Orbital eccentricity significantly affects the positions of Lagrange points L4 and L5
Orbital eccentricity affects the dynamics and positions of both triangular and collinear Lagrange points, altering the classical restricted three-body problem framework.
The claim is specific and empirical, addressing celestial mechanics within the context of the elliptic restricted three-body problem. Multiple relevant papers ([5], [6], [9], [11]) investigate the elliptic restricted three-body problem and explicitly confirm that orbital eccentricity affects the location and stability of Lagrange points (both triangular and collinear). Therefore, the claim is well-supported by the literature.
J. Fitzgerald, S. Ross. Geometry of transit orbits in the periodically-perturbed restricted three-body problem. 2022. https://doi.org/10.1016/j.asr.2022.04.029
Paper [5] notes that time-periodic perturbations, such as the orbital eccentricity of the primaries, replace stationary Lagrange points with periodic orbits.
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A. Jency, R. Sharma. Location and stability of the triangular Lagrange points in photo-gravitational elliptic restricted three body problem with the more massive primary as an oblate spheroid. 2019. https://doi.org/10.14419/ijaa.v7i2.29814
Paper [6] explicitly studies the elliptic restricted three-body problem and concludes that parameters including eccentricity influence the location of the triangular Lagrangian points.
M. Radwan, N. S. Abd El Motelp. Location and Stability of the Triangular Points in the Triaxial Elliptic Restricted Three-Body Problem. 2021. https://doi.org/10.22201/ia.01851101p.2021.57.02.05
Paper [9] demonstrates that the locations of triangular equilibrium points in the elliptic restricted three-body problem are affected by the eccentricity of the orbits.
M. B. Saputra, H. Ramadhan, I. N. Huda, L. B. Putra. Location of the collinear equilibrium points in the elliptic restricted three-body problem with various perturbation effects. 2024. https://doi.org/10.1088/1742-6596/2866/1/012077
Paper [11] shows that the positions of collinear Lagrange points shift and are dependent on eccentricity in the perturbed elliptic restricted three-body problem.
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