(2779) Mary

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Asteroid
(2779) Mary
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Inner main belt
Major semi-axis 2.2119 ± 0.0001  AU
eccentricity 0.0626 ± 0.0004
Perihelion - aphelion 2.0735 ± 0.0008 AU - 2.3503 ± 0.0001 AU
Inclination of the orbit plane 3.8917 ± 0.0034 °
Length of the ascending node 80.2743 ± 0.6971 °
Argument of the periapsis 122.6991 ± 0.7803 °
Time of passage of the perihelion September 30, 2017
Sidereal period 3.29 a ± 0.0582 d
Physical Properties
Medium diameter 6.261 ± 0.136 km
Albedo 0.216 ± 0.048
Rotation period ≈ 3.36 ± 1.008 h
Absolute brightness 13.3 mag
history
Explorer United StatesUnited States Norman G. Thomas
Date of discovery February 6, 1981
Another name 1981 CX ; 1935 EC; 1968 FN; 1969 RP; 1976 UF 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.

(2779) Mary ( 1981 CX ; 1935 EC ; 1968 FN ; 1969 RP ; 1976 UF 5 ) is an approximately ten kilometers large asteroid of the main inner belt that was discovered on February 6, 1981 by the American astronomer Norman G. Thomas on the Lowell- Observatory , Anderson Mesa Station ( Anderson Mesa ) near Flagstaff , Arizona ( IAU code 688).

designation

(2779) Mary was named by the explorer Norman G. Thomas after his wife Maryanna Ruth Thomas . She determined the positions of comets and asteroids in the 1960s as part of the program initiated by Elizabeth Roemer , after whom the asteroid (1657) Roemera was named.

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 13, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1981 CX. Discovered 1981 Feb. 6 by NG Thomas at Anderson Mesa. "
predecessor asteroid successor
(2778) Tangshan numbering (2780) Monnig