Unformatted text preview: rotating (usually the sun for our purposes). This relationship is extremely general and can be used to calculate rotational periods of binary star systems or the orbital periods of space shuttles around the earth. A problem involving Kepler's Third Law The orbit of Venus around the sun is roughly circular, with a period of 0.615 years. Suppose a large asteroid crashed into Venus, instantaneously decelerating its motion, such that it was thrown into an elliptical orbit with aphelion length equal to the radius of the old orbit, and with a smaller perihelion length equal to $98 \times 10^6$ kilometers. What is the period of this new orbit?...
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 Fall '10
 DavidJudd
 Physics, Mass, Planet, Kepler's laws of planetary motion, Orbital Period

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