(2908) Shimoyama
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Asteroid (2908) Shimoyama |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 2.9758 ± 0.0002 AU |
| eccentricity | 0.1549 ± 0.0005 |
| Perihelion - aphelion | 2.5149 ± 0.0013 AU - 3.4366 ± 0.0002 AU |
| Inclination of the orbit plane | 13.3677 ± 0.051 ° |
| Length of the ascending node | 233.3118 ± 0.1588 ° |
| Argument of the periapsis | 154.1037 ± 0.2085 ° |
| Time of passage of the perihelion | 11th September 2017 |
| Sidereal period | 5.13 a ± 0.1548 d |
| Physical Properties | |
| Medium diameter | 29.663 ± 0.130 km |
| Albedo | 0.035 ± 0.04 |
| Absolute brightness | 11.8 mag |
| history | |
| Explorer |
 Toshimasa Furuta
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| Date of discovery | November 18, 1981 |
| Another name | 1981 WA ; 1950 TJ 4 ; 1955 TQ; 1976 YA 4 ; 1981 UH 10 |
| 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. | |
(2908) Shimoyama ( 1981 WA ; 1950 TJ 4 ; 1955 TQ ; 1976 YA 4 ; 1981 UH 10 ) is an approximately 30 kilometers large asteroid of the outer main belt that was discovered on November 18, 1981 by the Japanese astronomer Toshimasa Furuta at the Tokai Observatory in of Aichi Prefecture in Japan ( IAU code 879).
designation
(2908) Shimoyama was named after the village of Shimoyama , near which the Tokai Observatory is located.
See also
Web links
- (2908) Shimoyama in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2908) Shimoyama 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 22, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1981 WA. Discovered 1981 Nov. 18 by T. Furuta at Tokai. "
| predecessor | asteroid | successor |
|---|---|---|
| (2907) Nekrasov | numbering | (2909) Hoshi-no-ie |