基于星间光学测量的多星联合定轨

Multi-satellite joint orbit determination based on inter-satellite optical measurement

目的为了节约测控资源。方法采用天地基测量的卫星星座联合轨道确定,同时阐述了基于星间光学测量的多星精密轨道确定的关键技术,给出了星间光学测量模型及对应的偏导数计算公式,分析了多星联合定轨所面临的主要问题及应对的解决方案。结果实现了真正的多星同步轨道积分。结论对天基监测的非合作目标卫星轨道确定进行了计算分析,为天地基一体化联合多星定轨提供了基础。

Aim To save TT＆C resource. Methods Satellite constellation joint orbit was determined based on space-based and ground-based measurement data. The key technologies of multi-satellite precise orbit determination was described based on inter-satellite optimal measurement data, the inter-satellite optimal measurement model and the corresponding partial derivatives calculation formula was provided, the main problems of tile multi-satellite joint orbit determination analyzed. Results The real multi-satellite synchronous integration was obtained. Conclusion The non-cooperative satellite orbit determination was analyzed based on space-based monitoring data, which set the foundation for the space-based and ground-based joint multi-satellite orbit determination.