(2560) Siegma
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Asteroid (2560) Siegma |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Asteroid family | Lydia family |
| Major semi-axis | 2.7493 ± 0.00001 AU |
| eccentricity | 0.035 ± 0.0004 |
| Perihelion - aphelion | 2.6529 ± 0.001 AU - 2.8456 ± 0.0001 AU |
| Inclination of the orbit plane | 5.937 ± 0.0438 ° |
| Length of the ascending node | 148.4177 ± 0.3868 ° |
| Argument of the periapsis | 281.6935 ± 0.7665 ° |
| Time of passage of the perihelion | 22nd September 2017 |
| Sidereal period | 4.56 a ± 0.1096 d |
| Physical Properties | |
| Medium diameter | 17.976 ± 0.173 km |
| Albedo | 0.099 ± 0.011 |
| Rotation period | 10.309 h |
| Absolute brightness | 11.9 likes |
| Spectral class | SMASSII: Xc |
| history | |
| Explorer |
.svg){kind=small} Karl Wilhelm Reinmuth
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| Date of discovery | February 14, 1932 |
| Another name | 1932 CW ; 1950 DO 1 ; 1952 OO; 1952 RB; 1957 TH; 1962 toilet; 1973 FW 1 ; 1980 TK 15 ; 1982 BF 1 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(2560) Siegma ( 1932 CW ; 1950 DO 1 ; 1952 OO ; 1952 RB ; 1957 TH ; 1962 WC ; 1973 FW 1 ; 1980 TK 15 ; 1982 BF 1 ) is an approximately 18 kilometers large asteroid of the central main belt , of the 14 February 1932 by the German (then: Weimar Republic ) astronomer Karl Wilhelm Reinmuth at the State Observatory Heidelberg-Königstuhl on the western summit of the Königstuhl near Heidelberg ( IAU code 024). It belongs to the Lydia family, a group of asteroids named after (110) Lydia .
designation
(2560) Siegma was named after Siegfried A. Marx (1934–1995), who was director of the Karl Schwarzschild observatory in Tautenburg and professor of astronomy at the Friedrich Schiller University in Jena . The name was suggested by the German astronomer Lutz D. Schmadel .
See also
Web links
- (2560) Siegma in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2560) Siegma in the Small-Body Database of the Jet Propulsion Laboratory (English).
Individual evidence
- ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Fifth Revised and Enlarged Edition. Ed .: Lutz D. Schmadel. 5th edition. Springer Verlag , Berlin , Heidelberg 2003, ISBN 978-3-540-29925-7 , pp. 186 (English, 992 pp., Link.springer.com [ONLINE; accessed on August 21, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1932 CW. Discovered 1932 Feb. 14 by K. Reinmuth at Heidelberg. "
| predecessor | asteroid | successor |
|---|---|---|
| (2559) Svoboda | numbering | (2561) Margolin |