Hermippe (moon)

IFA Hawaii

Hermippe ( Jupiter XXX) is one of the smallest known outer moons of Jupiter.

Discovery

Hermippe was discovered on December 9, 2001 by astronomers at the University of Hawaii. It was initially provisional designation S/2001 J 3

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

Path data

Hermippe orbits Jupiter at an average distance of 21,131,000 km in 633 days and 22 hours. The track has an eccentricity of 0.210. With an inclination of 150.7 ° 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 Hermippe the Ananke group, named after Jupiter's moon Ananke assigned.

Physical data

Hermippe has an average diameter of about 4 km. Their density is estimated to be 2.6 g / cm ³. It is probably made ​​up predominantly of silicate rock. Hermippe has a very dark surface with an albedo of 0.04, which means that only 4% of the incident sunlight is reflected. Their apparent brightness is 22.1 m.

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