ACCURACY ANALYSIS OF J2 INVERTED FROM ORBIT SERIES OF LOW EARTH ORBIT SATELLITES
Wang Kai 1) ; Han Jian 2) ; Wang Longxiang 2) ; Han Hongqiang 3) ; and Zhang Jianquan 4)
1)Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 4500522)65015 Troops, Dalian 1160233)68011 Troops, Lanzhou 7300304)69028 Troops, Urumchi 830000
Abstract n order to satisfy the accuracy requirements of the earth dynamical form factor (J2) needed in satellite orbit determination, weapon launch and the calculation of astronomic constants, the value of
J2 was estimated from the secular trends of the orbits series of three gravity satellites. The factors such as orbit height, sampling interval and the disturbing forces were studied. The results show that the higher orbit produces the better calculation accuracy. Besides, that all disturbing forces on GOCE orbit considered reduces the calculation accuracy.
Key words ：
low earth orbit satellite
Gauss method
orbit series
J2 item
disturbing forces
Received: 01 January 1900
Corresponding Authors:
Wang Kai
Cite this article:
Wang Kai ,Han Jian ,Wang Longxiang et al. ACCURACY ANALYSIS OF J2 INVERTED FROM ORBIT SERIES OF LOW EARTH ORBIT SATELLITES[J]. , 2011, 31(5): 97-100.
Wang Kai ,Han Jian ,Wang Longxiang et al. ACCURACY ANALYSIS OF J2 INVERTED FROM ORBIT SERIES OF LOW EARTH ORBIT SATELLITES[J]. jgg, 2011, 31(5): 97-100.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I5/97
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