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Communication Dans Un Congrès Année : 2022

ESCAPADE: Mars' first smallsat science mission will unveil its unique hybrid magnetosphere

Résumé

Multi-spacecraft missions after 2000 (Cluster II, THEMIS, Van Allen Probes, and MMS) have revolutionized our understanding of the causes, patterns and variability of a wide array of plasma phenomena in the terrestrial magnetospheric environment. ESCAPADE is a twin-spacecraft Mars mission that will similarly revolutionize our understanding of how solar wind momentum and energy flows throughout Mars' magnetosphere to drive ion and sputtering escape, two processes which have helped shape Mars' climate evolution over solar system history. ESCAPADE will measure magnetic field strength and topology, ion plasma distributions, as well as suprathermal electron flows and thermal electron and ion densities, from elliptical, 65° inclination ~160 km x ~7000 km orbits. ESCAPADE are small spacecraft (<125 kg dry mass), following ballistic Hohmann transfers to Mars. ESCAPADE's strategically-designed 1-year, 2-part scientific campaign of temporally and spatially-separated multipoint measurements in different regions of Mars' diverse plasma environment, will allow the cause-and-effect of solar wind control of ion and sputtering escape to be unraveled for the first time. ESCAPADE is currently in Phase C with launch scheduled for summer or fall 2024 as an as-yet-unscheduled rideshare. We will report on science goals, engineering and mission design challenges, and provide a status update.
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Dates et versions

insu-04533418 , version 1 (04-04-2024)

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Robert Lillis, Shannon Curry, Takuya Hara, David Curtis, Ellen Taylor, et al.. ESCAPADE: Mars' first smallsat science mission will unveil its unique hybrid magnetosphere. 44th COSPAR Scientific Assembly, Jul 2022, Online, Unknown Region. pp.Abstract B4.3-0018-22. ⟨insu-04533418⟩
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