Download PDFOpen PDF in browserRetrograde GEO Orbit Design Method Based on Lunar Gravity Assist for SpacecraftEasyChair Preprint no. 57714 pages•Date: October 16, 2018AbstractIn this paper a design method for changing the inclination of an orbital spacecraft from the ascending orbit to the retrograde orbit is presented. Firstly, revealing the mechanism of the lunar gravity assist, and maximum change capability of the spacecraft orbit parameters will be obtained, based on the Lagrangian planetary equation or Hamilton equation; Secondly, studying the flight mechanism to transfer the geocentric orbital spacecraft to the geocentric retrograde orbit; Finally, the orbit technology from the forward GEO orbit to the retrograde GEO orbit is designed, and the technical application method in the actual orbit design project is proposed. Keyphrases: Lunar Gravity Assist, Orbit design, Retrograde GEO design
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