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Ananke(ənăng`kē), in astronomy, one of the 39 known moons, or natural satellites, of JupiterJupiter
, in astronomy, 5th planet from the sun and largest planet of the solar system. Astronomical and Physical Characteristics
Jupiter's orbit lies beyond the asteroid belt at a mean distance of 483.6 million mi (778.
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Ananke(ă-nank -ee) A small satellite of Jupiter, one of the planet's many outer satellites, discovered in 1951 by the US astronomer Seth Nicholson (1891–1963). See Jupiter's satellites; Table 2, backmatter.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
A small satellite of Jupiter with a diameter of about 14 miles (23 kilometers), orbiting with retrograde motion at a mean distance of 1.3 × 107 miles (2.1 × 107 kilometers). Also known as Jupiter XII.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.