Abstract
An exact analysis of the coverage obtained by spacecraft using cross-track scanning and nadir-centered conical imaging, under imposed viewing obliqueness and resolution requirements, is presented. In addition to exact expressions for the area acquired and the area acquisition rate, envelope theory is introduced to obtain the boundary of the imaged area. These expressions are relatively compact, allowing rapid machine computation. The effects of the sun phase angle, and of imaging system limitations are also examined. The Galileo mission encounter with Callisto is used as a numerical example, from which certain general conclusions are drawn regarding optimal imaging trajectories.
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Petropoulos, A.E., Longuski, J.M. Analysis of mapping coverage obtained from spacecraft. Celestial Mech Dyn Astr 60, 431–454 (1994). https://doi.org/10.1007/BF00692027
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DOI: https://doi.org/10.1007/BF00692027