Astronomy:Euanthe (moon)

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Euanthe
Euanthe-discovery-CFHT-annotated.gif
Discovery images of Euanthe by the Canada-France-Hawaii Telescope in December 2001
Discovery[1]
Discovered byScott S. Sheppard et al.
Discovery siteMauna Kea Obs.
Discovery date11 December 2001
Designations
Designation
Jupiter XXXIII
Pronunciation/jˈænθ/
Named afterΕυάνθη Eyanthē
S/2001 J 7
AdjectivesEuanthean /jænˈθən/
Orbital characteristics[3]
20799000 km
Eccentricity0.232
Orbital period−602.81 days[2]
Mean anomaly130.5°
Inclination148.9°
Longitude of ascending node271.0°
316.0°
Satellite ofJupiter
GroupAnanke group
Physical characteristics
Mean diameter3 km
Apparent magnitude22.8


Euanthe /jˈænθi/, also known as Jupiter XXXIII, is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2001, and given the temporary designation S/2001 J 7.[4][1]

Euanthe is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 20,465 Mm in 602.81 days, at an inclination of 143° to the ecliptic (142° to Jupiter's equator) with an eccentricity of 0.2001.

It was named in August 2003 after Euanthe, who was the mother of the Graces, according to some Greek writers.[5]

Euanthe belongs to the Ananke group, retrograde irregular moons that orbit Jupiter between 19.3 and 22.7 Gm, at inclinations of roughly 150°.

References