(2375) Radek
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Asteroid (2375) Radek |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3.1823 ± 0.00002 AU |
| eccentricity | 0.2103 ± 0.0004 |
| Perihelion - aphelion | 2.5131 ± 0.0012 AU - 3.8515 ± 0.00002 AU |
| Inclination of the orbit plane | 14.9776 ± 0.0469 ° |
| Length of the ascending node | 110.7072 ± 0.1729 ° |
| Argument of the periapsis | 101.6598 ± 0.2063 ° |
| Time of passage of the perihelion | August 25, 2021 |
| Sidereal period | 5.68 a ± 0.1756 d |
| Physical Properties | |
| Medium diameter | 32.744 ± 0.260 km |
| Albedo | 0.111 ± 0.015 |
| Rotation period | 16.875 h |
| Absolute brightness | 10.61 mag |
| Spectral class | D. |
| history | |
| Explorer | Luboš Kohoutek |
| Date of discovery | January 8, 1975 |
| Another name | 1975 AA ; 1937 LH; 1947 BK; 1948 JP; 1951 YR; 1954 MN; 1954 MX; 1957 YB; 1975 AT; 1981 AO |
| 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. | |
(2375) Radek ( 1975 AA ; 1937 LH ; 1947 BK ; 1948 JP ; 1951 YR ; 1954 MN ; 1954 MX ; 1957 YB ; 1975 AT ; 1981 AO ) is an asteroid of the outer main belt approximately 33 kilometers in size . January 1975 by the Czech astronomer Luboš Kohoutek at the Hamburg observatory in Hamburg-Bergedorf ( IAU code 029).
designation
(2375) Radek was named by the discoverer Luboš Kohoutek after his brother Ctirad Kohoutek (1929–2011). Ctirad Kohoutek was a Czech composer and professor of music in Brno and Prague and director of the Czech Philharmonic .
See also
Web links
- (2375) Radek in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2375) Radek 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 5, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1975 AA. Discovered 1975 Jan. 8 by L. Kohoutek at Bergedorf. "