(2693) Yan'an
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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 .