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A satellite orbits a planet with an aphelion of 0.700 AU and a perihelion of 0.338...

A satellite orbits a planet with an aphelion of 0.700 AU and a perihelion of 0.338 AU. What is the new aphelion in AU, assuming a constant perihelion, if its original period is (a) 150% and (b) four times longer? Express your answers in meters. 1 AU = 1.496 x 1011 m.

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