Introduction to Chang`e-3 and Analysis of Estimated Mission Trajectory

Title & Authors
Introduction to Chang`e-3 and Analysis of Estimated Mission Trajectory
Choi, Su-Jin; Lee, Donghun; Bae, Jonghee; Rew, Dong-Young; Ju, Gwanghyeok; Sim, Eun-Sup;

Abstract
Chang`e-3 consisting of a lunar lander and exploration rover was launched on December 1, 2013 aboard a Long March 3B rocket flying from Xichang space launch center. Chang`e-3 was inserted into the lunar orbit after about a 5-day transit to the Moon and landed on the targeted landing site after orbiting around the Moon for 8 days. The successful landing of the Chang`e-3 gives a lot of help to analyze the future needs of the subsystem technologies and to figure out the trajectory from launch to lunar landing as well as operation sequences in the development of Korean lunar exploration is scheduled. Therefore, the configuration and analysis of overall mission of Chang`e-3 is performed based on the public information from the press and website. As a result, overall mission trajectory is reconstructed by solving boundary condition and then estimating control variable. Visibility status and eclipse status also analyzes so communication and power charge condition is as good as to operate lunar lander. Mass budget of the lander is derived using $\small{{\Delta}V}$ according to specific impulse.
Keywords
Chang`e-3;Direct Transfer Trajectory;Lunar Lander;Trans Lunar Injection(TLI);Lunar Orbit Insertion (LOI);Landing;$\small{{\Delta}V}$;Visibility;Eclipse;
Language
Korean
Cited by
1.
Development Status of Domestic & Overseas Space Exploration & Associated Technology, Journal of the Korean Society for Aeronautical & Space Sciences, 2016, 44, 8, 741
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