Advances in determining asteroid chemistries and mineralogies |
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| Institution: | 1. Department of Applied Physics, University of Tokyo, Tokyo, 113-8656, Japan;2. Max Planck Institute for the Physics of Complex Systems, D-01187 Dresden, Germany;1. German Aerospace Center (DLR), Institute of Space Systems, Robert-Hooke-Str. 7, 28359, Bremen, Germany;2. Freie Universität Berlin, Institute of Geological Sciences, Berlin, Germany;3. Institute d’Astrophysique Spatiale, Orsay, France;4. DLR, Institute of Planetary Research, Berlin, Germany;5. IGEP, Technische Universität Braunschweig, Germany;6. Centre National d’Etudes Spatiales (CNES), France;7. DLR, Institute of Space Operations, Cologne, Germany;8. Telespazio VEGA, Darmstadt, Germany;9. DLR, Institute of Composite Structures and Adaptive Systems, Braunschweig, Germany;10. JAXA, Institute of Space and Astronautical Science, Sagamihara, Japan;11. DLR, Institute of Robotics and Mechatronics, Oberpfaffenhofen, Germany;12. Institute for Mathematics, University of Potsdam, Karl-Liebknecht-Str. 24-25, Potsdam-Golm, Germany;13. Former: DLR, Institute of Space Systems, Bremen, Germany;14. Former: Institute of System Dynamics and Control, Oberpfaffenhofen, Germany;1. Auburn University, Auburn, AL, USA;2. Japan Aerospace Exploration Agency, Kanagawa, Japan;3. Rikkyo University, Tokyo, Japan;4. Nagoya University, Aichi, Japan;5. National Institute of Advanced Industrial Science and Technology, Tokyo, Japan;6. Tokyo City University, Tokyo, Japan;7. Kwansei Gakuin University, Hyogo, Japan;8. Japan Spaceguard Association, Okayama, Japan;9. Hosei University, Tokyo, Japan;10. Seoul National University, Seoul, South Korea;11. Kyoto University, Kyoto, Japan;12. University of Tokyo, Tokyo, Japan;13. Hokkaido University, Hokkaido, Japan;14. University of Occupational and Environmental Health, Fukuoka, Japan;15. Chiba Institute of Technology, Chiba, Japan;p. National Astronomical Observatory of Japan, Iwate, Japan;q. National Institute of Technology, Oshima College, Yamaguchi, Japan;r. University of Aizu, Fukushima, Japan;s. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA;t. University of Hawai’i, Manoa, HI, USA;u. University of Arizona, Tucson, AZ, USA;v. Asgard Research, Denver, CO, USA;w. Lowell Observatory, Flagstaff, AZ, USA;x. NASA Johnson Space Center, Houston, TX, USA |
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| Abstract: | Considerable progress has been made in the last few years in determining asteroid chemistries and mineralogies. Dedicated spacecraft missions have allowed mineralogical predictions based on ground-based data to be confirmed or refuted. These missions include NEAR-Shoemaker to (253) Mathilde and (433) Eros, Hayabusa to (25143) Itokawa, and Dawn to (4) Vesta and (1) Ceres, the upcoming Hayabusa2 to (162173) Ryugu, and the upcoming OSIRIS-Rex to (101955) Bennu. All of these missions have or will make significant advances that could not have been made through just Earth-based observations. The recovery of Almahata Sitta from 2008 TC3 was a rare opportunity to recover meteorite samples from a spectrally observed body from a naturally occurring event. This review will discuss the importance of spacecraft missions to asteroids. |
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| Keywords: | Asteroids Meteorites Spacecraft missions Space weathering |
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