Surveyor I spacecraft was soft-landed on lunar surface 18.96 km from desired location; Surveyor III was landed 2.76 km from its desired location; landings were within predicted regions of uncertainty as determined in flight, approximately 39 km and 15 km, three standard deviations, respectively; major sources of landing site error are orbit determination computational accuracy and spacecraft hardwad tolerance uncertainties; preflight error analysis was in good arrangement with in-flight results; landing locations were determined from Lunar Orbiter and spacecraft photographs along with Earth-based ratio tracking data.


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    Titel :

    Surveyor spacecraft landing accuracy


    Weitere Titelangaben:

    J Spacecraft Rockets


    Beteiligte:
    Ribarich, J.J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1968


    Format / Umfang :

    6 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Surveyor spacecraft landing accuracy

    RIBARICH, J. | AIAA | 1967


    Surveyor spacecraft landing accuracy.

    Ribarich, J. J. | NTRS | 1967


    Surveyor spacecraft landing accuracy.

    RIBARICH, J. J. | AIAA | 1968


    Surveyor spacecraft landing accuracy.

    Ribarich, J. J. | NTRS | 1968