The purpose of this paper is to document the results of the pre-launch trajectory design and the real-time operations for the Microwave Anisotropy Probe (MAP) mission, launched on June 30, 2001. Once MAP was successfully inserted into a highly elliptical phasing orbit, three perigee maneuvers and a final perigee correction maneuver were performed to tailor a lunar encounter on July 30, 2001. MAP achieved its final Lissajous orbit (0.5 deg. by 10.5 deg.) about the Sun-Earth/Moon L2 libration point via this lunar encounter. This paper will show the maneuvers that were designed to arrive at the mission orbit. A further discussion of how the MAP trajectory analysts altered the pre-launch phasing loop maneuvers as well as the lunar encounter to meet all mission constraints, including the constraint of zero lunar shadows is also included.


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    Title :

    An Overview of Trajectory Design Operations for the Microwave Anisotropy Probe Mission


    Contributors:

    Conference:

    AIAA/AAS Astrodynamics Specialist Conference ; 2002 ; Monterey, CA, United States


    Publication date :

    2002-01-01


    Type of media :

    Preprint


    Type of material :

    No indication


    Language :

    English




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