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(9942) 1989 TM1
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Discovery and designation
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| Discovered by | T. Hioki & N. Kawasato | |||||||||
| Discovery date | October 8, 1989 | |||||||||
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Designations
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| MPC designation | (9942) 1989 TM1 | |||||||||
| Epoch October 27, 2007 | ||||||||||
| Ap | 3.0292310 AU | |||||||||
| Peri | 2.1604876 AU | |||||||||
| Semi-major axis | 2.5948593 AU | |||||||||
| Eccentricity | 0.167397 | |||||||||
| Orbital period | 1526.7542693 d | |||||||||
| Mean anomaly | 89.99268° | |||||||||
| Inclination | 9.93135° | |||||||||
| Longitude of ascending node | 21.87524° | |||||||||
| Argument of peri | 38.31167° | |||||||||
| Dimensions | ~13.5 km[1] | |||||||||
| Geometric albedo | ~0.01 | |||||||||
| Surface temp. Kelvin Celsius |
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| Absolute magnitude | 13.2 | |||||||||
(9942) 1989 TM1 is a main belt asteroid. It orbits the Sun once every 4.18 years.[2]
Discovered on October 8, 1989 by T. Hioki and N. Kawasato it was given the provisional designation "1989 TM1".[3]
References
- ^ Tedesco E.F., Noah P.V., Noah M., Price S.D.. The supplemental IRAS minor planet survey (SIMPS).
- ^ 9942 (1989 TM1). JPL Small-Body Database Browser.
- ^ MPO 38160 Minor Planet Center
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