Advancements in the 3D shape reconstruction of Phobos: An analysis of shape models and future exploration directions

Aims. Our research focuses on developing a high-precision and relatively high-resolution shape model of Phobos. Methods. We employed advanced photogrammetric techniques combined with novel computer vision methods to reconstruct the 3D shape of Phobos from nearly 900 Mars Express/SRC and Viking Orbit...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2024-04, Vol.684, p.A89
Hauptverfasser:	Chen, Min, Yan, Jianguo, Huang, Xianfeng, Zuo, Zheng, Willner, Konrad, Xiang, Hanyu, Barriot, Jean-Pierre
Format:	Artikel
Sprache:	eng
Schlagworte:	Bulk density Computer vision Image reconstruction Mars Express (ESA) Phobos Photogrammetry Viking orbiter spacecraft
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creator	Chen, Min Yan, Jianguo Huang, Xianfeng Zuo, Zheng Willner, Konrad Xiang, Hanyu Barriot, Jean-Pierre
description	Aims. Our research focuses on developing a high-precision and relatively high-resolution shape model of Phobos. Methods. We employed advanced photogrammetric techniques combined with novel computer vision methods to reconstruct the 3D shape of Phobos from nearly 900 Mars Express/SRC and Viking Orbiter images. This research also involved a comparison of the newly developed shape model with previous models to identify differences for future missions. Results. This shape model was used to generate new measurements of the volume (5740 ± 30) km 3 , the surface area (1629 ± 8) km 2 , and the bulk density (1847 ± 11) kg m −3 of Phobos. By comparing our reconstructed shape model with prior models, we have identified key differences, especially in areas such as the Opik crater and near the Shklovsky crater. These findings highlight critical areas that warrant further investigation in future missions dedicated to exploring Phobos.
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subjects	Bulk density Computer vision Image reconstruction Mars Express (ESA) Phobos Photogrammetry Viking orbiter spacecraft
title	Advancements in the 3D shape reconstruction of Phobos: An analysis of shape models and future exploration directions
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