(2475) Semenov

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Asteroid
(2475) Semenov
Properties of the orbit ( animation )
Orbit type Outer main belt
Asteroid family Eos family
Major semi-axis 3.0393 ± 0.0002  AU
eccentricity 0.1013 ± 0.0005
Perihelion - aphelion 2.7314 ± 0.0016 AU - 3.3472 ± 0.0002 AU
Inclination of the orbit plane 9.0852 ± 0.0569 °
Length of the ascending node 209.9650 ± 0.2507 °
Argument of the periapsis 180.9109 ± 0.3197 °
Time of passage of the perihelion May 14, 2020
Sidereal period 5.3 a ± 0.1713 d
Physical Properties
Medium diameter 14.494 ± 0.143 km
Albedo 0.171 ± 0.020
Absolute brightness 11.6 mag
history
Explorer Soviet Union 1955Soviet Union/ Lyudmyla ShuravlowaUkraine Soviet Socialist RepublicUkrainian SSR 
Date of discovery October 8, 1972
Another name 1976 UW 15 ; 1940 LA; 1971 SV 1 ; 1973 AU; 1976 SW 5 ; 1981 WH 4
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.

(2475) Semenov ( 1976 UW 15 ; 1940 LA ; 1971 SV 1 ; 1973 AU ; 1976 SW 5 ; 1981 WH 4 ) is an approximately 14 kilometers large asteroid of the main outer belt , which was released on October 8, 1972 by the Ukrainian (then: Soviet Union ) astronomer Lyudmyla Shuravlowa was discovered at the Crimean Observatory (Nautschnyj branch) on the Crimean peninsula ( IAU code 095). It belongs to the Eos family, a group of asteroids named after (221) Eos .

designation

(2475) Semenov was named after Pawel Afanassjewitsch Semjonow (1912-1942), who was a fighter in the International Brigades in the Spanish Civil War from 1937 to 1938. He died in the battle of Stalingrad .

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 14, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1972 TF 2 . Discovered 1972 Oct. 8 by LV Zhuravleva at Nauchnyj. "