Investigation of tidal effects in lunar laser ranging |
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| Authors: | J Müller V Tesmer |
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| Institution: | Institut für Erdmessung, Universit?t Hannover, Schneiderberg 50, 30167 Hannover, Germany, DE
Deutsches Geod?tisches Forschungsinstitut (DGFI), Marstallplatz 8, 80539 München, Germany e-mail: tesmer@dgfi.badw.de; Tel.: +49-89-23031-198; Fax: +49-89-23031-240, DE
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| Abstract: | The analysis of lunar laser ranging (LLR) data enables the determination of many parameters of the Earth–Moon system, such
as lunar gravity coefficients, reflector and station coordinates which contribute to the realisation of the International
Terrestrial Reference Frame 2000 (ITRF 2000), Earth orientation parameters EOPs, which contribute to the global EOP solutions
at the International Earth Rotation Service (IERS)] or quantities which parameterise relativistic effects in the solar system.
The big advantage of LLR is the long time span of lunar observations (1970–2000). The accuracy of the normal points nowadays
is about 1 cm.
The capability of LLR to determine tidal parameters is investigated. In principle, it could be assumed that LLR would contribute
greatly to the investigation of tidal effects, because the Moon is the most important tide-generating body. In this respect
some special topics such as treatment of the permanent tide and the effect of atmospheric loading are addressed and results
for the tidal parameters h
2 and l
2 as well as values for the eight main tides are given.
Received: 14 August 2000 / Accepted: 15 October 2001 |
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| Keywords: | : Lunar Laser Ranging – Tidal Effects |
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