(6920) Esaki
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Asteroid (6920) Esaki |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.3874 AU |
| eccentricity | 0.0787 |
| Perihelion - aphelion | 2.1997 AU - 2.5752 AU |
| Inclination of the orbit plane | 6.7155 ° |
| Length of the ascending node | 79.7335 ° |
| Argument of the periapsis | 60.1775 ° |
| Time of passage of the perihelion | April 24, 2018 |
| Sidereal period | 3.69 a |
| Mean orbital velocity | 19.27 km / s |
| Physical Properties | |
| Medium diameter | 4.962 (± 0.308) km |
| Albedo | 0.413 (± 0.075) |
| Absolute brightness | 13.2 mag |
| history | |
| Explorer |
Kin Endate Kazurō Watanabe |
| Date of discovery | May 14, 1993 |
| Another name | 1993 JE , 1989 FT, 1990 OW 5 |
| 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. | |
(6920) Esaki is an asteroid of the main belt , which on 14 May 1993 by the Japanese amateur astronomers Kin EnDate and Kazuro Watanabe at Kitami Observatory ( IAU code 400) on Hokkaido was discovered.
The asteroid was named on August 8, 1998 after the Japanese physicist Leo Esaki (* 1925) who received the Nobel Prize in Physics in 1973 together with Ivar Giaever and Brian D. Josephson .
See also
Web links
- (6920) Esaki in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (6920) Esaki in the Small-Body Database of the Jet Propulsion Laboratory (English).
- Discovery Circumstances of (6920) Esaki according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)