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Astrophysics and Space Science

, 361:382 | Cite as

Corrected Newtonian potentials in the two-body problem with applications

  • M.-C. Anisiu
  • I. Szücs-Csillik
Original Article

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 \(U_{3}\), and then by the zonal one. For the continued fractional potential \(U_{2}\) 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.

Keywords

Celestial mechanics Newtonian potential Two-body problem Circular orbits 

Notes

Acknowledgements

The authors are deeply indebted to the reviewers and to the editor for their valuable comments and suggestions.

The work of the second author was partially supported by a grant of the Romanian National Authority for Scientific Research, CNDI-UEFISCDI, project number PN-II-PT-PCCA-2011-3.2-0651 (AMHEOS).

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Copyright information

© Springer Science+Business Media Dordrecht 2016

Authors and Affiliations

  1. 1.Romanian AcademyTiberiu Popoviciu Institute of Numerical AnalysisCluj-NapocaRomania
  2. 2.Romanian Academy, Institute of AstronomyAstronomical Observatory Cluj-NapocaCluj-NapocaRomania

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