A model and map of Amalthea

A topographic model of Amalthea (JV) was derived from the shapes of limbs and terminators in Voyager images, modified locally to accommodate large craters and ridges. The model is presented in tabular and graphic form, including the first detailed shaded relief maps of the satellite. The shape is ve...

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Bibliographic Details
Published in:Earth, moon, and planets moon, and planets, 1992-02, Vol.56 (2), p.123-139
Main Author: STOOKE, P. J
Format: Article
Language:English
Subjects:
Astronomy
Cosmochemistry. Extraterrestrial geology
Earth sciences
Earth, ocean, space
Exact sciences and technology
Extraterrestrial geology
Jupiter
Planets, their satellites and rings. Asteroids
Solar system
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Summary:A topographic model of Amalthea (JV) was derived from the shapes of limbs and terminators in Voyager images, modified locally to accommodate large craters and ridges. The model is presented in tabular and graphic form, including the first detailed shaded relief maps of the satellite. The shape is very irregular, with radii varying between about 53 and 151 +/- 5 km. The minimum value occurs in a deep crater at the south pole. The volume is estimated to be 2.5 +/- 0.5 x 10 exp 6 cu km. A prominent groove or valley extends some 150 km across the trailing side. High albedo, spectrally distinct markings are mapped and found to have a less obvious relationship with relief than previously suggested. (Author)
ISSN:0167-9295
1573-0794
DOI:10.1007/BF00056353