S/2003 J 18
From Wikipedia, the free encyclopedia
S/2003 J 18 is a natural satellite of Jupiter. It was discovered by a team of astronomers led by Brett J. Gladman in 2003.
S/2003 J 18 is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 19,813 Mm in 569.728 days, at an inclination of 147° to the ecliptic (149° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.1570.
It belongs to the Ananke group, retrograde irregular moons which orbit Jupiter between 19.3 and 22.7 Gm, at inclinations of roughly 150°.
edit Jupiter's natural satellites |
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Inner satellites | Galilean moons | Themisto | Himalia group | Carpo | S/2003 J 12 | Ananke group | Carme group | Pasiphaë group | S/2003 J 2 |
See also: Pronunciation key | Rings of Jupiter |