Orbit
Ananke orbits Jupiter on a high eccentricity and high inclination retrograde orbit. Eight irregular satellites were discovered since 2000 following similar orbits. The orbital elements are as of January 2000. They are continuously changing due to Solar and planetary perturbations. The diagram illustrates Ananke's orbit in relation to other retrograde irregular satellites of Jupiter. The eccentricity of selected orbits is represented by the yellow segments (extending from the pericentre to the apocentre). The outermost regular satellite Callisto is located for reference.
Given these orbital elements and the physical characteristics known so far, Ananke is thought to be the largest remnant of an original break-up forming the Ananke group.
Read more about this topic: Ananke (moon)
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