(2509) Chukotka

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Asteroid
(2509) Chukotka
Properties of the orbit ( animation )
Orbit type Inner main belt
Asteroid family Hertha family
Major semi-axis 2.4563 ± 0.0001  AU
eccentricity 0.1944 ± 0.00003
Perihelion - aphelion 1.9788 ± 0.0008 AU - 2.9337 ± 0.0001 AU
Inclination of the orbit plane 2.8508 ± 0.0039 °
Length of the ascending node 343.5646 ± 0.7259 °
Argument of the periapsis 348.4885 ± 0.0733 °
Time of passage of the perihelion 3rd February 2020
Sidereal period 3.85 a ± 0.1162 d
Physical Properties
Medium diameter 16.193 ± 0.0797 km
Albedo 0.041 ± 0.005
Rotation period 17.7 h
Absolute brightness 12.8 mag
Spectral class SMASSII: C
history
Explorer Soviet Union 1955Soviet Union Nikolai Stepanowitsch Tschernych
Date of discovery July 14, 1977
Another name 1977 NG ; 1931 TP 2 ; 1935 SF; 1950 OJ; 1975 AD 1 ; 1981 ST 1 ; 1987 BN 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.

(2509) Chukotka ( 1977 NG ; 1931 TP 2 ; 1935 SF ; 1950 OJ ; 1975 AD 1 ; 1981 ST 1 ; 1987 BN 2 ) is an approximately 17-kilometer asteroid of the main inner belt that was removed on July 14, 1977 by the Russian ( then: Soviet Union ) astronomer Nikolai Stepanowitsch Tschernych at the Crimean Observatory (Nautschnyj branch) on the Crimean peninsula ( IAU code 095). It belongs to the Hertha family, a group of asteroids named after (135) Hertha .

designation

(2509) Chukotka was named after the Chukchi Autonomous Okrug in what was then the Soviet Union. The explorer Nikolai Stepanowitsch Tschernych undertook an expedition there to observe the solar eclipse of July 10, 1972 .

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 19, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1977 NG. Discovered 1977 July 14 by NS Chernykh at Nauchnyj. "
predecessor asteroid successor
(2508) Alupka numbering (2510) Shandong