Thyone (IPA: /θaɪˈoʊni/, thye-oe'-nee, Greek Θυώνη) (Jupiter XXIX) is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard, et al. in 2001, and given the temporary designation S/2001 J 2. Thyone is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 21,406 Mm in 639.803 days, at an inclination of 147° to the ecliptic (116° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2526.
Thyone belongs to the Ananke group, retrograde irregular moons which orbit Jupiter between 19.3 and 22.7 Gm, at inclinations of roughly 150°.
... | Hermippe | Thyone | Mneme | ...
Jupiter's natural satellites
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