Abstract :
[en] The paper introduces a new model for the motion about an oblate planet under
the influence of the atmospheric drag. Both qualitative and quantitative
insights are revealed, as well as closed-form equations of motion. The main
tool consists in averaging the effects of both perturbations (oblateness and
drag), and deriving the variational equations for the vectorial orbital
elements. The model is singularity-free and may serve as an initial guess
for control problems, as well as an analytic propagator.
Publisher :
Univelt, Inc, San Diego, CA, United States
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