25143 Itokawa scaled one in eight thousand

Originally published here: 25143 Itokawa scaled one in eight thousand by tato_713 - Thingiverse

This model was plotted using MATLAB R2016a on the ICQ model of the PSI made by Robert Gaskell from the data of the Hayabusa mission.

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. 

25143 Itokawa

This subkilometer Near Earth Asteroid is the smallest natural object visited by a spacecraft. The Hayabusa probe caught more than 1500 particles of regolith from the asteroid. It is a contact binary between two bodies, the smallest seems to be denser, probably monolithic; while the bigger one is porous, probably a rubble pile. This configuration is similar to the bigger Trans Neptunian Object Arrokoth, beside its different composition.

• Type: Near Earth asteroid. Potentially hazardous asteroid. 
• Orbit: Sun. Apollo group. 
• Orbital period: 557 d. 
• Rotational period: 12 h 7 min 55 s. 
• Composition: Silicate material. S-type. Rubble pile. Contact binary 
• Density: 1.9 g/cm3 
• Dimensions: 535 m × 294 m × 209 m 
• Model scale: 1:3x103 (18cm) 1:8x103 (7cm)

References

• "Gaskell, R., Saito, J., Ishiguro, M., Kubota, T., Hashimoto, T., Hirata, N., Abe, S., Barnouin-Jha, O., and Scheeres, D., Gaskell Itokawa Shape Model V1.0. HAY-A-AMICA-5-ITOKAWASHAPE-V1.0. NASA Planetary Data System, 2008."
• Surf to STL function for MATLAB 

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