(476) Hedwig
Asteroid (476) Hedwig |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2,649 AU |
eccentricity | 0.075 |
Perihelion - aphelion | 2.451 AU - 2.847 AU |
Inclination of the orbit plane | 10.9 ° |
Length of the ascending node | 286.5 ° |
Argument of the periapsis | 0.6 ° |
Time of passage of the perihelion | December 13, 2008 |
Sidereal period | 4 a 113 d |
Mean orbital velocity | 18.3 km / s |
Physical Properties | |
Medium diameter | approx. 117 km |
Albedo | 0.05 |
Rotation period | 27.3 h |
Absolute brightness | 8.6 likes |
Spectral class | P |
history | |
Explorer | Luigi Carnera |
Date of discovery | 17th August 1901 |
Another name | 1901 GQ, 1974 PL |
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. |
(476) Hedwig is an asteroid of the main belt that was discovered on August 17, 1901 by the Italian astronomer Luigi Carnera in Heidelberg .
The asteroid is named after the wife of the astronomer Elis Strömgren .