Abstract This paper investigates the motion of two infinitesimal masses on the location and stability of the equilibrium points in Robe’s restricted problem of 2 + 2 bodies with the bigger primary a Roche ellipsoid and the smaller a triaxial body. We suppose the bigger primary of mass m 1 to be filled with a homogeneous incompressible fluid of density ρ 1. The third and the fourth bodies (of mass m 3 and m 4 respectively) are small solid spheres of density ρ 3 and ρ 4 respectively inside the ellipsoid, with the assumption that the mass and the radius of the third and the fourth body are infinitesimal. We assume that m 2 is describing a circle around m 1. The masses m 3 and m 4 mutually attract each other, do not influence the motion of m 1 and m 2 but are influenced by them. We have taken into consideration all the three components of the pressure field in deriving the expression for the buoyancy force viz (i) due to the own gravitational field of the fluid (ii) that originating in the attraction of m 2 (iii) that arising from the centrifugal force. In this paper, equilibrium solutions of m 3 and m 4 and their linear stability are analyzed.
Robe’s Restricted Problem of 2 + 2 Bodies with a Roche Ellipsoid - Triaxial System
The Journal of the Astronautical Sciences ; 65 , 1 ; 63-81
18.12.2017
19 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Robe’s restricted problem , Stability , Buoyancy force , Triaxial , Roche ellipsoid , Equilibrium solution Engineering , Aerospace Technology and Astronautics , Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) , Mathematical Applications in the Physical Sciences
Robe’s Restricted Problem of 2 + 2 Bodies with a Roche Ellipsoid - Triaxial System
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