(747) Winchester
Asteroid (747) Winchester |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.998 AU |
eccentricity | 0.341 |
Perihelion - aphelion | 1.975 AU - 4.021 AU |
Inclination of the orbit plane | 18.2 ° |
Length of the ascending node | 130.1 ° |
Argument of the periapsis | 275.2 ° |
Time of passage of the perihelion | July 11, 2010 |
Sidereal period | 5 a 70 d |
Mean orbital velocity | 16.7 km / s |
Physical Properties | |
Medium diameter | (172 ± 3) km |
Albedo | 0.05 |
Rotation period | 9 h 25 min |
Absolute brightness | 7.7 likes |
Spectral class | P-type or C-type |
history | |
Explorer | JH Metcalf |
Date of discovery | March 7, 1913 |
Another name | 1913 QZ |
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. |
(747) Winchester is an asteroid of the main belt , which on 7 March 1913 by the American astronomer Joel Hastings Metcalf was discovered.
The asteroid was named after the city of Winchester , Massachusetts , where it was discovered.