Spacecraft Dynamics and Control
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Abstract
Abstract
Abstract We study the contact geometry of the connected components of the energy hypersurface, in the symmetric restricted 3-body problem on S 2 , for a specific type of motion of the primaries. In particular, we show that these components are of contact type for all energies below the first critical value and slightly above it. At some critical steps, this is achieved using a computer-assisted proof in the form of validated numerics. We prove that these components, suitably compactified using a Moser-type regularization are contactomorphic to RP 3 with its unique tight contact structure or to the connected sum of two copies of it, depending on the value of the energy. We exploit Taubes’ solution of the Weinstein conjecture in dimension three, to infer the existence of periodic orbits in all these cases.
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@article{Arsie2026Contact,
title = {Contact geometry of the restricted three-body problem on S 2},
author = {Alessandro Arsie and Kürşat Yilmaz},
journal = {Nonlinearity},
year = {2026},
doi = {10.1088/1361-6544/ae7fe5},
url = {https://doi.org/10.1088/1361-6544/ae7fe5}
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