The orbit of the CHAMP satellite is determined by the BerneseV5.0 software in the way of reduced dynamic and kinetic.The orbit precision is analyzed as the CHAMP RSO orbit declared by GFZ is true.

• 分别实现了用BerneseV5.；0软件用简化动力法和动态法对CHAMP卫星的轨道确定，并把GFZ公布的CHAMP卫星的RSO轨道当作真值进行轨道的精度分析。