(2643) Bernhard

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Asteroid
(2643) Bernhard
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Inner main belt
Asteroid family Phocaea family
Major semi-axis 2.3773 ± 0.0001  AU
eccentricity 0.2751 ± 0.0007
Perihelion - aphelion 1.7233 ± 0.0016 AU - 3.0313 ± 0.0001 AU
Inclination of the orbit plane 22.9527 ± 0.0877 °
Length of the ascending node 348.5662 ± 0.1059 °
Argument of the periapsis 65.6097 ± 0.2318 °
Time of passage of the perihelion January 6, 2018
Sidereal period 3.67 a ± 0.0068 d
Physical Properties
Medium diameter 3.950 ± 0.074 km
Albedo 0.284 ± 0.026
Absolute brightness 14.3 mag
history
Explorer NetherlandsNetherlands/ Tom GehrelsUnited StatesUnited States 
Date of discovery 19th September 1973
Another name 1973 SD
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.

(2643), Bernhard ( 1973 SD ) is an about four kilometers in Asteroid of the inner main belt , which on 19 September 1973 by the Dutch - American astronomer Tom Gehrels at Palomar Observatory about 80 kilometers northeast of San Diego , California ( IAU- Code 675) was discovered. It belongs to the Phocaea family, a group of asteroids named after (25) Phocaea .

designation

(2643) Bernhard was named after Prince Bernhard zur Lippe-Biesterfeld to honor his interest in comets and asteroids.

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 2, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1973 SD. Discovered 1973 Sept. 19 by T. Gehrels at Palomar. "
predecessor asteroid successor
(2642) Vésale numbering (2644) Victor Jara