(2978) Roudebush
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Asteroid (2978) Roudebush |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Themis family |
| Major semi-axis | 3.0927 ± 0.0002 AU |
| eccentricity | 0.1889 ± 0.0004 |
| Perihelion - aphelion | 2.5084 ± 0.0012 AU - 3.6769 ± 0.0002 AU |
| Inclination of the orbit plane | 1.234 ± 0.0441 ° |
| Length of the ascending node | 348.32 ± 0.0002 ° |
| Argument of the periapsis | 5.0519 ± 0.0002 ° |
| Time of passage of the perihelion | 2nd December 2016 |
| Sidereal period | 5.44 a ± 0.1484 d |
| Physical Properties | |
| Medium diameter | 18.858 ± 0.479 km |
| Albedo | 0.072 ± 0.006 |
| Rotation period | ≈62.354 ± 18.7062 h |
| Absolute brightness | 12.2 mag |
| history | |
| Explorer |
 Richard Eugene McCrosky , Cheng-yuan Shao , G. Schwartz , JH Bulger
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| Date of discovery | September 26, 1978 |
| Another name | 1978 SR ; 1929 TC 1 ; 1934 PN; 1940 SE; 1967 RC 1 |
| 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. | |
(2978) Roudebush ( 1978 SR ; 1929 TC 1 ; 1934 PN ; 1940 SE ; 1967 RC 1 ) is an approximately 19 km large asteroid of the main outer belt that was discovered on September 26, 1978 by the American astronomer Richard Eugene McCrosky , Cheng -yuan Shao , G. Schwartz and JH Bulger at the Oak Ridge Observatory (then part of the Harvard College Observatory as Agassiz Station ) ( IAU code 801). It belongs to the Themis family , a group of asteroids named after (24) Themis .
designation
(2978) Roudebush was named after Susan Horner Roudebush , who headed the administration of the Planetary Sciences department at the Harvard-Smithsonian Center for Astrophysics .
See also
Web links
- (2978) Roudebush in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2978) Roudebush in the Small-Body Database of the Jet Propulsion Laboratory (English).
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. 186 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 28, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1978 SR. Discovered 1978 Sept. 26 at the Harvard College Observatory at Harvard. "
| predecessor | asteroid | successor |
|---|---|---|
| (2977) Chivilikhin | numbering | (2979) Murmansk |