(2220) Hicks
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Asteroid (2220) Hicks |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Themis family |
| Major semi-axis | 3.166 AU |
| eccentricity | 0.155 |
| Perihelion - aphelion | 2.675 AU - 3.658 AU |
| Inclination of the orbit plane | 2.587 ° |
| Length of the ascending node | 94.790 ° |
| Argument of the periapsis | 279.828 ° |
| Time of passage of the perihelion | April 24, 2020 |
| Sidereal period | 5.63 a |
| Physical Properties | |
| Medium diameter | 16.301 ± 0.350 km |
| Albedo | 0.096 ± 0.015 |
| Absolute brightness | 12.4 mag |
| history | |
| Explorer | Eleanor Helin |
| Date of discovery | 4th November 1975 |
| 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. | |
(2220) Hicks is a main outer belt asteroid discovered on November 4, 1975 by the American astronomer Eleanor Helin at the Palomar Observatory northeast of San Diego ( IAU code 675). The asteroid belongs to the Themis family, a group of asteroids named after (24) Themis .
designation
(2220) Hicks was named after William B. Hicks , an alumni of the California Institute of Technology and a distinguished engineer and entrepreneur . The name was suggested by the discoverer Eleanor Helin and the American geologist , impact researcher and astronomer Eugene Shoemaker .
Web links
- (2220) Hicks in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2220) Hicks 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 on October 28, 2017] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named in honor of William B. Hicks ”