(1138) Attica

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Asteroid
(1138) Attica
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 .

See also