998222 |
| Orbital period | 1350.6304574 |
| Mean anomaly | 161.04867 |
| Inclination | 6.66076 |
| Longitude of ascending node | 297.47790 |
| Argument of peri | 9.18620 |
| Absolute magnitude (H) | 13.3 |
7447 Marcusaurelius (1142 T-3) is a main-belt asteroid discovered on October 17, 1977 by Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels at Palomar Observatory.
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