ABSTRACT
With the rapid development of space technology, GEO orbit, because of its geostationary orbit and high altitude, has become an important earth satellite orbit in communications, meteorology, reconnaissance, navigation, precision timing, tracking and data relay and other important scientific research. So the timeliness and accuracy of its orbit have become more and more important[2]. Geometric method, dynamic method and Kalman filter method are commonly used in GEO satellite orbit determination. Geometric method is not affected by it’s dynamic model, but it can’t predict the orbit either. The precision of orbit determined by dynamic method is vulnerable to mechanical model. While the GEO satellites often adjust it’s orbit, so it is difficult to get it’s accurate mechanical model[4].
