激光与光电子学进展, 2017, 54 (11): 111202, 网络出版: 2017-11-17
基于卫星激光测距的Jason-2卫星定轨光压参数对轨道精度的影响
Influence of Radiation Pressure Parameters on Orbit Accuracy of Jason-2 Satellite Orbit Determination Based on Satellite Laser Ranging
测量 卫星激光测距 Jason-2卫星 动力学定轨 光压参数 measurement satellite laser ranging Jason-2 satellite dynamic orbit determination radiation pressure parameter
摘要
光压摄动模型是卫星动力学模型的主要误差源之一,定轨时是否考虑光压参数将影响轨道估计精度。在光压摄动的理论基础上,采用统计定轨方法,利用全球8个卫星激光测距(SLR)站观测值,对Jason-2卫星进行动力学定轨。采用内符合精度、外符合精度和重叠弧段比较三种评估手段,定量分析光压参数估计与否对轨道精度的影响。结果表明:三天估计一组光压参数计算的卫星轨道比不估计光压参数计算的卫星轨道的精度更高,且估计的轨道参数变化更平稳。
Abstract
Radiation pressure perturbation model is one of the main error sources of satellite dynamics model. Taking radiation pressure parameters into consideration or not affects the accuracy of orbit estimation while determining the orbit. Based on the radiation pressure perturbation theory, Jason-2 satellite dynamics orbit is determined by using the statistical orbit determination method and observations of 8 satellite laser ranging (SLR) stations in this paper. The influence of taking radiation pressure parameters into consideration or not on orbit accuracy is quantitatively analyzed with three evaluation methods: inner accord accuracy, outer accord accuracy, overlapping arc evaluation. The result shows that the satellite orbit calculated by estimating one group radiation pressure parameters in three days is more accurate than the one without estimating radiation pressure parameters, and the change of the orbit parameters is more stable.
桂维振, 张小强, 盛传贞. 基于卫星激光测距的Jason-2卫星定轨光压参数对轨道精度的影响[J]. 激光与光电子学进展, 2017, 54(11): 111202. Gui Weizheng, Zhang Xiaoqiang, Sheng Chuanzhen. Influence of Radiation Pressure Parameters on Orbit Accuracy of Jason-2 Satellite Orbit Determination Based on Satellite Laser Ranging[J]. Laser & Optoelectronics Progress, 2017, 54(11): 111202.