Computer Science – Sound
Scientific paper
Apr 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992angeo..10..141s&link_type=abstract
(Modelling, simulation and sounding of cometary nuclei; Proceedings of the International Workshop, Cagliari, Italy, May 28-30, 1
Computer Science
Sound
Comets, Computerized Simulation, Extraterrestrial Matter, Rendezvous Spacecraft, Space Missions, European Space Programs, Mission Planning, Spacecraft Design
Scientific paper
After having successfully landed on a comet, the objective of the Rosetta mission is to acquire representative samples of cometary material. To achieve this goal, the spacecraft has to perform complex operations in a poorly-known environment. In order to identify the crucial parameters, a tool to simulate the on-comet operations phase has been implemented on a computer. Thus the effects of variations in the comet's physical characteristics and in the spacecraft design with respect to the operations sequence can be analyzed. This paper reviews the on-comet operations and describes the simulation tool. Simulation results regarding the variation of the comet rotation period, the penetration rate into the soil and the capabilities of the spacecraft for autonomous operations, with respect to the total time the spacecraft remains on the comet, are discussed.
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