Solar System: Jupiter’s moons

Io Mean Distance from Jupiter 422,000 km (262,219 miles) Orbital Period around Jupiter 1.769 Earth days Mean Diameter 3,630 km (2,256 miles) Year Discovered 1610 Europa Mean Distance from Jupiter 671,000 km (416,940 miles) Orbital Period around Jupiter 3.551 Earth days Mean Diameter 3,130 km (1,945 miles) Year Discovered 1610 Ganymede Mean Distance from Jupiter 1,070,000 km (664,867 miles) Orbital Period around Jupiter 7.155 Earth days Mean Diameter 5,268 km (3,273 miles) Year Discovered 1610 Callisto Mean Distance from Jupiter 1,883,000 km (1,170,042 miles) Orbital Period around Jupiter 16.689 Earth days Mean Diameter 4,806 km (2,986 miles) Year Discovered 1610 Amalthea Mean Distance from Jupiter 181,300 km (112,655 miles) Orbital Period around Jupiter 0.498179 Earth days Mean Diameter 262 x 146 x 134 km (163 x 91 x 83 miles) Year Discovered 1892 Himalia Mean Distance from Jupiter 11,480,000 km (7,133,341 miles) Orbital Period around Jupiter 250.5662 Earth days Mean Diameter 170 km (106 miles) Year Discovered 1904 Elara   Mean Distance from Jupiter 11,737,000 km (7,293,034 miles) Orbital Period around Jupiter 259.65 Earth days Mean Diameter 76 km (47 miles) Year Discovered 1905 Pasiphae   Mean Distance from Jupiter 23,500,000 km (14,602,223 miles) Orbital Period around Jupiter 735 Earth days Mean Diameter 36 km (22 miles) Year Discovered 1908 Original images located on various NASA websites including: http://photojournal.jpl.nasa.gov/index.html and http://nssdc.gsfc.nasa.gov/photo_gallery/