Tilting Uranus via the migration of an ancient satellite

• Published in: Astronomy and astrophysics (Berlin) Vol. 668; p. A108
• Main Authors: Saillenfest, Melaine, Rogoszinski, Zeeve, Lari, Giacomo, Baillié, Kevin, Boué, Gwenaël, Crida, Aurélien, Lainey, Valéry
• Format: Journal Article
• Language: English
• Published: EDP Sciences 01.12.2022
• Subjects: Astrophysics; Earth and Planetary Astrophysics; Physics

Context. The 98° obliquity of Uranus is commonly attributed to giant impacts that occurred at the end of the planetary formation. This picture, however, is not devoid of weaknesses. Aims. On a billion-year timescale, the tidal migration of the satellites of Jupiter and Saturn has been shown to stron...