Physics – Geophysics
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pggp.rept..528w&link_type=abstract
In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1986 p 528-529 (SEE N87-23341 16-91)
Physics
Geophysics
Imaging Techniques, Photogrammetry, Satellite Imagery, Uranus Satellites, Voyager 2 Spacecraft, Digital Techniques, Ganymede, Io, Miranda, Southern Hemisphere, Terrain Analysis, Topography, Voyager 1 Spacecraft
Scientific paper
In January 1986, Voyager 2 took a series of pictures of Uranus and its satellites with the Imaging Science System (ISS) on board the spacecraft. Based on six stereo images from the ISS narrow-angle camera, a topographic map was compiled of the Southern Hemisphere of Miranda, one of Uranus' moons. Assuming a spherical figure, a 20-km surface relief is shown on the map. With three additional images from the ISS wide-angle camera, a control network of Miranda's Southern Hemisphere was established by analytical photogrammetry, producing 88 ground points for the control of multiple-model compilation on the AS-11AM analytical stereoplotter. Digital terrain data from the topographic map of Miranda have also been produced. By combining these data and the image data from the Voyager 2 mission, perspective views or even a movie of the mapped area can be made. The application of these newly developed techniques to Voyager 1 imagery, which includes a few overlapping pictures of Io and Ganymede, permits the compilation of contour maps or topographic profiles of these bodies on the analytical stereoplotters.
Howington Annie-Elpis
Jordan Raymond
Schafer Francis J.
Wu Sherman S. C.
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