Mission Design and Analysis based on SEM Angle by Using Variable Coast During 3.5 Earth-Moon Phasing Loop TransferVariable Coast를 이용하는 3.5 지구-달 위상전이궤적에서 SEM 각도에 따른 임무설계 및 해석

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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.
Publisher
KOREAN SOC AERONAUTICAL & SPACE SCIENCES
Issue Date
2018-01
Language
Korean
Article Type
Article
Citation

JOURNAL OF THE KOREAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, v.46, no.1, pp.68 - 77

ISSN
1225-1348
DOI
10.5139/JKSAS.2018.46.1.68
URI
http://hdl.handle.net/10203/317518
Appears in Collection
AE-Journal Papers(저널논문)
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