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| Paper: |
Cartographic Mapping Using High-Resolution Shape Models |
| Volume: |
541, ADASS XXXIII |
| Page: |
273 |
| Authors: |
Kris J. Becker; Kenneth L. Edmundson; Dathon R. Golish; Michael C. Nolan; Daniella N. DellaGiustina |
| DOI: |
10.26624/SNJH1855 |
| Abstract: |
The sample of asteroid (101955) Bennu collected by NASA’s OSIRIS-REx spacecraft on 20 October 2020 was returned to Earth on 24 September 2023. The
successful sample acquisition was enabled in part by cartographic support from the
mission’s Image Processing Working Group at the University of Arizona in Tucson. A
dedicated version of the ISIS planetary cartography package, improved by the OSIRIS-REx Image Processing Working Group (IPWG) to support very high-resolution shape
models and small body mapping, was utilized for image processing, photogrammetric
control, and mosaicking. High shape model resolution is required to avoid artifacts, but
imposes serious performance penalties without the OSIRIS-REx improvements. The
publicly available ISIS package is developed and maintained by the USGS Astrogeology Science Center. The IPWG and USGS are now working together to make the
improvements available to the scientific community in the public version of ISIS. We
expect these improvements to be valuable both for small bodies and for surfaces such as
the Moon where rough topography affects illumination and viewing geometries. Here
we describe these improvements and their contribution to the success of the OSIRIS-REx mission. |
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