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- Title
Meter-Scale Slopes of Candidate InSight Landing Sites from Point Photoclinometry.
- Authors
Beyer, Ross
- Abstract
Photoclinometry was used to analyze the small-scale roughness of areas within the proposed Mars InSight landing ellipse. The landing ellipse presented in this study is in Elysium Planitia. This study was able to constrain surface slopes on length scales comparable to the HiRISE image resolution (0.25 meters/pixel and coarser). The InSight mission has various engineering constraints that each candidate landing ellipse must satisfy. These constraints indicate that the statistical value of the slopes at one, two, and five meter baselines are an important criterion. This technique estimates surface slopes across large swaths of each image, and builds up slope statistics for the images in the landing ellipse. The slopes I derived for the InSight landing site ellipse in this study are within the small-scale roughness constraints put forth by the InSight project. These results have provided input into the landing hazard assessment process.
- Subjects
MARS landing sites; REMOTE-sensing images; SURFACE roughness; SLOPES (Physical geography); ELLIPSES (Geometry)
- Publication
Space Science Reviews, 2017, Vol 211, Issue 1-4, p97
- ISSN
0038-6308
- Publication type
Article
- DOI
10.1007/s11214-016-0287-7