Abstract
The constantly challenging requirements for orbit prediction have opened the need for better onboard propagation tools. Runge-Kutta (RK) integrators have been widely used for this purpose; however RK integrators are not symplectic, which means that RK integrators may lead to incorrect global behavior and degraded accuracy. Emanating from Deprit’s radial intermediary, obtained by the elimination of the parallax transformation, we present the development of symplectic integrators of different orders for spacecraft orbit propagation. Through a set of numerical simulations, it is shown that these integrators are more accurate and substantially faster than Runge-Kutta-based methods. Moreover, it is also shown that the proposed integrators are more accurate than analytic propagation algorithms based on Deprit’s radial intermediary solution, and even other previously-developed symplectic integrators.
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11 February 2022
A Correction to this paper has been published: https://doi.org/10.1007/s42064-022-0136-2
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This work was supported by the European Commission Horizon 2020 Program in the framework of the Sensor Swarm Sensor Network Project under grant agreement 687351.
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Leonel M. Palacios is a postdoctoral research associate at the High Contrast Imaging Laboratory of Princeton University. He received his Ph.D. degree in aerospace engineering from the University of Glasgow, the United Kingdom, in 2016. In May 2016, he joined the Asher Space Research Institute of the Technion-Israel Institute of Technology as a postdoctoral fellow working for the Satellite Swarm Sensor Network (S3NET), a project aimed for the development of the full potential of “swarms” of satellites through the optimized and enhanced use of their on-board resources. His areas of expertise include astrodynamics and dynamics and control of distributed space systems.
Pini Gurfil is a full professor of aerospace engineering at the Technion-Israel Institute of Technology, and director of the Asher Space Research Institute. He received his Ph.D. in aerospace engineering from the Technion in March 2000. From 2000 to 2003, he was with the Department of Mechanical and Aerospace Engineering, Princeton University. In September 2003, he joined the Faculty of Aerospace Engineering at the Technion. Dr. Gurfil is the founder and director of the Distributed Space Systems Laboratory, a research laboratory aimed at development and validation of spacecraft formation ying algorithms and technologies. He has been conducting research in astrodynamics, distributed space systems, and satellite dynamics and control.
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Palacios, L., Gurfil, P. Symplectic orbit propagation based on Deprit’s radial intermediary. Astrodyn 2, 375–386 (2018). https://doi.org/10.1007/s42064-018-0033-x
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DOI: https://doi.org/10.1007/s42064-018-0033-x