S/2003 J 15

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S/2003 J 15 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 2003.[1][2]

S/2003 J 15 is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 22,721 Mm in 699.676 days, at an inclination of 142° to the ecliptic (142° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.0932.

It is the outermost member of the Ananke group, retrograde irregular moons which orbit Jupiter between 19.3 and 22.7 Gm, at inclinations of roughly 150°.


  1. ^ IAUC 8116: Satellites of Jupiter and Saturn 2003 April (discovery)
  2. ^ MPEC 2003-G17: S/2003 J 15 2003 April (discovery and ephemeris)