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First Results of Mars Express—ExoMars Trace Gas Orbiter Mutual Radio Occultation

Cardesín-Moinelo, Alejandro; Wilson, Colin; Witasse, Olivier +10 more

Spacecraft-to-spacecraft radio occultations experiments are being conducted at Mars between Mars Express (MEX) and Trace Gas Orbiter (TGO), the first ever extensive inter-spacecraft occultations at a planet other than Earth. Here we present results from the first 83 such occultations, conducted between 2 Nov 2020 and 5th of July 2023. Of these, 44…