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Blog Tour & Giveaway: Escape Velocity by Susan Wolfe http://thepenmuse.net/blog-tour-giveaway-escape-velocity-susan-wolfe/?utm_campaign=coschedule&utm_source=pinterest&utm_medium=Denise%20Alicea&utm_content=Blog%20Tour%20and%20Giveaway%3A%20Escape%20Velocity%20by%20Susan%20Wolfe

Io (moon) Jupiter Discovery Discovered by Galileo Galilei Discovery date January 8, 1610[1] Designations Alternative names Jupiter I Adjective Ionian Orbital characteristics Periapsis 420000 km (0.002807 AU) Apoapsis 423400 km (0.002830 AU) Mean orbit radius 421700 km (0.002819 AU) Eccentricity 0.0041 Orbital period 1.769137786 d (152853.5047 s, 42.45930686 h) Average orbital speed 17.334 km/s Inclination 2.21° (to the ecliptic) 0.05° (to Jupiter's equator) Satellite of Jupiter Physical…