Models and Measurements of the Rotation of Mars

William M Folkner1, Alex S Konopliv2, Ryan S Park3, Veronique M A Dehant4, Marie Yseboodt4 and Attilio Rivoldini4, (1)Jet Propulsion Laboratory, Pasadena, CA, United States, (2)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (4)Observatoire Royal de Belgique, Brussel, Belgium