(239) Adrastea

Template: Infobox Asteroid / Maintenance / Error 1

(239 ) Adrasteia is an asteroid of the main asteroid belt, which was discovered on August 18, 1884 by Johann Palisa.

Adrasteia is another name of the nymph Amalthea from Greek mythology who raised Zeus.

Adrasteia moves at a distance of 2.2993 ( perihelion ) to 3.6603 ( aphelion ) astronomical units in 5.1439 years of the sun. The orbit is inclined 6.1690 ° to the ecliptic, the orbital eccentricity is 0.2284.

Adrasteia has a diameter of 42 kilometers. It has a dark surface with an albedo of 0.078. In around 18 hours and 21 minutes to rotate around its own axis.

Adrasteia is also the name of a moon of Jupiter, see Adrasteia ( moon).