(34) Circe
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(34 ) Circe is an asteroid of the main asteroid belt, which was discovered on April 6, 1855 by Jean Chacornac.
It was named after celestial bodies Circe, the sorceress of the Odyssey, the " becircte " Odysseus ' companions into swine and.
Circe moves at a distance of 2.39 ( perihelion ) to 2.98 ( aphelion ) astronomical units around the sun. The orbit is inclined 5.5 ° to the ecliptic, the orbital eccentricity is 0.11.
Circe has a diameter of about 114 kilometers. However, their low self-gravity may not be sufficient to form an ellipsoid of revolution, so that a rather irregular shape is to be expected. The value for the mean diameter is derived from the absolute magnitude and the value of the albedo. The latter is subject to a relatively large uncertainty, so that the value for the diameter provides only an approximate order of magnitude of the dimensions of the celestial body.
From the brightness fluctuations occurring due to the intrinsic rotation and the shape of the rotation period could be determined to be 12.15 hours.