August 20, 2024Open Access

The missing rings around Solar System moons

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Circumsatellital rings can remain dynamically stable over long periods around major moons exhibiting a lower Roche-to-Hill radius ratio.
Orbital parameters show minimal variation around Iapetus and Rhea, supporting past ring decay as the origin of Iapetus' equatorial ridge.
N-body simulations reveal that perturbations from host planets and companion moons induce ring gaps by exciting particle eccentricity.

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Implication

N-body simulations reveal circumsatellital rings remain dynamically stable around select moons, suggesting non-gravitational phenomena cause their absence.

Cite This Study

Sucerquia et al. (2024) studied this question.

synapsesocial.com/papers/68e5bb23b6db64358755305c https://doi.org/10.48550/arxiv.2408.10643

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Implication

N-body simulations reveal circumsatellital rings remain dynamically stable around select moons, suggesting non-gravitational phenomena cause their absence.

The missing rings around Solar System moons

Key Points

Discussion

Implication

Cite This Study

The missing rings around Solar System moons

Key Points

Discussion

Implication

Cite This Study

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