“... cumulativo ao longo do tempo. === The influence of the Earth’s magnetic field on the orbital motion...”
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“... as pertubações consideradas. === A theory to study the orbital motion of artificial satellites under the effects...”
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“... present an analytical theory with numerical simulations to study the orbital motion of artificial...”
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“... causing additional perturbation in the satellite orbital motion. Inspite of being very small...”
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“... with the shaftdisc in circular orbit motion. An experimental work was carried out in order to obtain the mode shapes...”
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“... and the Moon in the last years. These studies involve different disturbances and resonances in the orbital...”
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