(2891) McGetchin

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Asteroid
(2891) McGetchin
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Outer main belt
Major semi-axis 3.3532 ± 0.0003  AU
eccentricity 0.1375 ± 0.0005
Perihelion - aphelion 2.8922 ± 0.0018 AU - 3.8141 ± 0.0003 AU
Inclination of the orbit plane 9.2996 ± 0.0456 °
Length of the ascending node 114.7625 ± 0.2979 °
Argument of the periapsis 251.1030 ± 0.0333 °
Time of passage of the perihelion 18th March 2019
Sidereal period 6.14 a ± 0.2573 d
Physical Properties
Medium diameter 35.066 ± 0.289 km
Albedo 0.061 ± 0.005
Absolute brightness 11.0 mag
history
Explorer United StatesUnited States Carolyn Shoemaker
Date of discovery June 18, 1980
Another name 1980 MD ; 1933 XC; 1951 WS 1 ; 1965 AR
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.

(2891) McGetchin ( 1980 MD ; 1933 XC ; 1951 WS 1 ; 1965 AR ) is an approximately 35 kilometers in asteroid of the outer main belt , of the June 18, 1980 American US Astronomin Carolyn Shoemaker at the Palomar Observatory approximately 80 kilometers was discovered northeast of San Diego , California ( IAU code 675) on the Crimea Peninsula ( IAU code 095).

designation

(2891) McGetchin was named after the geologist and planetologist Thomas R. McGetchin (1936-1979), who was director of the Lunar and Planetary Institute since 1977 . As a leading researcher in volcanism and tectonics on earth and other astronomical objects in the solar system , he was honored in particular for his work on kimberlites and the dynamics of volcanoes .

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 21, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1980 MD. Discovered 1980 June 18 by CS Shoemaker at Palomar. "
predecessor asteroid successor
(2890) Vilyujsk numbering (2892) Filipenko