(2722) Abalakin

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Asteroid
(2722) Abalakin
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Outer main belt
Asteroid family Themis family
Major semi-axis 3.2073 ± 0.0002  AU
eccentricity 0.1412 ± 0.00003
Perihelion - aphelion 2.7543 ± 0.001 AU - 3.6604 ± 0.0002 AU
Inclination of the orbit plane 1.6769 ± 0.0372 °
Length of the ascending node 133.5511 ± 0.0001 °
Argument of the periapsis 111.5421 ± 0.0001 °
Time of passage of the perihelion October 14, 2016
Sidereal period 5.74 a ± 0.159 d
Physical Properties
Medium diameter 19.361 ± 0.101 km
Albedo 0.068 ± 0.009
Rotation period 9.23 h
Absolute brightness 12.2 mag
history
Explorer Soviet Union 1955Soviet Union Nikolai Stepanowitsch Tschernych
Date of discovery April 1, 1976
Another name 1976 GM 2 ; 1970 GO 2 ; 1978 TS 2
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.

(2722) Abalakin ( 1976 GM 2 ; 1970 GO 2 ; 1978 TS 2 ) is an approximately 19 kilometers large asteroid of the outer main belt , which was discovered on April 1, 1976 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

(2722) Abalakin was named after the Russian-Soviet astronomer Viktor Kuzmitsch Abalakin (1930-2018), the head of ephemeris at the Institute for Theoretical Astronomy , editor of Astronomicheskij Ezhegodnik and president of the fourth commission (ephemeris) of the International Astronomical Union from 1976 to 1979 was.

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 September 9, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1976 GM 2 . Discovered 1976 Apr. 1 by NS Chernykh at Nauchnyj. ”
predecessor asteroid successor
(2721) Vsekhsvyatskij numbering (2723) Gorshkov