de Almeida, A.K. Ferreira, A.F.S. Santos, L.B.T. Monteiro, F. Amarante, A. Tresaco, E. Sanchez, D.M. Gomes, C. Prado, A.F.B. A generalized dipole-segment model for the gravitational field of elongated bodies Astron. astrophys. 10.1051/0004-6361/202557978 2026 2026