(2842) Unsold

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Asteroid
(2842) Unsold
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 2.6171 ± 0.0001  AU
eccentricity 0.1011 ± 0.0007
Perihelion - aphelion 2.3524 ± 0.0019 AU - 2.8818 ± 0.0001 AU
Inclination of the orbit plane 11.6995 ± 0.0625 °
Length of the ascending node 310.0471 ± 0.1963 °
Argument of the periapsis 203.1687 ± 0.2655 °
Time of passage of the perihelion August 16, 2020
Sidereal period 4.23 a ± 0.1166 d
Physical Properties
Medium diameter 13.716 ± 0.194 km
Albedo 0.149 ± 0.032
Rotation period 49.50 h
Absolute brightness 11.4 mag
history
Explorer United States 48United States Indiana Asteroid Program
Date of discovery July 25, 1950
Another name 1950 OD ; 1930 YT; 1933 QX; 1944 BC; 1978 EG 4 ; 1982 BJ 3
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.

(2842) Unsöld ( 1950 OD ; 1930 YT ; 1933 QX ; 1944 BC ; 1978 EG 4 ; 1982 BJ 3 ) is an approximately 14 km large asteroid of the central main belt that was discovered on July 25, 1950 as part of the Indiana Asteroid Program on the Goethe -Link Observatory in Brooklyn , Indiana ( IAU code 760) was discovered. A total of 119 asteroids were discovered by the Indiana Asteroid Program. It belongs to the Eunomia family , a group of asteroids named after (15) Eunomia .

designation

(2842) Unsöld was named after the German astrophysicist Albrecht Unsöld (1905–1995), who was professor and director of the Institute for Theoretical Physics at the Christian Albrechts University in Kiel for many years . The name was suggested by the American astronomer Frank K. Edmondson .

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 18, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1950 OD. Discovered 1950 July 25 at the Goethe Link Observatory at Brooklyn, Indiana. "
predecessor asteroid successor
(2841) Puijo numbering (2843) Yeti