(2693) Yan'an
Asteroid (2693) Yan'an |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.2402 AU |
eccentricity | 0.1804 |
Perihelion - aphelion | 1.8361 AU - 2.6442 AU |
Inclination of the orbit plane | 7.304 ° |
Sidereal period | 3,353 a |
Mean orbital velocity | 19.90 km / s |
Physical Properties | |
Medium diameter | approx. 7 km |
Albedo | ? |
Rotation period | ? H |
Absolute brightness | 13.1 mag |
Spectral class | ? |
history | |
Explorer | Purple Mountain Observatory |
Date of discovery | 3rd November 1977 |
Another name | 1977 VM 1 , 1937 WE, 1947 XA |
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. |
(2693) Yan'an is an asteroid of the main belt , which on November 3, 1977 at Purple Mountain Observatory in Nanjing was discovered.
The asteroid is named after the Chinese city of Yan'an in Shaanxi Province .