Английская Википедия:Helike (moon)
Helike Шаблон:IPAc-en, also known as Шаблон:Nowrap, is a moon 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 Шаблон:Nowrap.[1][2][3]
Helike is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 20.54 million kilometres in 601.402 days, at an inclination of 155° to the ecliptic (156° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.1375. Its average orbital speed is 2.48 km/s.
It was named in March 2005 after Helike, one of the nymphs that nurtured Zeus (Jupiter) in his infancy on Crete.[4]
Helike belongs to the Ananke group.
References
- Английская Википедия
- Ananke group
- Moons of Jupiter
- Irregular satellites
- Discoveries by Scott S. Sheppard
- Astronomical objects discovered in 2003
- Moons with a retrograde orbit
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