(2563) Boyarchuk

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Asteroid
(2563) Boyarchuk
Properties of the orbit ( animation )
Orbit type Outer main belt
Asteroid family Themis family
Major semi-axis 3.1912 ± 0.0002  AU
eccentricity 0.1441 ± 0.0004
Perihelion - aphelion 2.7314 ± 0.0012 AU - 3.651 ± 0.0002 AU
Inclination of the orbit plane 2.0421 ± 0.0391 °
Length of the ascending node 114.5708 ± 0.0001 °
Argument of the periapsis 40.057 ± 0.0001 °
Time of passage of the perihelion 19th September 2016
Sidereal period 5.7 a ± 0.0182 d
Physical Properties
Medium diameter 24.478 ± 0.051 km
Albedo 0.095 ± 0.010
Rotation period 11.04 h
Absolute brightness 11.6 mag
history
Explorer Soviet Union 1955Soviet Union Nikolai Stepanowitsch Tschernych
Date of discovery March 22, 1977
Another name 1977 FZ ; 1959 CN; 1963 YB; 1980 toilet
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.

(2563) Boyarchuk ( 1977 FZ ; 1959 CN ; 1963 YB ; 1980 WC ) is an approximately 24 kilometers large asteroid of the outer main belt that was discovered on March 22, 1977 by the Russian (then: Soviet Union ) astronomer Nikolai Stepanowitsch Tschernych at the Crimean Observatory ( Nautschnyj branch) on the Crimean peninsula ( IAU code 095) was discovered. It belongs to the Themis family, a group of asteroids named after (24) Themis .

designation

(2563) Boyarchuk was named after the Soviet-Russian astronomer Alexander Alexejewitsch Boyarchuk (1931-2015), who was the deputy director of the Crimean Observatory and who was known for his research on stellar physics . From 1973 to 1976 he was President of the 29th Commission (Star Spectra) of the International Astronomical Union .

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 23 August 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1977 FZ. Discovered 1977 Mar. 22 by NS Chernykh at Nauchnyj. "
predecessor asteroid successor
(2562) Chaliapine numbering (2564) Kayala