(2444) Lederle
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Asteroid (2444) Lederle |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.7281 ± 0.0001 AU |
| eccentricity | 0.132 ± 0.0005 |
| Perihelion - aphelion | 2.368 ± 0.0013 AU - 3.0882 ± 0.0002 AU |
| Inclination of the orbit plane | 15.1217 ± 0.0458 ° |
| Length of the ascending node | 286.1203 ± 0.2113 ° |
| Argument of the periapsis | 142.2336 ± 0.2965 ° |
| Time of passage of the perihelion | March 7, 2019 |
| Sidereal period | 4.51 a ± 0.1204 d |
| Physical Properties | |
| Medium diameter | 29.925 ± 0.153 km |
| Albedo | 0.050 ± 0.011 |
| Rotation period | 17.85 h |
| Absolute brightness | 11.8 mag |
| Spectral class | SMASSII: C |
| history | |
| Explorer |
 Karl Wilhelm Reinmuth
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| Date of discovery | February 5, 1934 |
| Another name | 1934 CD ; 1975 DC; 1975 GO 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. | |
(2444) Lederle ( 1934 CD ; 1975 DC ; 1975 GO 1 ) is an approximately thirty kilometers large asteroid of the central main belt , which was discovered on February 5, 1934 by the German (then Nazi state ) astronomer Karl Wilhelm Reinmuth at the State Observatory Heidelberg- Königstuhl was discovered on the western summit of the Königstuhl near Heidelberg ( IAU code 024).
designation
(2444) Lederle was named after the astronomer Trudpert Lederle (1922–2002) who worked at the Astronomical Computing Institute from 1942 . He was mainly engaged in star catalogs and researched the movement of the asteroid (1036) Ganymede .
See also
Web links
- (2444) Lederle in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2444) Lederle in the Small-Body Database of the Jet Propulsion Laboratory .
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 12, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1934 CD. Discovered 1934 Feb. 5 by K. Reinmuth at Heidelberg. "