Secondary resonance effect in the motion of a spacecraft in the atmosphere

摘要

The motion of a spacecraft with a small asymmetry is considered on nonresonant legs of a trajectory in the at- mosphere. In the equations of SC motion, which were derived by the method of averaging, starting from the second approximation and continuing, there are secular terms with a resonant difference of frequencies in the denominator. It is conventional to call the influence of these terms on the variation of the system's slow vari- ables a secondary resonance effect. We study in detail the secondary resonance effect for the equation describ- ing the SC angular velocity with respect to its longitudinal axis.