Combined Precise Orbit Determination for GPS, Jason and GRACE: A Unified Solution for the Terrestrial Reference Frame and Geopotential

Bruce Joseph Haines1, William I Bertiger1, Shailen Desai2, Nate Harvey1, Michael B Heflin3, Da Kuang4, Mark A Miller1, Aurore E Sibois5 and Dah-Ning Yuan1, (1)Jet Propulsion Laboratory, Pasadena, CA, United States, (2)JPL, Pasadena, CA, United States, (3)Jet Propulsion Lab, Pasadena, CA, United States, (4)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (5)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States