De Rosa, Diego and Bussey, Ben and Cahill, Joshua T. and Lutz, Tobias and Crawford, Ian A. and Hackwill, Terence and van Gasselt, Stephan and Neukum, Gerhard and Witte, Lars and Grindrod, Peter M. and Carpenter, James (2012) Characterisation of potential landing sites for the European Space Agency’s Lunar Lander project. Planetary and Space Science (74), pp. 224-246. DOI: 10.1016/j.pss.2012.08.002. ISSN 0032-0633.
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This article describes the characterization activities of the landing sites currently envisaged for the Lunar Lander mission of the European Space Agency. These sites have been identified in the South Pole Region (-85° to -90° latitude) based on favourable illumination conditions, which make it possible to have a long-duration mission with conventional power and thermal control subsystems, capable of enduring relatively short periods of darkness (in the order of tens of hours), instead of utilizing Radioisotope Heating Units. The illumination conditions are simulated at the potential landing sites based on topographic data from the Lunar Orbiter Laser Altimeter (LOLA), using three independent tools. Risk assessment of the identified sites is also being performed through independent studies. Long baseline slopes are assessed based on LOLA, while craters and boulders are detected both visually and using computer tools in Lunar Reconnaissance Orbiter Camera (LROC) images, down to assize of less than 2m, and size-frequency distributions are generated. Shadow hazards are also assessed via LROC images. The preliminary results show that areas with quasi-continuous illumination of several months exist, but their size is small (few hundred metres); the duration of the illumination period drops quickly to less than one month outside the areas, and some areas present gaps with short illumination periods. Concerning hazard distributions, 50m slopes are found to be shallow (few degrees) based on LOLA, whereas at the scale of the lander footprint (~5 m) they are mostly dominated by craters, expected to be mature (from geological context) and shallow (~11°).The preliminary conclusion is that the environment at the prospective landing sites is within the capabilities of the Lander design.
|Title:||Characterisation of potential landing sites for the European Space Agency’s Lunar Lander project|
|Journal or Publication Title:||Planetary and Space Science|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 224-246|
|Keywords:||Landing site characterization, Lunar South Pole, Illumination conditions, Landing hazards, Lunar Orbiter Laser Altimeter, Lunar Reconnaissance Orbiter Camera, Crater size-frequency distributions, Boulder size-frequency distributions|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||Space Science and Exploration|
|DLR - Research area:||Raumfahrt|
|DLR - Program:||R EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||R - Vorhaben Landetechnologien|
|Institutes and Institutions:||Institute of Space Systems > Explorationssysteme|
|Deposited By:||Lars Witte|
|Deposited On:||23 Jan 2014 10:16|
|Last Modified:||23 Jan 2014 10:16|
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