Abstract

The imaging prediction problems for satellite Earth observing missions are discussed. The imaging opportunities are first distinguished from the nadir tracking points with maximum elevation angles. A fast prediction approach is then presented, consisting of three steps: the coarse search, the imaging estimation, and the imaging refinement. Innovative algorithms are developed to complete the appropriate estimation and refinement tasks for different working modes, considering both a canted camera and available attitude maneuvers. The algorithms are evaluated through computational experiments and further tested with applications in practical satellite mission management. Further applications include in-orbit real-time autonomous mission management and operations onboard satellites.

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