Orbit simulation and perturbations analysis for the European satellite GOCE

Zhicai Luo; Bo Zhong; Jinsheng Ning; Qiong Li

doi:10.1117/12.815352

29 December 2008 Orbit simulation and perturbations analysis for the European satellite GOCE

Zhicai Luo, Bo Zhong, Jinsheng Ning, Qiong Li

Proceedings Volume 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA); 72851P (2008) https://doi.org/10.1117/12.815352
Event: International Conference on Earth Observation Data Processing and Analysis, 2008, Wuhan, China

Abstract

A very important factor for recovering the high accuracy Earth's gravity field is the knowledge of the GOCE satellite orbit. In this paper, a 30-day arc of the GOCE satellite orbit (called the reference orbit) was simulated using dynamic orbit integration method, and the perturbation accelerations due to the lunisolar perturbations, the Earth tides, the ocean tides, the atmospheric tides, the pole tides, the relativity effects, the atmospheric drag and the solar radiation pressure were computed along the simulated orbit according to the dynamic models. Then the maximum perturbation accelerations and their percentage contribution in the sum of all accelerations due to the aforementioned forces were given and analyzed. In addition, the various variants of the satellite orbit (called the modified reference orbits) were obtained by subtracting the selected conservative forces to the satellite motion model for the reference orbit. Finally, the motion of GOCE satellite that influenced by the conservative forces were analyzed through comparing the satellite positions between the reference orbit and the modified reference orbits. The analysis results can be as a reference for the precise orbit determination and gravity field recovery of GOCE mission.

Citation Download Citation

Zhicai Luo, Bo Zhong, Jinsheng Ning, and Qiong Li "Orbit simulation and perturbations analysis for the European satellite GOCE", Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 72851P (29 December 2008); https://doi.org/10.1117/12.815352

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