Orthosie is one of the moons of Jupiter. It is a member of the Himalia group, which is a group of irregularly shaped moons that orbit Jupiter at relatively large distances. Orthosie was discovered in 2001 and is relatively small, with a diameter of about 20 kilometers (12 miles). The moon is notable for its irregular shape and its orbit, which is characteristic of many of the outer moons of Jupiter.
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