Abstract

This paper studies the existence and stability of the artificial equilibrium points (AEPs) in the low-thrust restricted three-body problem when both the primaries are oblate spheroids. The artificial equilibrium points (AEPs) are generated by canceling the gravitational and centrifugal forces with continuous low-thrust at a non-equilibrium point. Some graphical investigations are shown for the effects of the relative parameters which characterized the locations of the AEPs. Also, the numerical values of AEPs have been calculated. The positions of these AEPs will depend not only also on magnitude and directions of low-thrust acceleration. The linear stability of the AEPs has been investigated. We have determined the stability regions in the xy, xz and yz-planes and studied the effect of oblateness parameters A1(0<A1<1) and A2(0<A2<1) on the motion of the spacecraft. We have found that the stability regions reduce around both the primaries for the increasing values of oblateness of the primaries. Finally, we have plotted the zero velocity curves to determine the possible regions of motion of the spacecraft.

Highlights

  • The restricted three-body problem is one of the most important problem in the field of celestial mechanics

  • This paper studies the existence and stability of the artificial equilibrium points (AEPs) in the low-thrust restricted three-body problem when both the primaries are oblate spheroids

  • We have studied the combined effect of oblateness of the primaries on the motion of the spacecraft in the low-thrust R3BP

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Summary

Introduction

The restricted three-body problem is one of the most important problem in the field of celestial mechanics. In their study, they have introduced a new concept of creating AEPs in the R3BP when the third body uses a hybrid of solar-sail and electric propulsion. They have found the stable regions of AEPs by a parametric analysis and studied the effect of the mass ratio and ellipsoid parameters on the stable region They have analyzed the effect of the continuous low-thrust on the feasible region of motion by ZVCs. In the present work, we have focussed on the study of the motion of the spacecraft in the low-thrust restricted three-body problem when both the primaries are oblate spheroids. In Secttion 6, we have concluded the results obtained

Equations of Motion
Locations of the Artificial Equilibrium Points
A2 2r22
Stability of the Artificial Equilibrium Points
Zero Velocity Curves
Conclusions
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