(1311) Knopfia
Asteroid (1311) Knopfia |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.4264 AU |
eccentricity | 0.0452 |
Perihelion - aphelion | 2.3167 AU - 2.5361 AU |
Inclination of the orbit plane | 2.828 ° |
Sidereal period | 3,780 a |
Mean orbital velocity | 19.12 km / s |
Physical Properties | |
Medium diameter | 14.06 km |
Dimensions | ? | kg
Albedo | 0.118 |
Medium density | ? g / cm³ |
Rotation period | ? H |
Absolute brightness | 12,253 likes |
Spectral class | ? |
history | |
Explorer | K. Reinmuth |
Date of discovery | 1933 |
Another name | 1933 FF 1 , 1929 CG 1 , 1976 SD |
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. |
(1311) Knopfia is an asteroid of the main belt that was discovered on March 24, 1933 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The asteroid is named after the Jena astronomer Otto Knopf .