(2230) Yunnan
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Asteroid (2230) Yunnan |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Koronis family |
| Major semi-axis | 2.8573 AU |
| eccentricity | 0.0626 |
| Perihelion - aphelion | 2.6785 AU - 3.036 AU |
| Inclination of the orbit plane | 2.565 ° |
| Sidereal period | 4,830 a |
| Mean orbital velocity | 17, km / s |
| Physical Properties | |
| Medium diameter | approx. 11 km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 11.9 likes |
| Spectral class | ? |
| history | |
| Explorer | Purple Mountain Observatory |
| Date of discovery | October 29, 1978 |
| Another name | 1978 UT 1 , 1953 RW, 1956 EY |
| 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. | |
(2230) Yunnan is an asteroid of the main belt , which on 29 October 1978 at the Purple Mountain Observatory in Nanjing was discovered.
The asteroid is named after the Chinese province of Yunnan .