Praxidike (moon)

IFA Hawaii

Praxidike ( Jupiter XXVII) is one of the smaller outer moons of Jupiter.

Discovery

Praxidike was discovered on 23 November 2000 by astronomers at the University of Hawaii. It was initially provisional designation S/2000 J 7

It was named after the moon Praxidike, a lover of Zeus in Greek mythology.

Path data

Praxidike orbits Jupiter at an average distance of 21,147,000 km in 625 days and 7 hours. The track has an eccentricity of 0.230. With an inclination of 149.0 ° to the local Laplace plane the web is retrograde, that is, the moon moves against the direction of rotation of Jupiter around the planet.

Because of their web properties is Praxidike the Ananke group, named after Jupiter's moon Ananke assigned.

Physical data

Praxidike has an average diameter of about 7 km. Their density is estimated to be 2.6 g / cm ³. It is probably made ​​up predominantly of silicate rock. Praxidike has a very dark surface with an albedo of 0.04, i.e., only 4% of the incident solar light is reflected. Their apparent brightness is 21.2 m.

659927
de