Bifurcations of highly inclined near halo orbits using Moser regularization
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866908804301455360 |
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| author | Joung, Chankyu Koh, Dayung van Koert, Otto |
| author_facet | Joung, Chankyu Koh, Dayung van Koert, Otto |
| contents | We study the bifurcation structure of highly inclined near halo orbits with close approaches to the light primary, in the circular restricted three-body problem (CR3BP). Using a Hamiltonian formulation together with Moser regularization, we develop a numerical framework for the continuation of periodic orbits and the computation of their Floquet multipliers which remains effective near collision. We describe vertical collision orbits and families emerging from its pitchfork, period-doubling, and period-tripling bifurcations in the limiting Hill's problem, including the halo and butterfly families. We continue these into the CR3BP using a perturbative framework via a symplectic scaling, and construct bifurcation graphs for representative systems (Saturn-Enceladus, Earth-Moon, Copenhagen) to identify common dynamical features. Conley-Zehnder indices are computed to classify the resulting families. Together, these results provide a coherent global picture of polar orbit architecture near the light primary, offering groundwork for future mission design, such as Enceladus plume sampling missions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_03849 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Bifurcations of highly inclined near halo orbits using Moser regularization Joung, Chankyu Koh, Dayung van Koert, Otto Dynamical Systems Earth and Planetary Astrophysics Symplectic Geometry We study the bifurcation structure of highly inclined near halo orbits with close approaches to the light primary, in the circular restricted three-body problem (CR3BP). Using a Hamiltonian formulation together with Moser regularization, we develop a numerical framework for the continuation of periodic orbits and the computation of their Floquet multipliers which remains effective near collision. We describe vertical collision orbits and families emerging from its pitchfork, period-doubling, and period-tripling bifurcations in the limiting Hill's problem, including the halo and butterfly families. We continue these into the CR3BP using a perturbative framework via a symplectic scaling, and construct bifurcation graphs for representative systems (Saturn-Enceladus, Earth-Moon, Copenhagen) to identify common dynamical features. Conley-Zehnder indices are computed to classify the resulting families. Together, these results provide a coherent global picture of polar orbit architecture near the light primary, offering groundwork for future mission design, such as Enceladus plume sampling missions. |
| title | Bifurcations of highly inclined near halo orbits using Moser regularization |
| topic | Dynamical Systems Earth and Planetary Astrophysics Symplectic Geometry |
| url | https://arxiv.org/abs/2512.03849 |