Callisto with known topography scaled one in sixty million

Originally published here: Callisto with known topography scaled one in sixty million by tato_713 - Thingiverse

This model is based on the global digital elevation map (DEM) of the MIIGAiK Extraterrestrial Laboratory (MExLab) Geoportal site. It was rendered using MATLAB R2016a. The file's names explained: name_1_x_10_y.stl is 1 : x* 10^y. So _1_6_10_7 is 1:600000000 or one in 60 million. 

J4 Callisto

Callisto is the second biggest moon of Jupiter, and the fourth in distance to it of the Galilean Moons. It is the biggest object known to not been fully differentiated, which means that the entire body never melt enough for make a complete differentiation between ice and rock, unlike the other Galilean Moons. Because of that, Callisto has one of the oldest and more cratered surface of the Solar System, almost sutured of impacts. One of the most recognisable features is the multi-ring impact structure named Valhala.

• Type: Satellite. 
• Orbit: Jupiter. 
• Orbital period: 16.689 d 
• Composition: Icy body. Partially differentiated interior. Subsurface ocean.
• Density: 1.8344 g/cm3. 
• Dimensions: 4820.6km
• Model scale: 1:6x107 (8cm), 1:1.2x108 (4cm)

References

• MExLab Geoportal
• Surf to STL function for MATLAB 

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