(2375) Radek

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Asteroid
(2375) Radek
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

Individual evidence

  1. ^ 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. "