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)
Semi-major axis	3.175730 AU (475.0824 Gm)
Eccentricity	0.0858767
Orbital period	5.66 yr (2067.1 d)
Mean anomaly	144.90560°
Mean motion	0° 10^m 26.962^s / day
Inclination	9.369499°
Longitude of ascending node	72.76895°
Argument of perihelion	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
Geometric albedo	0.0439±0.008
Absolute magnitude (H)	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. "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

• 1161 Thessalia at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters