Computer Science
Scientific paper
May 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010eguga..12.2857h&link_type=abstract
EGU General Assembly 2010, held 2-7 May, 2010 in Vienna, Austria, p.2857
Computer Science
Scientific paper
Lunar Laser Ranging (LLR) is carried out for more than 40 years. The data set is analysed in a weighted least-squares adjustment to determine several parameters of the Earth-Moon-system, e.g. the moon's tidal acceleration, lunar orbit and earth orientation parameters. Furthermore, LLR allows for testing relativity, e.g. the strong equivalence principle or the time variability of the gravitational constant. A further step on the way to mm-accurate LLR analysis is the refined modelling of the moon's interior which mainly affects the moon's rotation. The previous modelling of the moon as a homogeneous, elastic and dissipative body has been extended by the contribution of a possible fluid core. Based on the refined modelling and using LLR data from 1970 to 2009 the following studies are conducted: - test of relativistic properties, like strong equivalence principle, non-linearity or relativistic precession, - frequency dependent modelling of secular tidal acceleration, - determination of UT0 and comparison with IERS C04 series. Corresponding results are presented and discussed.
Biskupek Liliane
Hofmann Franz
Möller Jürgen
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