Hegemone (IPA: /hɪˈdʒɛməni/, hi-jem'-a-nee, Greek ‘Ηγεμόνη) (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 S/2003 J 8. 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 (150° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.4077.
It is named after Hegemone, one of the Graces, and a daughter of Zeus (Jupiter).
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°.
... | S/2003 J 4 | Hegemone | Arche | ...
Jupiter's natural satellites
Inner satellites | Galilean moons: Io, Europa, Ganymede, and Callisto | Themisto | Himalia group | Carpo | S/2003 J 12 | Ananke group | Carme group | Pasiphaë group | S/2003 J 2
see also: The Solar System
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