(2478) Tokai
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Asteroid (2478) Tokai |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2.2254 ± 0.0001 AU |
| eccentricity | 0.0688 ± 0.0003 |
| Perihelion - aphelion | 2.0722 ± 0.0007 AU - 2.3785 ± 0.0001 AU |
| Inclination of the orbit plane | 4.1399 ± 0.0343 ° |
| Length of the ascending node | 228.7981 ± 0.5929 ° |
| Argument of the periapsis | 233.6372 ± 0.6771 ° |
| Time of passage of the perihelion | January 16, 2020 |
| Sidereal period | 3.32 a ± 0.0564 d |
| Physical Properties | |
| Medium diameter | 9.238 ± 0.112 km |
| Albedo | 0.252 ± 0.045 |
| Absolute brightness | 12.1 mag |
| Spectral class | SMASSII: S. |
| history | |
| Explorer |
 Toshimasa Furuta
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| Date of discovery | May 4th 1981 |
| Another name | 1981 JC ; 1931 HH; 1932 SE; 1934 ED; 1939 VH; 1951 JP; 1955 OE; 1955 QV; 1957 BD; 1972 RS; 1978 NU 2 ; 1979 XR; 1981 JT |
| 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. | |
(2478) Tokai ( 1981 JC ; 1931 HH ; 1932 SE ; 1934 ED ; 1939 VH ; 1951 JP ; 1955 OE ; 1955 QV ; 1957 BD ; 1972 RS ; 1978 NU 2 ; 1979 XR ; 1981 JT ) is approximately nine kilometers large asteroid of the main inner belt discovered on May 4, 1981 by the Japanese astronomer Toshimasa Furuta at the Tokai Observatory in Aichi Prefecture , Japan ( IAU code 879).
designation
(2478) Tokai was named by the explorer Toshimasa Furuta after the Japanese city of Tōkai , in which he lives.
See also
Web links
- (2478) Tokai in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2478) Tokai 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 August 14, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “11981 JC. Discovered 1981 May 4 by T. Furuta at Tokai. "