(2252) CERGA

Asteroid (2252) CERGA
Properties of the orbit ( animation )
Orbit type	Middle main belt
Asteroid family	Astraea family
Major semi-axis	2,616 AU
eccentricity	0.073
Perihelion - aphelion	2.425 AU - 2.807 AU
Inclination of the orbit plane	4.222 °
Length of the ascending node	358.356 °
Argument of the periapsis	24.148 °
Time of passage of the perihelion	23rd August 2016
Sidereal period	4.23 a
Physical Properties
Medium diameter	17.350 ± 0.082 km
Albedo	0.057 ± 0.007
Absolute brightness	12.5 mag
history
Explorer	Kōichirō Tomita
Date of discovery	November 1, 1978
Another name	1978 VT ; 1949 YX; 1950 BR; 1961 VO; 1969 QU; 1969 RF ₁ ; 1971 BV ₁ ; 1974 YD; 1975 AA ₁ ; 1976 GB 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.

(2252) CERGA ( 1978 VT ; 1949 YX ; 1950 BR ; 1961 VO ; 1969 QU ; 1969 RF ₁ ; 1971 BV ₁ ; 1974 YD ; 1975 AA ₁ ; 1976 GB ₅ ) is an asteroid of the central main girdle . November 1978 by the Japanese astronomer Kōichirō Tomita at the Observatoire de Calern north of Grasse in France ( IAU code 010). The asteroid belongs to the Astraea family, a group of asteroids named after (5) Astraea .

designation

(2252) CERGA was named after the Center d'Etudes et de Recherches Géodynamiques et Astronomiques (CERGA), which operates the Observatoire de Calern , where the asteroid (2252) CERGA was discovered.

Web links

(2252) CERGA in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
(2252) CERGA in the Small-Body Database of the Jet Propulsion Laboratory .

Individual evidence

^ 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. 183 (English, 992 pp., Link.springer.com [ONLINE; accessed November 1, 2017] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named for the Center d'Etudes et de Recherches Géodynamiques et Astronomiques ”

[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. 183 (English, 992 pp., Link.springer.com [ONLINE; accessed November 1, 2017] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named for the Center d'Etudes et de Recherches Géodynamiques et Astronomiques ”