For the short-arc angle only orbit initialization problem, the admissible area is often used. However, the accuracy using a single sensor is often limited. For high value space objects, it is desired to achieve more accurate results. Fortunately, multiple sensors, which are dedicated to space situational awareness, are available. The work in this paper uses multiple sensors’ information to cooperatively initialize the orbit based on the fusion of multiple admissible areas. Both the centralized fusion and decentralized fusion are discussed. Simulation results verify the expectation that the orbit initialization accuracy is improved by using information from multiple sensors.
Bin Jia, Khanh Pham, Erik Blasch, Genshe Chen, Dan Shen, and Zhonghai Wang, "Cooperative angle-only orbit initialization via fusion of admissible areas," Proc. SPIE 10196, Sensors and Systems for Space Applications X, 101960C (Presented at SPIE Defense + Security: April 10, 2017; Published: 5 May 2017); https://doi.org/10.1117/12.2265971.
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