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Jupiter's moon Himalia

Jupiter's moon Himalia
Jupiter's moon Himalia This is the best image we have of Jupiter's moon Himalia, captured by the New Horizons spacecraft as it passed through the Jupiter system on March 1, 2007. NASA / JHUAPL / SwRI / Emily Lakdawalla

Himalia is Jupiter's largest irregular satellite and is about 170 kilometers in diameter, similar in size to Saturn's moon Janus. The photo was taken by New Horizons from a distance of 10.8 million kilometers at a phase angle of 73 degrees. It has been enlarged by a factor of four.