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Solar system dynamics
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In this paper, the two-body problem and the restricted three body problem are considered. And the disturbing function is extended to include the spin-orbit coupling and the resonance perturbations.Abstract:
Preface 1 Structure of the solar system 2 The two-body problem 3 The restricted three-body problem 4 Tides, rotation and shape 5 Spin-orbit coupling 6 The disturbing function 7 Secular perturbations 8 Resonant perturbations 9 Chaos and long-term evolution 10 Planetary rings Appendix A Solar system data Appendix B Expansion of the disturbing function Indexread more
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Meteoroid streams at Mars: Possibilities and implications
Apostolos A. Christou,K. Beurle +1 more
TL;DR: In this article, the authors derived minimum distances and associated velocities for a large sample of small body orbits relative to the orbits of Mars and the Earth, and identified specific epochs at which meteoroid streams related to these bodies are expected to occur.
Journal ArticleDOI
How to weigh a star using a moon
TL;DR: For a transiting exoplanet accompanied by a moon which also transits, the absolute masses and radii of the star, the planet and the moon are determinable as discussed by the authors.
Proceedings ArticleDOI
Quasi-periodic orbits of the restricted three-body problem made easy
TL;DR: In this article, a new fully numerical method is presented which employs multiple Poincare sections to find quasi-periodic orbits, which are the intersection of the invariant torus with the PoINCare sections.
Journal ArticleDOI
Follow-up observations of ptfo 8-8695: a 3 myr old t tauri star hosting a jupiter-mass planetary candidate
David R. Ciardi,Julian C. van Eyken,Julian C. van Eyken,Julian C. van Eyken,Jason W. Barnes,Charles Beichman,Sean Carey,Christopher J. Crockett,Jason D. Eastman,Jason D. Eastman,Christopher M. Johns-Krull,Steve B. Howell,Stephen R. Kane,Jacob N. McLane,Peter Plavchan,Lisa Prato,John R. Stauffer,Gerard T. van Belle,Kaspar von Braun +18 more
TL;DR: In this article, the authors present Spitzer 4.5 μm light curve observations, Keck NIRSPEC radial velocity observations, and LCOGT optical light curve data of PTFO 8-8695, which may host a Jupiter-sized planet in a very short orbital period.
Journal ArticleDOI
Thermal and topographic tests of Europa chaos formation models from Galileo E15 observations
Francis Nimmo,Bernd Giese +1 more
TL;DR: In this article, the authors tested two models of chaos formation: a hybrid diapir model, in which chaos topography is caused by thermal or compositional buoyancy, and block motion occurs due to the presence of near-surface (1-3 km) melt; and a melt-through model, where chaos regions are caused by melting and refreezing of the ice shell.