2013•Lunar and Planetary Science ConferenceRequires access
The Nature of C Asteroid Regolith from Meteorite Observations
M. E. Zolensky, T. Mikouchi, Kenji Hagiya, K. Ohsumi, M. Komatsu, Peter Jenniskens, L. Le, Qing‐Zhu Yin, Yoko Kebukawa, M. Fries
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Abstract
Regolith from C (and related) asteroid bodies are a focus of the current missions Dawn at Ceres, Hayabusa 2 and OSIRIS REx. An asteroid as large as Ceres is expected to be covered by a mature regolith, and as Hayabusa demonstrated, flat and therefore engineeringly-safe ponded deposits will probably be the sampling sites for both Hayabusa 2 and OSIRIS REx. Here we examine what we have learned about the mineralogy of fine-grained asteroid regolith from recent meteorite studies and the examination of the samples harvested from asteroid Itokawa by Hayabusa.