Hegemone (moon)

Hegemone (pron-en|hɨˈdʒɛməni "hə-JEM-ə-nee," or as in Greek "Ἡγεμόνη)," also known as nowrap|Jupiter XXXIX, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003, and given the temporary designation nowrap|S/2003 J 8. [ [http://cfa-www.harvard.edu/iauc/08000/08088.html IAUC 8088: "S/2003 J 8"] 2003 March 6 (discovery)] [ [http://cfa-www.harvard.edu/mpec/K03/K03E24.html MPEC 2003-E24: "S/2003 J 8"] 2003 March 6 (discovery and ephemeris)]

Hegemone is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 23,703 Mm in 745.500 days, at an inclination of 153° to the ecliptic (151° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.4077.

It was named in March 2005 after Hegemone, one of the Graces, and a daughter of Zeus (Jupiter). [ [http://cfa-www.harvard.edu/iauc/08500/08502.html IAUC 8502: "Satellites of Jupiter"] 2005 March 30 (naming the moon)]

Hegemone belongs to the Pasiphaë group, irregular retrograde moons orbiting Jupiter at distances ranging between 22.8 and 24.1 Gm, and with inclinations ranging between 144.5° and 158.3°.

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