Fig. 1. Diagram of cluster spacecraft cooperative trapping of a non-cooperative target

Fig. 2. Three-dimensional trajectories of spacecraft of both parties in the LVLH coordinate system

Fig. 3. Change curves of the relative position components of both parties

Fig. 4. Change curves of the relative velocity components of both parties

Fig. 5. Change curves of the relative distances of both parties

Fig. 6. Change curves of relative velocities of both parties

Fig. 7. Control acceleration of the cluster spacecraft under the optimal control strategy

Fig. 8. Control acceleration of the target spacecraft under the global optimal escape strategy

Fig. 9. Comparison diagram of the relative distance changes obtained by different methods