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Investigation of Alternative Return Strategies for Orion Trans-earth Injection Design Options (2010)

Scarritt, Sara K. ; Howell, Kathleen C. ; Weeks, Michael W. ; [et al.]

In: CASI

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Publication Date: 2019-07-13

Description: The purpose of this study is to investigate alternative return strategies for the Orion trans-Earth injection (TEI) phase. A dynamical systems analysis approach considers the structure of the stable and unstable Sun perturbed Earth-Moon manifolds near the Earth-Moon interface region. A hybrid approach, then, combines the results from this analysis with classical two-body methods in a targeting process that seeks to expand the window of return opportunities in a precision entry scenario. The resulting startup arcs can be used, for instance, to enhance the block set of solutions available onboard during an autonomous targeting process.

Keywords: Space Transportation and Safety

Type: JSC-CN-19904 , 20th AAS/AIAA Space Flight Mechanics Meeting; Feb 14, 2010 - Feb 17, 2010; San Diego, CA; United States

Format: application/pdf

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