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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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The Western Bulge of 162173 Ryugu Formed as a Result of a Rotationally Driven Deformation Process
Masatoshi Hirabayashi,Eri Tatsumi,Hideaki Miyamoto,Goro Komatsu,Seiji Sugita,Sei-ichiro Watanabe,Daniel J. Scheeres,Olivier S. Barnouin,Patrick Michel,Chikatoshi Honda,Tatsuhiro Michikami,Yuichiro Cho,Tomokatsu Morota,Naru Hirata,Naoyuki Hirata,Naoya Sakatani,Stephen R. Schwartz,Rie Honda,Y. Yokota,Y. Yokota,Shingo Kameda,Hidehiko Suzuki,Toru Kouyama,Masahiko Hayakawa,Moe Matsuoka,Kazuo Yoshioka,Kazunori Ogawa,Hirotaka Sawada,Makoto Yoshikawa,Yuichi Tsuda +29 more
TL;DR: In this paper, a structural deformation process that generated the western bulge of Ryugu's top-shaped features was proposed, and the authors employed a finite element model technique to analyze the locations that experience structural failure within the present shape.
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Three body resonances in close orbiting planetary systems: tidal dissipation and orbital evolution
TL;DR: In this article, the authors studied the orbital evolution of a three-planet system with masses in the super-Earth regime resulting from the action of tides on the planets induced by the central star which cause orbital circularization.
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Rotation of giant stars
TL;DR: In this article, the internal rotation of post-main sequence stars is investigated, in response to the convective pumping of angular momentum toward the stellar core, combined with a tight magnetic coupling between core and envelope.
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The survival rate of ejected terrestrial planets with moons
John H. Debes,Steinn Sigurdsson +1 more
TL;DR: In this article, the authors investigate the outcome of interactions between gas giants and terrestrial-sized protoplanets with lunar-sized companions, and show that an interesting fraction of terrestrial-size planets with small companions will likely be ejected into interstellar space with the companion bound to the planet.
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Stability Regions Around the Components of the Triple System 2001 SN263
R. A. N. Araujo,R. A. N. Araujo,Othon C. Winter,Othon C. Winter,Antonio F. B. A. Prado,A. A. Sukhanov +5 more
TL;DR: In this article, the authors analyzed the stability and instability of the triple system (153591) 2001 SN263 and found that the stable regions are in the neighborhood of Alpha and Beta, and in the external region.