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http://hdl.handle.net/1893/28498| Appears in Collections: | Biological and Environmental Sciences Journal Articles |
| Peer Review Status: | Refereed |
| Title: | Asteroid Ryugu before the Hayabusa2 encounter |
| Author(s): | Wada, Koji Grott, Matthias Michel, Patrick Walsh, Kevin J Barucci, Antonella M Biele, Jens Blum, Jurgen Ernst, Carolyn M Grundmann, Jan Thimo Gundlach, Bastian Hagermann, Axel Hamm, Maximilian Jutzi, Martin Kim, Myungjin Le Corre, Lucille |
| Keywords: | Hayabusa2 Ryugu Asteroids Regolith Physical properties |
| Issue Date: | 11-Dec-2018 |
| Date Deposited: | 8-Jan-2019 |
| Citation: | Wada K, Grott M, Michel P, Walsh KJ, Barucci AM, Biele J, Blum J, Ernst CM, Grundmann JT, Gundlach B, Hagermann A, Hamm M, Jutzi M, Kim M & Le Corre L (2018) Asteroid Ryugu before the Hayabusa2 encounter. Progress in Earth and Planetary Science, 5 (1), Art. No.: 82. https://doi.org/10.1186/s40645-018-0237-y |
| Abstract: | Asteroid (162173) Ryugu is the target object of Hayabusa2, an asteroid exploration and sample return mission led by Japan Aerospace Exploration Agency (JAXA). Ground-based observations indicate that Ryugu is a C-type near-Earth asteroid with a diameter of less than 1 km, but the knowledge of its detailed properties is very limited prior to Hayabusa2 observation. This paper summarizes our best understanding of the physical and dynamical properties of Ryugu based on ground-based remote sensing and theoretical modeling before the Hayabusa2’s arrival at the asteroid. This information is used to construct a design reference model of the asteroid that is used for the formulation of mission operation plans in advance of asteroid arrival. Particular attention is given to the surface properties of Ryugu that are relevant to sample acquisition. This reference model helps readers to appropriately interpret the data that will be directly obtained by Hayabusa2 and promotes scientific studies not only for Ryugu itself and other small bodies but also for the solar system evolution that small bodies shed light on. |
| DOI Link: | 10.1186/s40645-018-0237-y |
| Rights: | © The Author(s). 2018 This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. |
| Notes: | Additional co-authors: Guy Libourel, Roy Lichtenheldt, Alessandro Maturilli, Scott R. Messenger, Tatsuhiro Michikami, Hideaki Miyamoto, Stefano Mottola, Thomas Müller, Akiko M. Nakamura, Larry R. Nittler, Kazunori Ogawa, Tatsuaki Okada, Ernesto Palomba, Naoya Sakatani, Stefan E. Schröder, Hiroki Senshu, Driss Takir, Michael E. Zolensky and International Regolith Science Group (IRSG) in Hayabusa2 project |
| Licence URL(s): | http://creativecommons.org/licenses/by/4.0/ |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Asteroid Ryugu before the Hayabusa2 encounter.pdf | Fulltext - Published Version | 8.43 MB | Adobe PDF | View/Open |
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