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Asteroid rotation axis estimation using image-feature-speed analysis
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DOI：10.1016/j.actaastro.2026.05.038.png)
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Abstract
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• Initial characterization of asteroid properties is critical for relative navigation • Proposed method automatically estimates the orientation/position of the rotation axis • The speeds of moving feature points in successive images are used for estimation • Evaluation using Ryugu images and simulation data demonstrates high accuracy
Keywords:
Asteroid exploration
Vision based asteroid characterization
Rotation axis orientation
Rotation axis position
Body reference frame
Asteroid barycenter
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