The first four satellites, Aqua, CloudSat, Calipso, and Parasol, in NASA's EOS Afternoon constellation will fly in similar orbits within 4 minutes of each other. This study was undertaken to examine the effect of one or more missions failing to perform a scheduled orbit maintenance maneuver. Tools were developed to rapidly calculate the initial orbital elements for the satellites that established the formation. Baseline maneuver strategies were implemented to maintain the desired spacing of the satellites. Maneuver failures were examined and close approach opportunities were identified. It was found that close-approaches between CloudSat and Calipso could occur in less than one day after a missed maneuver if close coordination between the missions is not achieved.


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    Title :

    Impact of Maneuver Failures on the EOS Afternoon Constellation


    Contributors:
    P. Demarest (author)

    Publication date :

    2002


    Size :

    8 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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