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The formula:  We'll use data from Jupiter's moon Io: M1 = mass of Jupiter r = distance of Io from Jupiter = 4.22 x 108 m T = period of Io's orbit (in seconds) = 1.53 x 105 s G = 6.673 x 10-11 
You can enter this entire expression on your calculator which is the accepted value for the mass of Jupiter. |