The BepiColombo Laser Altimeter (BELA): Concept and baseline design |
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| Institution: | 1. LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, Univ. Paris Diderot, Sorbonne Paris Cité, F-92195 Meudon, France;2. Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Leuven, Belgium;3. Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA), CNRS UMR 7583, Université Paris-Est Créteil, Université Paris Diderot, 61 avenue du Général de Gaulle, 94010 Créteil Cedex, France;4. Laboratoire d’Astrophysique de Bordeaux, Univ. Bordeaux, CNRS, B18N, allée Geoffroy Saint-Hilaire, 33615 Pessac, France;5. Max-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, Germany;1. CSRA Corporation, Falls Church, VA 22042, USA;2. The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA;3. Physics Department, Catholic University of America, Washington, DC 20064, USA;4. Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20016, USA;5. Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, USA |
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| Abstract: | The BepiColombo Laser Altimeter (BELA) has been selected for flight on board the European Space Agency's BepiColombo Mercury Planetary Orbiter (MPO). The experiment is intended to be Europe's first planetary laser altimeter system. Although the proposed system has similarities to the Mercury Laser Altimeter (MLA) currently flying on board NASA's MESSENGER mission to Mercury, the specific orbit and construction of the MPO force the use of novel concepts for BELA. Furthermore, the base-lined range-finding approach is novel. In this paper, we describe the BELA system and show preliminary results from some prototype testing. |
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