Smoothing and Predicting Celestial Pole Offsets using a Kalman Filter and Smoother

Jolanta Nastula1, T. Mike Chin2, Richard S Gross3, Malgorzata Winska4 and Justyna Śliwińska-Bronowicz1, (1)Space Research Centre of Polish Academy of Sciences, Warsaw, Poland, (2)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (4)Warsaw University of Technology, Faculty of Civil Engineering, Warsaw, Poland