(2884) Reddish
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Asteroid (2884) Reddish |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Themis family |
| Major semi-axis | 3.108 ± 0.0001 AU |
| eccentricity | 0.1779 ± 0.0004 |
| Perihelion - aphelion | 2.555 ± 0.0012 AU - 3.6609 ± 0.0002 AU |
| Inclination of the orbit plane | 1.9452 ± 0.0458 ° |
| Length of the ascending node | 41.2836 ± 0.0001 ° |
| Argument of the periapsis | 13.2746 ± 0.0001 ° |
| Time of passage of the perihelion | 17th January 2018 |
| Sidereal period | 5.48 a ± 0.1368 d |
| Physical Properties | |
| Rotation period | ≈14.310 ± 4.293 h |
| Absolute brightness | 12.0 mag |
| history | |
| Explorer |
 Scolded John Bus
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| Date of discovery | March 2, 1981 |
| Another name | 1981 ES 22 ; 1929 TE; 1956 RX; 1973 SB 4 ; 1973 UC 3 ; 1975 CD; 1975 EP; 1978 PM 2 ; 1978 SB 4 ; 1979 YO 3 |
| 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. | |
(2884) Reddish ( 1981 ES 22 ; 1929 TE ; 1956 RX ; 1973 SB 4 ; 1973 UC 3 ; 1975 CD ; 1975 EP ; 1978 PM 2 ; 1978 SB 4 ; 1979 YO 3 ) is an asteroid about 22 kilometers across from the outer Main belt discovered on March 2, 1981 by the American astronomer Schelte John Bus at the Siding Spring Observatory near Coonabarabran , New South Wales in Australia ( IAU code 260). It belongs to the Themis family , a group of asteroids named after (24) Themis .
designation
(2884) Reddish was named after the astronomer Vincent Cartledge Reddish , who was Astronomer Royal for Scotland from 1975 to 1980 . As an astronomer he worked at the Royal Observatory Edinburgh (IAU code 277). The naming was made by the astronomer John Alan Dawe .
See also
Web links
- (2884) Reddish in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2884) Reddish 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. 186 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 21, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1981 ES 22 . Discovered 1981 Mar. 2 by SJ Bus at Siding Spring. "
| predecessor | asteroid | successor |
|---|---|---|
| (2883) Barabashov | numbering | (2885) Palva |