Discovered by Reinmuth, K. Observation arc 86.51 yr (31598 days) Absolute magnitude 11.2 Discoverer Karl Wilhelm Reinmuth | Discovery date 29 September 1929 Discovered 29 September 1929 Orbits Sun Asteroid group Asteroid belt | |
Aphelion 3.4484512 AU (515.88096 Gm) Perihelion 2.9030088 AU (434.28394 Gm) Semi-major axis 3.175730 AU (475.0824 Gm) Discovery site Landessternwarte Heidelberg-Königstuhl Similar 1111 Reinmuthia, 1102 Pepita, 1056 Azalea, 1862 Apollo, Sun | ||
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. Later named for the region in eastern Greece.
References
1161 Thessalia Wikipedia(Text) CC BY-SA