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http://dx.doi.org/10.5139/JKSAS.2018.46.1.68

Mission Design and Analysis based on SEM Angle by Using Variable Coast During 3.5 Earth-Moon Phasing Loop Transfer  

Choi, Su-Jin (Korea Aerospace Research Institute)
Lee, Donghun (Korea Aerospace Research Institute)
Lim, Seong-Bin (Korea Aerospace Research Institute)
Choi, Suk-Won (Korea Aerospace Research Institute)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.46, no.1, 2018 , pp. 68-77 More about this Journal
Abstract
In order to analyze the overall characteristics of the lunar orbiter, the Variable Coast method, which can be launched everyday, is applied to the 3.5 phasing loop transfer trajectory. The mission scenario for the entire process from launching to entering the lunar orbit is set up and performed simulation by selecting the launch pad and launch vehicle. In particular, the SEM(Satellite-Earth-Moon) angle defined in Earth-Moon rotating frame is an important constraint to comprehensively evaluate the 3.5 phasing loop transfer trajectory. The simulation using SEM angle is analyzed from various viewpoints such as launch epoch, coast duration, perigee altitude and ${\Delta}V$ not only trans-lunar trajectory but lunar orbit insertions and the optimum SEM angle is suggested in this study. It is expected that this results will be helpful to evaluate the characteristics of the 3.5 phasing loop transfer trajectory according to the launch vehicle selection by comparison with Fixed Coast analysis results in the future.
Keywords
Variable Coast; Phasing Loop Transfer Trajectory; Mission Scenario; SEM; Earth-Moon Rotating Frame; ${\Delta}V$; Fixed Coast;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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