Isaac Scientific Publishing

Advances in Astrophysics

Effects of Poynting-Robertson Drag and Oblateness on the Stability of Photogravitational Restricted Three-Body Problem

Download PDF (400.7 KB) PP. 36 - 46 Pub. Date: May 1, 2016

DOI: 10.22606/adap.2016.11003


  • Jaiyeola Sefinat. B.*
    Department of Physical Sciences, College of Natural Sciences, Al-Hikmah University, P.M.B 1601,Ilorin, Kwara State, Nigeria
  • Abdulrazaq Abdulraheem
    Department of Statistics and Mathematical Sciences,Kwara State University, Malete, Kwara State, Nigeria.
  • Titiloye, Emmanuel O.
    Department of Mathematics, University,of Ilorin, PMB 1515, Ilorin, Kwara State, Nigeria.


This research work investigates the effect of Poynting-Robertson (P-R) drag on the stability of the triangular libration points of the Restricted Three Body Problem (RTBP) when the primaries are considered to be oblate spheroid as well as sources of radiation. We established the equations of motion, which incorporated the perturbing forces, for the system. Using linear approximations, we obtained the triangular libration points in terms of the perturbing parameters and found that they were affected by them. Due to the nature of the characteristics equation corresponding to the variational equations of motion of the system obtained, we employed Murray’s criteria and concluded that the triangular libration points remained unstable.


Stability, libration points, oblateness, P-R drag, RTBP.


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