12722 Petrarca
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Discovery and designation
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| Discovered by | E. W. Elst |
| Discovery site | European Southern Observatory |
| Discovery date | August 10, 1991 |
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Designations
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| MPC designation | 12722 |
| Alternative names[1] | 1991 PT1 |
| Epoch May 14, 2008 | |
| Ap | 2.6474369 |
| Peri | 1.9714765 |
| Eccentricity | 0.1463462 |
| Orbital period | 1281.9266503 |
| Mean anomaly | 351.10149 |
| Inclination | 3.34133 |
| Longitude of ascending node | 191.34200 |
| Argument of peri | 38.66492 |
| Absolute magnitude | 14.6 |
12722 Petrarca (1991 PT1) is a Main-belt Asteroid discovered on August 10, 1991 by E. W. Elst at the European Southern Observatory.
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