- Additional Information
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Additional Information
Short Description Ananke is a retrograde irregular moon 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°. The orbital elements are as of January 2000. They are continuously changing due to Solar and planetary perturbations. Ananke (moon) - Wikipedia, the free encyclopedia Discovered by Seth Barnes Nicholson Discovery date September 28, 1951 Type Moon AddInfo Jupiter XII Satellite of Jupiter Orbit Retrograde Apoapsis 08 12 567 000 km Periapsis 08 29 063 500 km Semi-major axis 08 21 280 000 km Distance from Sun 01 5.202 60 au /33 Eccentricity 0.24 Orbital period 610.45 days | 1.680 year Orbital speed 02 2.367 km/s Inclination to the ecliptic 148.89° Inclination to the equator 149.9° Diameter/Size 02 28 km Mass 1016×3.0 kg Density 01 2.6 g/cm3 Surface gravity 0.010 m/s2 Escape velocity 02 17 m/s Albedo geometric 0.04 Temperature mean 03 124 K - Comments
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