The first stage ascent trajectory of the space shuttle uses an open-loop guidance scheme. A reference trajectory profile is designed preflight and loaded into the onboard general purpose computers. The reference trajectory is a trade-off among aerodynamic loads, heating constraints, and payload requirements. In the space shuttle flights after Space Transportation System (STS) 51-L, the ascent design has been mission specific. As the program continues to mature, a standardization of ascent design will be pursued to reduce resource requirements for each flight. A day-of-launch (DOL) ascent trajectory, designed only hours before launch and based on real-time wind and atmosphere conditions, is currently being studied and will be tested in early 1990.


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    Title :

    Space shuttle first stage ascent design


    Additional title:

    Auslegung des Aufstiegs der ersten Stufe der Raumfähre


    Contributors:

    Published in:

    SAE-Papers ; Sep ; 1-11


    Publication date :

    1989


    Size :

    11 Seiten, 5 Bilder, 3 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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