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Ganymede
Jupiters moon Ganymede.jpg

Order

7

Diameter

5262.4 km

Discovery Year

1610

Group

Galilean

Discoverer

Galileo Galilei

Satellite of

Jupiter

Distance from Jupiter

1,069,200km

Time to complete one orbit

7.15 days

Ganymede is the seventh natural satellite of Jupiter. It was discovered in 1610 by Galileo Galilei. It is part of the Galilean group of Jovian satellites. Ganymede has a thin atmosphere composed primarily of Ozone and Oxygen.