1161 Thessalia

1161 Thessalia [1]
Discovery
Discovered by Reinmuth, K.
Discovery date 29 September 1929
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 86.51 yr (31598 days)
Aphelion 3.4484512 AU (515.88096 Gm)
Perihelion 2.9030088 AU (434.28394 Gm)
3.175730 AU (475.0824 Gm)
Eccentricity 0.0858767
5.66 yr (2067.1 d)
144.90560°
0° 10m 26.962s / day
Inclination 9.369499°
72.76895°
307.66332°
Earth MOID 1.91736 AU (286.833 Gm)
Jupiter MOID 1.9985 AU (298.97 Gm)
Jupiter Tisserand parameter 3.174
Physical characteristics
Mean radius
 15.185±1.25 km
0.0439±0.008
11.2

    1161 Thessalia is a main belt asteroid orbiting the Sun. Approximately 30 kilometers in diameter, it makes a revolution around the Sun once every 6 years. It was discovered by Karl Wilhelm Reinmuth at Heidelberg, Germany on September 29, 1929. Its provisional designation was 1929 SF.[1] Later named for the region in eastern Greece.[2]

    References

    1. 1 2 3 "JPL Small-Body Database Browser". Retrieved 1 May 2016.
    2. ↑ Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. ISBN 3-540-00238-3.

    External links

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