Nereid is proposed as Neptune's sole surviving regular satellite rather than a captured irregular satellite, based on new spectroscopic data and dynamical modeling.
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Using occultation-derived sizes and Herschel thermal data, the study identifies three previously unknown likely binary TNOs and reports satellite size estimates while confirming no sizable satellites are needed for three others.
Tidal synchronization of Pluto-Charon can occur via inward migration from a distant capture, producing temporary 3:2 to 7:2 resonances, lower dissipation, and reduced tidal stress compared with recession models.
citing papers explorer
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Nereid as a Regular Satellite of Neptune
Nereid is proposed as Neptune's sole surviving regular satellite rather than a captured irregular satellite, based on new spectroscopic data and dynamical modeling.
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Probing close-in satellites of Trans-Neptunian Objects through thermal and direct size measurements
Using occultation-derived sizes and Herschel thermal data, the study identifies three previously unknown likely binary TNOs and reports satellite size estimates while confirming no sizable satellites are needed for three others.
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Synchronisation of a tidal binary by inward orbital migration. The case of Pluto and Charon
Tidal synchronization of Pluto-Charon can occur via inward migration from a distant capture, producing temporary 3:2 to 7:2 resonances, lower dissipation, and reduced tidal stress compared with recession models.