The lunar laser range data taken at McDonald Observatory between Aug. 1969 and May 1980 has been analyzed. The simple rms residual for the 2954 ranges is 31 cm. Results of the analysis include GM(earth) = 398600.45 cu km/sec sq within 0.02 cu km/sec sq and a secular acceleration of the lunar orbital mean longitude of -23.8 arcsec/sq century within 1.5 arcsec, which yields a Q of 12.3 at semidiurnal frequencies. The lunar harmonic C30 is -8.7/1,000,000 within 0.000001 and the lunar rotational dissipation of 0.0047 within 0.0005 day. Also resulting from the solution are geocentric coordinates of McDonald accurate to 30 cm, including the first value for the longitude with the new IAU constants and a dynamical equinox.


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    Titel :

    Results from lunar laser ranging data analysis


    Beteiligte:
    Dickey, J. O. (Autor:in) / Williams, J. G. (Autor:in) / Yoder, C. F. (Autor:in)

    Kongress:

    High-precision earth rotation and earth-moon dynamics: Lunar distances and related observations ; 1981 ; Alpes-Maritimes, France


    Erscheinungsdatum :

    01.01.1982


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Lunar orbiter ranging data - Initial results.

    Mulholland, J. D. / Sjogren, W. L. | NTRS | 1967



    Earth rotation from lunar laser ranging

    Langley, R. B. / King, R. W. / Shapiro, I. I. | NTRS | 1981


    The Lunar Laser Ranging Experiment

    P. L. Bender / D. G. Currie / R. H. Dicke et al. | NTIS | 1973


    The Lunar Laser Ranging Experiment

    P. L. Bender / R. H. Dicke / D. T. Wilkinson et al. | NTIS | 1970