The study of surfaces and internal structure of planetary bodies is pivotal for the exploration missions. Geodetic mapping of planetary targets including modelling the subsurface structure applying gravity and magnetic data is critical for any exploration mission. Parameters of orbit, rotation, shape and interior models, topographic data, or cartographic maps support orbital and landed probe operations. In combination with measurements of surface topography and shape, the interior properties of celestial bodies, such as thickness and density of internal layers, can be inferred from processing and modelling of gravity and magnetic fields data. Also, the study of analogues (i.e. natural geological settings) and simulant (i.e. artificially made) materials provide insights into processes that may have occurred on other planets, allowing an additional viewpoint for interpretations. New insights from the analysis of potential fields, topographic data, shape models and cartographic products from past and recent missions (e.g. to Mars, Mercury, Venus and icy satellites), as well as study of terrestrial analogues, will offer the community a comprehensive understanding of this dynamic area of planetary research. This session showcases state of the art methods and approaches in developing planetary gravity and magnetic field models, conducting topographic analyses, and carrying out data modelling techniques to unravel the internal structures of planets and satellites. This includes shape modeling and topographic mapping using images and laser altimetry as well as including deep learning and machine learning techniques. Bringing together scientists from different fields, including geologists, geodesists, astrophysicists, insights and understanding of processes and geologic histories are shared and discussed.
Modelling and interpretation of planetary surfaces and internal structure through geodetic mapping, terrestrial analogues and potential fields analysis
Co-organized by EMRP2/G4/GI5
Convener:
Salvatore BuoninfanteECSECS
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Co-conveners:
Paola Cianfarra,
Gene SchmidtECSECS,
Konrad Willner,
Maurizio Milano,
Hao ChenECSECS,
Haifeng XiaoECSECS