(2835) Ryoma
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Asteroid (2835) Ryoma |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.7462 ± 0.0001 AU |
| eccentricity | 0.08 ± 0.0004 |
| Perihelion - aphelion | 2.5265 ± 0.0012 AU - 2.9659 ± 0.0001 AU |
| Inclination of the orbit plane | 1.3321 ± 0.0492 ° |
| Length of the ascending node | 5.2940 ± 0.0002 ° |
| Argument of the periapsis | 350.0286 ± 0.0002 ° |
| Time of passage of the perihelion | 7th August 2018 |
| Sidereal period | 4.55 a ± 0.1058 d |
| Physical Properties | |
| Medium diameter | 24.230 ± 0.172 km |
| Albedo | 0.043 ± 0.003 |
| Rotation period | ≈18.234 ± 5.4702 h |
| Absolute brightness | 12.1 mag |
| history | |
| Explorer |
 Tsutomu Seki
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| Date of discovery | November 20, 1982 |
| Another name | 1982 WF ; 1932 YB; 1941 WB; 1961 CB 1 ; 1963 QC; 1972 NT; 1975 EX 3 ; 1977 QF 5 ; 1977 RY 7 ; 1979 AA; 1980 GP; 1989 GQ 8 |
| 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. | |
(2835) Ryoma ( 1982 WF ; 1932 YB ; 1941 WB ; 1961 CB 1 ; 1963 QC ; 1972 NT ; 1975 EX 3 ; 1977 QF 5 ; 1977 RY 7 ; 1979 AA ; 1980 GP ; 1989 GQ 8 ) is approximately an eleven Kilometer large asteroid of the central main belt , discovered on November 20, 1982 by the Japanese astronomer Tsutomu Seki at the Geisei Observatory in Geisei in the prefecture of Kōchi in Japan ( IAU code 372).
designation
(2835) Ryoma was named after the Japanese revolutionary Sakamoto Ryōma (1836-1867), who is considered to be the pioneer of the Meiji Restoration . Like the explorer Tsutomu Seki, he was born in Kōchi , after which the asteroid (2396) Kochi is named. Sakamoto Ryōma was murdered because of the revolution.
See also
Web links
- (2835) Ryoma in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2835) Ryoma 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 pages, link.springer.com [ONLINE; accessed on September 18, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1982 WF. Discovered 1982 Nov. 20 by T. Seki at Geisei. "
| predecessor | asteroid | successor |
|---|---|---|
| (2834) Christy Carol | numbering | (2836) Sobolev |