(2221) Chilton
Asteroid (2221) Chilton |
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Properties of the orbit ( animation ) | |
Orbit type | Middle main belt |
Asteroid family | Maria family |
Major semi-axis | 2.591 AU |
eccentricity | 0.137 |
Perihelion - aphelion | 2.236 AU - 2.946 AU |
Inclination of the orbit plane | 13.792 ° |
Length of the ascending node | 245.827 ° |
Argument of the periapsis | 81.986 ° |
Time of passage of the perihelion | February 22, 2018 |
Sidereal period | 4.17 a |
Physical Properties | |
Rotation period | 7.445 h |
Absolute brightness | 12.9 mag |
history | |
Explorer | Oak Ridge Observatory |
Date of discovery | August 25, 1976 |
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. |
(2221) Chilton is a main middle belt asteroid discovered on August 25, 1976 at the Oak Ridge Observatory of the Harvard-Smithsonian Centers for Astrophysicsin , Harvard, Massachusetts ( IAU code 801). The asteroid belongs to the Maria family, a group of asteroids named after (170) Maria .
designation
(2221) Chilton was named after Jean Chilton McCrosky , wife of the American astronomer at the Harvard-Smithsonian Centers for Astrophysics Richard Eugene McCrosky (after whom the asteroid (1880) McCrosky was named).
Web links
- (2221) Chilton in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2221) Chilton 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. 180 (English, 992 pp., Link.springer.com [ONLINE; accessed October 28, 2017] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named in honor of Jean Chilton McCrosky ”