A note on lower bounds for relative equilibria in the main problem of artificial satellite theory |
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| Authors: | Sebastián Ferrer Juan Félix San-Juan Alberto Abad |
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| Institution: | (1) Dpto. de Matemática Aplicada, Universidad de Murcia, Espinardo, 30071, Spain;(2) Dpto. de Matemática y Computación, Universidad de La Rioja, La Rioja, 26004, Spain;(3) Grupo de Mecánica Espacial, IUMA, Universidad de Zaragoza, Zaragoza, 50009, Spain |
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| Abstract: | In the analytical approach to the main problem in satellite theory, the consideration of the physical parameters imposes a
lower bound for normalized Hamiltonian. We show that there is no elliptic frozen orbits, at critical inclination, when we
consider small values of H, the third component of the angular momentum. The argument used suggests that it might be applied also to more realistic
zonal and tesseral models. Moreover, for almost polar orbits, when H may be taken as another small parameter, a different approach that will simplify the ephemerides generators is proposed. |
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| Keywords: | Satellite theory Main problem Normalization Critical inclination Frozen orbits Very eccentric orbits |
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