Assessment of precise orbit determination of Jason-2 satellite using different observation technologies

被引：0

作者：

Sheng, Chuanzhen ^{[1
,2
,3
]}

Gan, Weijun ^{[2
]}

Zhao, Chunmei ^{[3
]}

Sun, Baoqi ^{[4
]}

Liang, Shiming ^{[2
]}

Chen, Weitao ^{[2
]}

Xiao, Genru ^{[5
]}

机构：

[1] The 54th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang

[2] State Key Laboratory of Earthquake Dynamics, Institute of Geology, CEA, Beijing

[3] Institute of Geodesy and Geodynamics, Chinese Academy of Surveying and Mapping, Beijing

[4] National Time Service Center, Chinese Academy of Sciences, Xi'an

[5] Faculty of Geomatics, East China Institutes of Technology, Nanchang

来源：

Cehui Xuebao/Acta Geodaetica et Cartographica Sinica | 2014年 / 43卷 / 08期

关键词：

DORIS; GPS; Jason-2; Precise orbit determination; SLR;

D O I：

10.13485/j.cnki.11-2089.2014.0133

中图分类号：

学科分类号：

摘要：

By using three different observation technologies, GPS, SLR and DORIS, the effect of attitude model error on orbit was discussed and the accuracy of orbit determination without the attitude data upon three methods, SLR validation, orbit overlap and external orbit comparison was assessed in this paper. Based on which, further analyses are made on the effect of different orbit stacking method. Taking Jason-2 for instance, after detailed discussion on the strategy of orbit determination of GPS, SLR and DORIS, the experiment by using observational data was carried out. The results show that the influence of attitude model error of Jason-2 on orbit determined by DORIS, GPS and SLR are respectively 0.040 m, 0.036 m and 0.033 m. When determine the orbit without attitude data, the orbit determined by DORIS is slightly better than that by GPS and SLR, while that by SLR is more or less the worse. When combining the orbits determined by GPS, DORS and SLR by using the weight based on result of orbit overlap, a better result will be got. When comparing it with JPL orbit, it shows that the radial accuracy of the former can be better than 2 centimeters.

引用

页码：796 / 802and817

共 22 条

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