Everything about Ananke Moon totally explained
Ananke (ə-nang'-kee, ; Greek
Ανάγκη) is a
retrograde irregular satellite of
Jupiter. It was discovered by
Seth Barnes Nicholson at
Mount Wilson Observatory in
1951 and is named after the mythological
Ananke, the mother of
Adrastea by
Jupiter. The adjectival form of the name is
Anankean.
Ananke didn't receive its present name until
1975; before then, it was simply known as . It was sometimes called "Adrastea" between 1955 and 1975. Note that
Adrastea is now the name of another satellite of Jupiter.
Ananke gives its name to the
Ananke group, retrograde irregular moons which orbit Jupiter between 19.3 and 22.7 Gm, at inclinations of roughly 150°.
Orbit
Ananke orbits Jupiter on a high eccentricity and high inclination retrograde orbit. Eight irregular satellites discovered since 2000 follow similar orbits. of an original break-up forming the
Ananke group.
Physical characteristics
In the visible
spectrum, Ananke appears neutral to light-red (
colour indices B-V=0.90 V-R=0.38).
Further Information
Get more info on 'Ananke Moon'.
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