(3421) Yangchenning
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Asteroid (3421) Yangchenning |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2334 AU |
| eccentricity | 0.0923 |
| Perihelion - aphelion | 2.0273 AU - 2.4395 AU |
| Inclination of the orbit plane | 2.464 ° |
| Sidereal period | 3,338 a |
| Mean orbital velocity | 19.93 km / s |
| Physical Properties | |
| Medium diameter | ? km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 13.6 mag |
| Spectral class | ? |
| history | |
| Explorer | Purple Mountain Observatory |
| Date of discovery | November 26, 1975 |
| Another name | 1975 WK 1 , 1953 ED 1 , 1978 SK 7 |
| 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. | |
(3421) Yangchenning is an asteroid of the main belt , which on 26 November 1975 at the Purple Mountain Observatory in Nanjing was discovered.
The name of the asteroid is derived from the Chinese-American physicist Chen Ning Yang .