Adrastea (moon)

For the asteroid, see 239 Adrastea. For the moon of Jupiter known by this name 1955-1975, see Ananke (moon). Adrastea (ad'-rə-stee'-ə, , Greek Αδράστεια) or , is the second of Jupiter's known moons (counting outward from the planet). It was discovered by David C. Jewitt and G. Edward Danielson in Voyager 2 probe photographs taken in 1979 and received the designation . In 1983, it was officially named after the mythological Adrastea, who was a daughter of Jupiter and Ananke.
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