Granular processes on Itokawa, a small near-Earth asteroid: Implications for resource utilization

Hideaki Miyamoto, Jeffrey S. Kargel, Wolfgang Fink, Roberto Furfaro

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Crucial questions for possible utilization of Near Earth Asteroids include how to break asteroid materials down to particle sizes that can be processed. This remained difficult to answer because of the limited number and resolutions of images previous obtained through asteroid missions. Recently, the Hayabusa spacecraft obtained unprecedentedly high-resolution images of a ∼300m-sized asteroid, Itokawa, which gives unique opportunity to discuss the nature of surface materials on a small asteroid. Hayabusa reveals that the asteroid is covered by fine- and coarse-grained materials, including granules, pebbles, cobbles, and boulders up to tens of meters. Gravels on this small asteroid appear to be loosely deposited along the gravitational equipotential surfaces. The existence of smooth areas as well as boulder-rich rough areas indicate that gravels should have experienced migrations and segregations. Thus, the issue regarding the breaking of asteroid materials appears to have been resolved naturally, at least for this asteroid, which has important implications for future robotic missions dedicated to resource exploration and utilization.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume6960
DOIs
StatePublished - 2008
EventSpace Exploration Technologies - Orlando, FL, United States
Duration: Mar 17 2008Mar 18 2008

Other

OtherSpace Exploration Technologies
CountryUnited States
CityOrlando, FL
Period3/17/083/18/08

Fingerprint

Asteroids
asteroids
resources
Earth (planet)
gravels
Gravel
asteroid missions
equipotentials
robotics
Image resolution
spacecraft
Spacecraft
Robotics
Particle size
high resolution

Keywords

  • Asteroid
  • Regolith
  • Robotic mining operation
  • Space exploration
  • Space resources

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Miyamoto, H., Kargel, J. S., Fink, W., & Furfaro, R. (2008). Granular processes on Itokawa, a small near-Earth asteroid: Implications for resource utilization. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 6960). [69600I] https://doi.org/10.1117/12.784634

Granular processes on Itokawa, a small near-Earth asteroid : Implications for resource utilization. / Miyamoto, Hideaki; Kargel, Jeffrey S.; Fink, Wolfgang; Furfaro, Roberto.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6960 2008. 69600I.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Miyamoto, H, Kargel, JS, Fink, W & Furfaro, R 2008, Granular processes on Itokawa, a small near-Earth asteroid: Implications for resource utilization. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 6960, 69600I, Space Exploration Technologies, Orlando, FL, United States, 3/17/08. https://doi.org/10.1117/12.784634
Miyamoto H, Kargel JS, Fink W, Furfaro R. Granular processes on Itokawa, a small near-Earth asteroid: Implications for resource utilization. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6960. 2008. 69600I https://doi.org/10.1117/12.784634
Miyamoto, Hideaki ; Kargel, Jeffrey S. ; Fink, Wolfgang ; Furfaro, Roberto. / Granular processes on Itokawa, a small near-Earth asteroid : Implications for resource utilization. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6960 2008.
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