(6979) Shigefumi
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Asteroid (6979) Shigefumi |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6535 AU |
| eccentricity | 0.2230 |
| Perihelion - aphelion | 2.0618 AU - 3.2451 AU |
| Inclination of the orbit plane | 14.9003 ° |
| Length of the ascending node | 359.2746 ° |
| Argument of the periapsis | 338.9542 ° |
| Time of passage of the perihelion | June 28, 2019 |
| Sidereal period | 4.32 a |
| Mean orbital velocity | 18.28 km / s |
| Physical Properties | |
| Medium diameter | 8.232 (± 0.098) km |
| Albedo | 0.253 (± 0.027) |
| Absolute brightness | 12.4 mag |
| history | |
| Explorer |
Kin Endate Kazurō Watanabe |
| Date of discovery | September 12, 1993 |
| Another name | 1993 RH |
| 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. | |
(6979) Shigefumi is an asteroid of the main belt , which on 12 September 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 mathematician Shigefumi Mori (* 1951), who was awarded the Fields Medal in 1990, among other things for proving the Hartshorne conjecture.
See also
Web links
- (6979) Shigefumi in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (6979) Shigefumi in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
- Discovery Circumstances of (6979) Shigefumi according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)