(2591) Dvoretsky

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Asteroid
(2591) Dworetsky
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Outer main belt
Asteroid family Koronis family
Major semi-axis 2.9409 ± 0.0001  AU
eccentricity 0.0424 ± 0.0003
Perihelion - aphelion 2.8163 ± 0.0001 AU - 3.0655 ± 0.0001 AU
Inclination of the orbit plane 1.5401 ± 0.0526 °
Length of the ascending node 356.1278 ± 0.0001 °
Argument of the periapsis 271.4265 ± 0.0002 °
Time of passage of the perihelion 15th May 2019
Sidereal period 5.04 a ± 0.1342 d
Physical Properties
Medium diameter 12.925 ± 0.141 km
Albedo 0.291 ± 0.037
Rotation period 12.77 h
Absolute brightness 11.5 likes
history
Explorer Germany Federal RepublicFederal Republic of Germany Karl Wilhelm Reinmuth
Date of discovery August 2, 1949
Another name 1980 KJ ; 1949 WP; 1963 SM; 1974 UN; 1974 VG 2 ; 1974 XK
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.

(2591) Dworetsky ( 1980 KJ ; 1949 WP ; 1963 SM ; 1974 UN ; 1974 VG 2 ; 1974 XK ) is an approximately 13-kilometer asteroid of the outer main belt that was discovered on August 2, 1949 by the German (then: Federal Republic of Germany ) astronomer Karl Wilhelm Reinmuth was discovered at the State Observatory Heidelberg-Königstuhl on the western summit of the Königstuhl near Heidelberg ( IAU code 024). It belongs to the Koronis family, a group of asteroids named after (158) Koronis .

designation

(2591) Dworetsky was named after the astronomer Michael Dworetsky , a lecturer at University College London . He was instrumental in the development of the basic course in astronomy, especially in the practical work associated with it; he teaches astronomy studies. The name was proposed by the American astronomer Conrad M. Bardwell after a suggestion by the astronomer Gareth V. Williams of the United Kingdom .

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 24, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1949 PS. Discovered 1949 Aug. 2 by K. Reinmuth at Heidelberg. ”
predecessor asteroid successor
(2590) Mourao numbering (2592) Hunan