Orbital observations of meteors in the Martian atmosphere using the SPOSH camera |
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| Authors: | AA Christou J Oberst S Elgner J Flohrer A Margonis JP McAuliffe D Koschny |
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| Institution: | 1. Armagh Observatory, College Hill, Armagh BT619DG, UK;2. German Aerospace Center, Institute of Planetary Research, Rutherfordstrasse 2, D-12489 Berlin, Germany;3. Technical University Berlin, Institute for Geodesy and Geoinformation Sciences, Straße des 17, Juni 135, Berlin 10623, Germany;4. ESA/ESAC, Villafranca del Castillo, P.O. Box 78, 28691 Villanueva de la Cañada, Spain;5. ESA/ESTEC, Keplerlaan 1, 2201 Noordwijk ZH, The Netherlands |
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| Abstract: | We investigate the expected performance of a wide-angle camera in Martian orbit, which, unlike previous cameras that have flown to Mars, is capable of recording meteor activity in that planet's atmosphere. We show that, based on our current understanding of meteor physics and the interplanetary meteoroid population, several meteors will be detected by this instrument during a single nightside pass on a low Martian orbit. The instrument will also record the signatures of meteor showers expected to occur every Martian year (1.88 Earth years). The results of this investigation will test models of the flux of “large” (mm-cm) meteoroids at the orbit of Mars and their interaction with the Martian atmosphere. |
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