Aitne or Jupiter XXXI , is a non- spherical moon of Jupiter . It was found by a team of astronomers from the University of Hawaii led by Scott S. Sheppard , et al. in 2001 , and given the designation S/2001 J 11 . ^{[1] [2]}

Aitne is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 22,285,000 km in 679.641 days, at an inclination of 166° to the ecliptic (164° to Jupiter's equator), with an orbital eccentricity of 0.393.

It was named in August 2003 ^[3] after Aitna or Aitne, the divine personification of Mount Etna , whose sons by Zeus (Jupiter) are the Palici , the twin sicilian gods of geysers (other authors have them descend from Thalia and/or Hephaistos ).

Aitne belongs to the Carme group , made up of non-spherical irregular retrograde moons orbiting Jupiter at a distance ranging between 23,000,000 and 24,000,000 km and at an inclination of about 165°.

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