(4746) Doi
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Asteroid (4746) Doi |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Themis family |
| Major semi-axis | 3.2149 AU |
| eccentricity | 0.1694 |
| Perihelion - aphelion | 2.6704 AU - 3.7594 AU |
| Inclination of the orbit plane | 0.8815 ° |
| Sidereal period | 5.76 a |
| Mean orbital velocity | 16.60 km / s |
| Physical Properties | |
| Medium diameter | approx. 22 km |
| Absolute brightness | 12.1 mag |
| history | |
| Explorer |
Atsushi Takahashi Kazuo Watanabe |
| Date of discovery | October 9, 1989 |
| Another name | 1989 TP 1 , 1972 VG 1 , 1977 RO 3 , 1983 TE 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. | |
(4746) Doi is an asteroid of the main belt , which on 9 October 1989 by the Japanese astronomer Atsushi Takahashi and Kazuo Watanabe at Kitami Observatory ( IAU code was discovered 400).
The asteroid is named after the Japanese astronaut Takao Doi , who took part in the space shuttle missions STS-87 and STS-123 as JAXA's payload specialist .
See also
Web links
- Asteroid Doi: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (4746) Doi in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (4746) Doi in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).