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Asteroid Ryugu Before the Hayabusa2 Encounter

Wada, Koji and Grott, Matthias and Michel, Patrick and Walsh, Kevin J. and Barucci, Antonella and Biele, Jens and Blum, Jürgen and Ernst, Carolyn M. and Grundmann, Jan Thimo and Gundlach, Bastian and Hagermann, Axel and Hamm, Maximilian and Jutzi, Martin and Kim, Myung-Jin and Kührt, Ekkehard and Le Corre, Lucille and Libourel, Guy and Lichtenheldt, Roy and Maturilli, Alessandro and Messenger, Scott R. and Michikami, Tatsuhiro and Miyamoto, Hideaki and Mottola, Stefano and Müller, Thomas and Nakamura, Akiko M. and Nittler, Larry R. and Ogawa, Kazunori and Okada, Tatsuaki and Palomba, Ernesto and Sakatani, Naoya and Schröder, Stefan and Senshu, Hiroki and Takir, Driss and Zolensky, Michael E. and International Regolith Science Group (IRSG) in Hayabusa2 project, n/a (2018) Asteroid Ryugu Before the Hayabusa2 Encounter. Progress in Earth and Planetary Science. Springer. DOI: 10.1186/s40645-018-0237-y ISSN 2197-4284

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Official URL: 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 formulation of mission operations 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.

Item URL in elib:https://elib.dlr.de/121973/
Document Type:Article
Title:Asteroid Ryugu Before the Hayabusa2 Encounter
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wada, Kojiwada (at) perc.it-chiba.ac.jpUNSPECIFIED
Grott, Matthiasmatthias.grott (at) dlr.dehttps://orcid.org/0000-0003-0319-2514
Michel, Patrickmichelp (at) oca.euUNSPECIFIED
Walsh, Kevin J.kwalsh (at) boulder.swri.eduUNSPECIFIED
Barucci, Antonellaantonella.barucci (at) obspm.frUNSPECIFIED
Biele, Jensjens.biele (at) dlr.dehttps://orcid.org/0000-0002-7414-829X
Blum, Jürgenj.blum (at) tu-bsUNSPECIFIED
Ernst, Carolyn M.Carolyn.Ernst (at) jhuapl.eduUNSPECIFIED
Grundmann, Jan Thimojan.grundmann (at) dlr.dehttps://orcid.org/0000-0002-8809-0981
Gundlach, Bastianb.gundlach (at) tu-bs.deUNSPECIFIED
Hagermann, Axelaxalhagermann (at) stir.ac.ukUNSPECIFIED
Hamm, Maximilianmaximilian.hamm (at) dlr.deUNSPECIFIED
Jutzi, Martinmartin.jutzi (at) space.unibe.chUNSPECIFIED
Kim, Myung-Jinskarma (at) kasi.re.krUNSPECIFIED
Kührt, Ekkehardekkehard.kuehrt (at) dlr.deUNSPECIFIED
Le Corre, Lucillelecorre (at) psi.eduUNSPECIFIED
Libourel, Guylibou (at) oca.euUNSPECIFIED
Lichtenheldt, RoyRoy.Lichtenheldt (at) dlr.dehttps://orcid.org/0000-0002-2539-4910
Maturilli, AlessandroAllesandro.Maturilli (at) dlr.deUNSPECIFIED
Messenger, Scott R.scott.r.messenger (at) nasa.govUNSPECIFIED
Michikami, Tatsuhiromichikami (at) hiro.kindai.ac.jpUNSPECIFIED
Miyamoto, Hideakihm (at) sys.t.u-tokyo.ac.jpUNSPECIFIED
Mottola, Stefanostefano.mottola (at) dlr.deUNSPECIFIED
Müller, Thomastmueller (at) mpe.mpg.deUNSPECIFIED
Nakamura, Akiko M.amnakamu (at) kobe-u.ac.jpUNSPECIFIED
Nittler, Larry R.lnittler (at) ciw.eduUNSPECIFIED
Ogawa, Kazunorikazunori.ogawa (at) topaz.kobe-u.ac.jpUNSPECIFIED
Okada, Tatsuakiokada (at) planeta.sci.isas.jaxa.jpUNSPECIFIED
Palomba, Ernestoernesto.palomba (at) iaps.inaf.itUNSPECIFIED
Sakatani, Naoyasakatani (at) planeta.sci.isas.jaxa.jpUNSPECIFIED
Schröder, StefanStefanus.Schroeder (at) dlr.dehttps://orcid.org/0000-0003-0323-8324
Senshu, Hirokisenshu (at) perc.it-chiba.ac.jpUNSPECIFIED
Takir, Drissdtakir (at) gmail.comUNSPECIFIED
Zolensky, Michael E.michael.e.zolensky (at) nasa.govUNSPECIFIED
International Regolith Science Group (IRSG) in Hayabusa2 project, n/aUNSPECIFIEDUNSPECIFIED
Date:2018
Journal or Publication Title:Progress in Earth and Planetary Science
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1186/s40645-018-0237-y
Publisher:Springer
ISSN:2197-4284
Status:Published
Keywords:Asteroid, Ryugu, 1999 JU3, near Earth Asteroid (NEA), C-type Asteroid, Asteroid reference model, Hayabusa2, JAXA, ground-based observations
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):Vorhaben asteroids and comets, Project MASCOT Science and operation, Project MASCOT (Instruments), R - Projekt Mascot (Rob.), R - Projekt Mascot (Bus)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Asteroids and Comets
Institute of Space Systems > Systems Engineering and Project Office
Institute of Planetary Research > Planetary Physics
Deposited By: Grundmann, Jan Thimo
Deposited On:02 Oct 2018 13:16
Last Modified:27 Jun 2019 10:58

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