(4799) Hirasawa
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Asteroid (4799) Hirasawa |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.4705 AU |
| eccentricity | 0.1280 |
| Perihelion - aphelion | 2.1543 AU - 2.7867 AU |
| Inclination of the orbit plane | 0.6161 ° |
| Length of the ascending node | 241.5958 ° |
| Argument of the periapsis | 82.4611 ° |
| Sidereal period | 3.88 a |
| Mean orbital velocity | 18.95 km / s |
| Physical Properties | |
| Absolute brightness | 13.7 mag |
| history | |
| Explorer | Y. Mizuno , T. Furuta |
| Date of discovery | October 8, 1989 |
| Another name | 1989 TC 1 , 1977 QM 4 , 1985 TT 2 |
| 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. | |
(4799) Hirasawa is an asteroid of the main belt , the October 8, 1989 by Japanese astronomers Yoshikane Mizuno and Toshimasa Furuta at the observatory in Kani was discovered.
It was named in honor of the Japanese amateur astronomer Yasuo Hirasawa (* 1927).
See also
Web links
- Asteroid Hirasawa: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Hirasawa in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (4799) Hirasawa in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).