(3421) Yangchenning

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Asteroid
(3421) Yangchenning
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 .

See also