Not to be confused with Io. Io Io (Moon)Gallery Official Name Io Location Details Universe Real World Galaxy Milky Way Sector Sector 2814 Star System Sol Planet Jupiter First appearance Unknown Contents[show] History Io is the innermost of the four Galilean moons (the biggest four) of Jupiter. Notes No special notes. Trivia No trivia. See Also Appearances of Io (Moon) Location Gallery: Io (Moon) Links and References Io (moon) at Wikipedia.org Retrieved from "https://heykidscomics.fandom.com/wiki/Io_(Moon)?oldid=452064" Categories: Pages with broken file links Locations Templated Articles Real World Milky Way Sol Jupiter Moons Community content is available under CC-BY-SA unless otherwise noted.