The purpose of this experiment was to measure the variations in the lunar gravitational field near the trajectory of orbiting space vehicles (the command and service module (CSM) and the small particles and fields subsatellites ejected from the Apollo 15 and 16 spacecraft). New information has been obtained from all Apollo orbiting spacecraft; however, this report shall be limited to the results from the Apollo 17 CSM and the Apollo 16 subsatellite. The data acquired are precise speed measurements of the orbiting spacecraft from which accelerations or gravity profiles may be inferred. Feature resolution is controlled by the spacecraft altitude and is almost a direct relationship (i.e., data taken from a 50-km altitude will resolve approximately a 50-km feature). Therefore, revolutions 3 to 12, when the CSM was in the low-altitude orbits, provided the clearest information.


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    Titel :

    S-band transponder experiment


    Beteiligte:


    Erscheinungsdatum :

    01.01.1973


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    S-band transponder experiment

    Sjogren, W. L. / Gottlieb, P. / Muller, P. M. et al. | NTRS | 1972


    S band transponder experiment

    Sjogren, W. L. / Muller, P. M. / Wollenhaupt, W. R. | NTRS | 1972


    S-band transponder experiment

    Gottlieb, P. / Muller, P. M. / Sjogren, W. L. et al. | NTRS | 1971


    Retrodirective transponder feasibility experiment

    Annese, J. F. / Hicks, G. R., Jr. / Klein, L. et al. | NTRS | 1967


    Apollo 15 gravity analysis from the S-band transponder experiment.

    Sjogren, W. L. / Muller, P. M. / Wollenhaupt, W. R. | NTRS | 1972