Titan's gravity: An update

Daniele Durante1, Luciano Iess1, Paolo Racioppa2, John W Armstrong3, Jonathan I Lunine4, David J Stevenson5 and Paolo Tortora6, (1)Sapienza University of Rome, Rome, Italy, (2)Sapienza University of Rome, Department of Mechanical and Aerospace Engineering, Rome, Italy, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)California Institute of Technology, Center for Astrophysics and Planetary Science, Pasadena, United States, (5)California Institute of Technology, Pasadena, United States, (6)Universita di Bologna, DIEM - II Faculty of Engineering, FORLI, I- 47121, Italy