Repeat Ground Track Orbits of the Earth Tesseral Problem as Bifurcations of the Equatorial Family of Periodic Orbits |
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Authors: | Martín Lara |
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Affiliation: | (1) Real Observatorio de la Armada, E-11110 San Fernando, Spain, e-mail |
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Abstract: | Orbits repeating their ground track on the surface of the earth are found to be members of periodic-orbit families (in a synodic frame) of the tesseral problem of the Earth artificial satellite. Families of repeat ground track orbits appear as vertical bifurcations of the equatorial family of periodic orbits, and they evolve from retrograde to direct motion throughout the 180 degrees of inclination. These bifurcations are always close to the resonances of the Earth's rotation rate and the mean motion of the orbiter. |
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Keywords: | artificial satellite periodic orbits linear stability bifurcations |
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