Hegemone (moon)
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Hegemone or Jupiter XXXIX, is a moon of Jupiter. It was found by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003, and given the 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), 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 Pasiphaë group, non-spherical retrograde moons orbiting Jupiter at distances ranging between 22,800,000 and 24,100,000 km, and with inclinations ranging between 144.5° and 158.3°.
[change] References
- ↑ 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)
Moons of Jupiter | |
---|---|
Listed in increasing distance from Jupiter. Temporary names in italics. | |
Amalthea group | Metis · Adrastea · Amalthea · Thebe |
Galilean moons | Io · Europa · Ganymede · Callisto |
Themisto | |
Himalia group | Leda · Himalia · Lysithea · Elara · S/2000 J 11 |
Carpo · S/2003 J 12 | |
Ananke group | Ananke · Praxidike · Harpalyke · Iocaste · Euanthe · Thyone (core) Euporie · S/2003 J 3 · S/2003 J 18 · Thelxinoe · Helike · Orthosie · S/2003 J 16 · Hermippe · Mneme · S/2003 J 15 (peripheral) |
Carme group | S/2003 J 17 · S/2003 J 10 · Pasithee · Chaldene · Arche · Isonoe · Erinome · Kale · Aitne · Taygete · S/2003 J 9 · Carme · S/2003 J 5 · S/2003 J 19 · Kalyke · Eukelade · Kallichore |
Pasiphaë group | Eurydome · S/2003 J 23 · Hegemone · Pasiphaë · Sponde · Cyllene · Megaclite · S/2003 J 4 · Callirrhoe · Sinope · Autonoe · Aoede · Kore |
S/2003 J 2 |