A satellite is placed in a circular orbit around the earth. The orbital radius of the satellite is r = 2.09 x 10^7 m. What is the period of this satellite in hours? Please round your answer to one decimal place. The mass of the earth, M, is approximately 6.0 x 10^24 kg and the gravitational constant, G, is 6.67 x 10^-11 Nm^2/kg^2.