Integrated orbit determination and maintenance in Earth-Moon unstable dynamics environment
Integrated orbit determination and maintenance in Earth-Moon unstable dynamics environment
复制标题
地月不稳定动力学环境下综合定轨与维护
DOI:
10.1016/j.actaastro.2018.11.041
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发表时间:
2019-10
影响因子:
3.5
通讯作者:
Panlong Wu
中科院分区:
文献类型:
--
作者:
Yang Zhou;Mai B;o;Shinji Hokamoto;Panlong Wu
The hyperbolic instability of collinear libration point orbits dominates the distribution of orbit uncertainty, which is closely related with the unstable manifold of the local orbit. Exploiting the distribution of orbit uncertainty in an unstable orbital environment, an integrated orbit determination and maintenance approach is proposed. X-ray pulsar navigation embedded in the Kalman filtering architecture is adopted to determine the orbit of a spacecraft flying along the Earth-Moon L 2 halo orbit. To keep the spacecraft in the vicinity of the nominal trajectory, the newly proposed orbit maintenance approach based on the covariance matrix is proposed to design the orbit maintenance maneuver. The numerical simulations show that the proposed approach has a good performance in orbit determination and maintenance.
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