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Discovery and designation
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| Discovered by | W. Landgraf | |||||||||
| Discovery date | May 18, 1988 | |||||||||
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Designations
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| MPC designation | 9938 Kretlow | |||||||||
| Alternate name(s) | 1988 KA, 1982 VE2, 1985 QL | |||||||||
| Epoch October 27, 2007 | ||||||||||
| Ap | 2.5460669 AU | |||||||||
| Peri | 1.7334961 AU | |||||||||
| Semi-major axis | 2.1397815 AU | |||||||||
| Eccentricity | 0.1898724 | |||||||||
| Orbital period | 1143.2799024 d | |||||||||
| Mean anomaly | 53.48047° | |||||||||
| Inclination | 3.80361° | |||||||||
| Longitude of ascending node | 86.17411° | |||||||||
| Argument of peri | 222.71735° | |||||||||
| Dimensions | ~13.5 km[1] | |||||||||
| Geometric albedo | ~0.01 | |||||||||
| Surface temp. Kelvin Celsius |
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| Absolute magnitude (H) | 13.8 | |||||||||
9938 Kretlow is a main belt asteroid. It orbits the Sun once every 3.13 years.[2]
Discovered on May 18, 1988 by W. Landgraf at the European Southern Observatory, it was given the provisional designation "1988 KA". It was later renamed "Kretlow" after Mike Kretlow, a student at the University of Siegen who studied comets and a longtime friend of the discoveror of 9938 Kretlow.[3]
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