Hegemone (moon)
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Hegemone Template:IPAc-en, also known as Jupiter XXXIX, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S. Sheppard in 2003, and given the temporary designation S/2003 J 8.[1][2]
Hegemone is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 23,703,000 km 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).[3]
Hegemone belongs to the Pasiphae group, irregular retrograde moons orbiting Jupiter at distances ranging between 22.8 and 24.1 million km, and with inclinations ranging between 144.5° and 158.3°.
References
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- ↑ IAUC 8088: S/2003 J 8 2003 March 6 (discovery)
- ↑ MPEC 2003-E24: S/2003 J 8 2003 March 6 (discovery and ephemeris)
- ↑ IAUC 8502: Satellites of Jupiter 2005 March 30 (naming the moon)
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