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Main Title: Determination of the lunar body tide from global laser altimetry data
Author(s): Thor, Robin N.
Kallenbach, Reinald
Christensen, Ulrich R.
Gläser, Philipp
Stark, Alexander
Steinbrügge, Gregor
Oberst, Jürgen
Type: Article
Abstract: We use global data from the Lunar Orbiter Laser Altimeter (LOLA) to retrieve the lunar tidal Love number h2 and find h2=0.0387±0.0025. This result is in agreement with previous estimates from laser altimetry using crossover points of LOLA profiles. The Love numbers k2 and h2 are key constraints on planetary interior models. We further develop and apply a retrieval method based on a simultaneous inversion for the topography and the tidal signal benefiting from the large volume of LOLA data. By the application to the lunar tides, we also demonstrate the potential of the method for future altimetry experiments at other planetary bodies. The results of this study are very promising with respect to the determination of Mercury’s and Ganymede’s h2 from future altimeter measurements.
Subject(s): tides
laser altimetry
Lunar Orbiter Laser Altimeter
lunar interior
Issue Date: 23-Dec-2020
Date Available: 6-Jan-2021
Is Part Of: 10.14279/depositonce-10408
Language Code: en
DDC Class: 629 Andere Fachrichtungen der Ingenieurwissenschaften
520 Astronomie und zugeordnete Wissenschaften
Sponsor/Funder: TU Berlin, Open-Access-Mittel – 2020
Journal Title: Journal of geodesy
Publisher: Springer
Volume: 95
Article Number: 4
Publisher DOI: 10.1007/s00190-020-01455-8
EISSN: 1432-1394
ISSN: 0949-7714
TU Affiliation(s): Fak. 6 Planen Bauen Umwelt » Inst. Geodäsie und Geoinformationstechnik » FG Planetengeodäsie
Appears in Collections:Technische Universität Berlin » Publications

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