(1138) Attica
Asteroid (1138) Attica |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 3.1471 AU |
eccentricity | 0.0682 |
Perihelion - aphelion | 2.9324 AU - 3.3617 AU |
Inclination of the orbit plane | 13.987 ° |
Sidereal period | 5,583 a |
Mean orbital velocity | 16.79 km / s |
Physical Properties | |
Medium diameter | approx. 24 km |
Rotation period | ? |
Absolute brightness | 11.4 mag |
history | |
Explorer | K. Reinmuth |
Date of discovery | November 22, 1929 |
Another name | 1929 WF, 1954 GK |
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. |
(1138) Attica is an asteroid of the main belt that was discovered on November 22, 1929 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The name is derived from the Greek region of Attica .