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A solid circular cylindrical satellite of radius 1 m, length 4 m, and mass 250 kg is in a circular earth orbit with a period of 90 min. The cylinder is spinning at 0.001 rad/s (no precession) around its axis, which is aligned with the y-axis of the Clohessy-Wiltshire frame. Calculate the magnitude of the external torque required to maintain this attitude.

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