Aitne

Aitne, also known as Jupiter XXXI, is a retrograde irregular-shaped satellite belonging to the outer planet of Jupiter. This satellite was discovered by Scott S. Sheppard, David C. Jewett, and Jan T. Kleyna at the Mauna Kea Observatory on December 9, 2001. This satellite is part of the Carme group, a group of retrograde irregular satellites with Carme being the largest of the group.

Formation
Aitne was formed by the fragments of the formation of the Carme group. When a C-type asteroid was pulled into Jupiter's orbit. Yet, it suffered many collisions, which pushed debris into orbit, creating the moons of the Carme group. Carme was the largest of this group, and that is how the satellite group was named.

Surface
Aitne has a grey surface, due to it being a Carme group. Aitne is substantially darker than the other Carme grouped moons. This may be because of the amount of ions released from different moons of the Carme group, causing the discoloration of Aitne.

Non-Spherical Shape
Carme grouped moons all do not possess enough mass to maintain hydrostatic equilibrium. Aitne does not contain enough mass either, like the other Carme-grouped moons.

Naming
Aitne was mamed after a Sicilian nymph that was claimed to have been raped by the Roman god, Jupiter. It is also Greek for "I burn", which is associated with Mount Etna, one of Sicily's volcano.