(2964) Jaschek

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Asteroid
(2964) Jaschek
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Middle main belt
Asteroid family Eunomia family
Major semi-axis 2.593 ± 0.0001  AU
eccentricity 0.1991 ± 0.00004
Perihelion - aphelion 2.0767 ± 0.0012 AU - 3.1093 ± 0.0002 AU
Inclination of the orbit plane 13.5686 ± 0.07 °
Length of the ascending node 330.5977 ± 0.149 °
Argument of the periapsis 59.5426 ± 0.2284 °
Time of passage of the perihelion May 19, 2021
Sidereal period 4.18 a ± 0.1302 d
Physical Properties
Medium diameter 7.939 ± 0.298 km
Albedo 0.369 ± 0.038
Rotation period 12.53 h
Absolute brightness 12.6 mag
history
Explorer ArgentinaArgentina Felix Aguilar Observatory
Date of discovery July 16, 1974
Another name 1974 OA 1 ; 1981 EE 5
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.

(2964) Jaschek ( 1974 OA 1 , 1981 EE 5 ) is about eight kilometers in the asteroid of the average main belt , which on 16 July 1974 at the Félix Aguilar Observatory at El Leoncito National Park in the province of San Juan in Argentina ( IAU- Code 808) was discovered. It belongs to the Eunomia family , a group of asteroids named after (15) Eunomia .

designation

(2964) Jaschek was named after the astronomer Carlos Jaschek (1926–1999), who was professor of astronomy at the University of Strasbourg . Born in Germany , he was trained in Argentina and headed the Astrophysics Department in La Plata from 1957 to 1973 . As a member of the Argentine National Academy of Sciences , he was a member of the Center national de la recherche scientifique and served as President of the 45th Commission (Star Classification) 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 September 26, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1974 OA1. Discovered 1974 July 16 at the Carlos U. Cesco Observatory at El Leoncito. "
predecessor asteroid successor
(2963) Chen Jiageng numbering (2965) Surikov