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Discovery and designation
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| Discovered by | S. Ueda & H. Kaneda | |||||||||
| Discovery date | December 4, 1991 | |||||||||
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Designations
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| MPC designation | (9961) 1991 XK | |||||||||
| Alternate name(s) | 1976 JT, 1989 BP | |||||||||
| Epoch October 27, 2007 | ||||||||||
| Ap | 2.4788999 AU | |||||||||
| Peri | 2.0017683 AU | |||||||||
| Semi-major axis | 2.2403341 AU | |||||||||
| Eccentricity | 0.1064867 | |||||||||
| Orbital period | 1224.8068709 d | |||||||||
| Mean anomaly | 175.02117° | |||||||||
| Inclination | 4.85106° | |||||||||
| Longitude of ascending node | 240.07606° | |||||||||
| Argument of peri | 290.19105° | |||||||||
| Surface temp. Kelvin Celsius |
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| Absolute magnitude (H) | 14.2 | |||||||||
(9961) 1991 XK is a main belt asteroid. It orbits the Sun once every 3.35 years.[1]
Discovered by S. Ueda & H. Kaneda on December 4, 1991, it was given the provisional designation "1991 XK".[2]
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