“…According to the formulation of the restricted 2 + 2 body problem given by [5,21,22], R2 + 2BP is characterized by three parameters, µ, µ 1 and µ 2 , which are the mass parameters of M 2 , P 1 , and P 2 , respectively. We consider a perturbed R2+2BP in the rotating coordinate system.…”