An analysis of the capabilities of a recoverable satellite system. The study considers the problem of determining the magnitude and direction of a velocity impulse required to return a satellite at a specified spot on the earth. The dispersion in range and deflection about the desired impact point is evaluated in terms of the capabilities of the vehicle propulsion and attitude control system, as well as of the satellite tracking system. In addition, a velocity diagram is developed which provides a convenient tool for determining the subsequent characteristics of a trajectory as a function of the velocity and path direction corresponding to a given initial position.
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