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Autonoe

Planet of Origin

Jupiter

Discoverers

Scott S. Sheppard, David C. Jewitt and Jan T. Kleyna

Date of Discovery

December 10, 2001

Place of Discovery

Mauna Kea Observatory

Surface Color

Unknown (possibly grey due to it being a Pasiphae grouped moon)

Alternate Name(s)

Jupiter XXVIII

Autonoe, also known as Jupiter XXVIII, is a retrograde irregular-shaped satellite belonging to the outer planet of Jupiter. Autonoe was discovered by Scott S. Sheppard, David C. Jewitt and Jan T. Kleyna on December 10, 2001 at the Mauna Kea Observatory. This satellite belongs to the Pasiphae group, a group of retrograde irregular satellites. Autonoe orbits Jupiter in about 760 Earth days.

FormationEdit

Autonoe was formed from the creation of the Pasiphae group. When a C-type asteroid from the Asteroid belt was pulled in by Jupiter's gravitational pull, it suffered only one collision. This collision shot debris into space and it became the Pasiphae group, with Pasiphae being the largest of the group.

SurfaceEdit

The surface of Autonoe is possibly grey due to it being a part of the Pasiphae group, with Pasiphae being a very light grey. Autonoe's surface has never been viewed clearly, but shows signs of visible craters. The infrared spectrum shows mountainous areas and color spectra matching those of Sinope, a nearly black-grey satellite of the Pasiphae group.

NamingEdit

Autonoe was named after the mother of the Graces of Jupiter according to some authors. It is confirmed by the IAU that all satellite names ending in the letter "e" are outer retrograde satellites.

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