Abstract
The paper deals with an analytical study of various corrected Newtonian potentials. We offer a complete description of the corrected potentials, for the entire range of the parameters involved. These parameters can be fixed for different models in order to obtain a good concordance with known data. Some of the potentials are generated by continued fractions, and another one is derived from the Newtonian potential by adding a logarithmic correction. The zonal potential, which models the motion of a satellite moving in the equatorial plane of the Earth, is also considered. The range of the parameters for which the potentials behave or not similarly to the Newtonian one is pointed out. The shape of the potentials is displayed for all the significant cases, as well as the orbit of Raduga-1M 2 satellite in the field generated by the continued fractional potential U3, and then by the zonal one. For the continued fractional potential U2 we study the basic problem of the existence and linear stability of circular orbits. We prove that such orbits exist and are linearly stable. This qualitative study offers the possibility to choose the adequate potential, either for modeling the motion of planets or satellites, or to explain some phenomena at galactic scale
Authors
Mira Cristiana Anisiu
Romanian Academy, Tiberiu Popoviciu Institute of Numerical Analysis, Cluj-Napoca
Iharka Szucs-Csillik
Romanian Academy, Institute of Astronomy, Astronomical Observatory Cluj-Napoca
Keywords
Celestial mechanics; Newtonian potential; Two-body problem; Circular orbits
Paper coordinates
M.-C. Anisiu, I. Szucs-Csillik, Corrected Newtonian potentials in the two-body problem with applications, Astrophys. Space Sci., 361 (2016) 382, 8 pp., https://doi.org/10.1007/s10509-016-2967-x
About this paper
Journal
Astrophysics and Space Science
Publisher Name
Springer
Print ISSN
0004-640X
Online ISSN
1572-946X
google scholar link
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