(6920) Esaki
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)