Developing space weathering on the asteroid 25143 Itokawa

Takahiro Hiroi (), Masanao Abe, Kohei Kitazato, Shinsuke Abe, Beth E. Clark, Sho Sasaki, Masateru Ishiguro and Olivier S. Barnouin-Jha
Additional contact information
Takahiro Hiroi: Brown University
Masanao Abe: Japan Aerospace Exploration Agency
Kohei Kitazato: Japan Aerospace Exploration Agency
Shinsuke Abe: Graduate School of Science and Technology, Kobe University
Beth E. Clark: Ithaca College, 267 Center for Natural Sciences
Sho Sasaki: RISE Project Office, National Astronomical Observatory of Japan
Masateru Ishiguro: College of Natural Sciences, Seoul National University
Olivier S. Barnouin-Jha: Johns Hopkins University Applied Physics Laboratory

Nature, 2006, vol. 443, issue 7107, 56-58

Abstract: Asteroids under the weather You'd expect the parent bodies of ordinary chondrites, the most common type of meteorite, to be abundant in the Solar System. But the S-type asteroids that dominate the main asteroid belt do not look like parent-body material. A possible explanation is that surfaces of the parent bodies become optically altered by 'space weathering'. This theory gets a boost with the discovery of extensive space weathering on the asteroid Itokawa, based on data from the Hayabusa asteroid-rendezvous spacecraft.

Date: 2006
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DOI: 10.1038/nature05073

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