The Orion Multi-Purpose Crew Vehicle is required to return to the continental United States at any time during the month. In addition, it is required to provide a survivable entry from a wide range of trans-lunar abort trajectories. The Entry Interface (EI) state must be targeted to ensure that all requirements are met for all possible return scenarios, even in the event of no communication with the Mission Control Center to provide an updated EI target. The challenge then is to functionalize an EI state constraint manifold that can be used in the on-board targeting algorithm, as well as the ground-based trajectory optimization programs. This paper presents the techniques used to define the EI constraint manifold and to functionalize it as a set of polynomials in several dimensions.


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    Title :

    Orion Exploration Mission Entry Interface Target Line


    Contributors:

    Conference:

    AAS/AIAA Space Flight Mechanics Meeting ; 2016 ; Napa, CA, United States


    Publication date :

    2016-02-14


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :