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Discovery and designation
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| Discovered by | F. Borngen | |||||||||
| Discovery date | December 28, 1991 | |||||||||
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Designations
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| MPC designation | 9962 Pfau | |||||||||
| Alternate name(s) | 1991 YL1, 1996 FJ3, 1996 HN26 | |||||||||
| Epoch October 27, 2007 | ||||||||||
| Ap | 2.7171403 AU | |||||||||
| Peri | 2.0499971 AU | |||||||||
| Semi-major axis | 2.3835687 AU | |||||||||
| Eccentricity | 0.1399463 | |||||||||
| Orbital period | 1344.1258675 d | |||||||||
| Mean anomaly | 64.90894° | |||||||||
| Inclination | 0.79066° | |||||||||
| Longitude of ascending node | 312.93406° | |||||||||
| Argument of peri | 200.17947° | |||||||||
| Dimensions | ~19.5 km[1] | |||||||||
| Surface temp. Kelvin Celsius |
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| Absolute magnitude (H) | 14.6 | |||||||||
9962 Pfau is a main belt asteroid. It orbits the Sun once every 3.68 years.[2]
Discovered on December 28, 1991 by F. Borngen, it was given the provisional designation "1991 YL1". It was later renamed "Pfau" after Werner Pfau, a former director of the Jena University Observatory and former chairman of the Astronomische Gesellschaft.[3]
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