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A set of orbital elements to fully represent the zonal harmonics around an oblate celestial body

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arxiv 2010.12722 v1 pith:MR5HKLAQ submitted 2020-10-24 astro-ph.EP math.DS

A set of orbital elements to fully represent the zonal harmonics around an oblate celestial body

classification astro-ph.EP math.DS
keywords elementsorbitalbodycelestialharmonicsoblateperturbationproblem
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This work introduces a new set of orbital elements to fully represent the zonal harmonics problem around an oblate celestial body. This new set of orbital elements allows to obtain a complete linear system for the unperturbed problem and, in addition, a complete polynomial system when considering the perturbation produced by the zonal harmonics from the gravitational force of an oblate celestial body. These orbital elements present no singularities and are able to represent any kind of orbit, including elliptic, parabolic and hyperbolic orbits. In addition, an application to this formulation of the Poincar\'e-Lindstedt perturbation method is included to obtain an approximate first order solution of the problem for the case of the J2 perturbation.

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