| Name | Name:Ganymede | Name:Io | 
| Radius From Center | Radius From Center:2,631 km, (1,635 mi) | Radius From Center:1,822 km, (1,132 mi) | 
| Distance From Sun | Distance From Sun:n/a | Distance From Sun:n/a | 
| Description | Description:Moon of Jupiter | Description:Moon of Jupiter | 
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