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astro-ph.EP2026
Dynamics around non-spherical symmetric bodies - III. The case of a spherical body with a crater
P. V. S. Soares, G. Madeira, S. M. Giuliatti Winter +2
Motivated by the peculiar features of the trans-Neptunian object (TNO) Máni and the discovery of ring systems around Centaurs and trans-Neptunian bodies, we investigate the stabili…
astro-ph.EP2026
Dynamical implications of the recently detected feature around Quaoar and constraints on the presence of additional satellites
Gustavo Madeira, Leandro Esteves, Bruno E. Morgado +4
A recently reported opaque feature in the Quaoar system, detected during the 25 June 2025 stellar occultation, has been interpreted as either a 15 km-radius satellite or a dense, s…