Evidence of Space Weathering on the CI1-Chondrite Asteroid 162173 Ryugu
Hiroi T.* Milliken R. E. Robertson K. M. Schultz C. D. Amano K. Nakamura T. 54th Lunar and Planetary Science Conference 2023 abstract [#1040] A 6 nm shift in the 2.7-micron band positoin between returned samples and the surface materials of asteroid Ryugu indicates…
Ni Isotopic Composition of Ryugu Samples Returned by the Hayabusa2 Mission
Spitzer F.* Burkhardt C. Kleine T. Hayabusa2 Initial Analysis Chem. Team Hayabusa2-Initial-Analysis core 54th Lunar and Planetary Science Conference 2023abstract [#2488] The Ni isotopic composition of Ryugu is identical to that of CIs and different from all other…
Water in Asteroid Ryugu is Deuterium-Rich Compared to Earth and CI Chondrites
Nittler L. R.* Barosch J. Wang J. Alexander C. M. O’D. 54th Lunar and Planetary Science Conference 2023abstract [#1411] Use oxygen ions / Measure Ryugu water / Deuterium-rich!
Ryugu and the Quest for Unaltered CI-Like Materials from the Early Solar System
Goodrich C. A.* Lee S. Mane P. Hamilton V. E. Zolensky M. E. Kita N. T. 54th Lunar and Planetary Science Conference 2023abstract [#1446] Anhydrous silicates and Ca,Al-rich phases in Ryugu are remnants of CI3 material. We are studying xenoliths from polymict ureilites that show…
The noble gas and nitrogen relationship between Ryugu and carbonaceous chondritesOPEN ACCESS
M.W. Broadley, D.J. Byrne, E. Füri, L. Zimmermann, B. Marty, R. Okazaki, T. Yada, F. Kitajima, S. Tachibana, K. Yogata, K. Sakamoto, H. Yurimoto, T. Nakamura, T. Noguchi, H. Naraoka, H. Yabuta, S. Watanabe, Y….
Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite
Kaitlyn A. McCain, Nozomi Matsuda, Ming-Chang Liu, Kevin D. McKeegan, Akira Yamaguchi, Makoto Kimura, Naotaka Tomioka, Motoo Ito, Naoya Imae, Masayuki Uesugi, Naoki Shirai, Takuji Ohigashi, Richard C. Greenwood, Kentaro Uesugi, Aiko Nakato, Kasumi Yogata,…
Small grains from Ryugu: handling and analysis pipeline for infrared synchrotron microspectroscopyOPEN ACCESS
Stefano Rubino, Zélia Dionnet, Alice Aléon-Toppani, Rosario Brunetto, Tomoki Nakamura, Donia Baklouti, Zahia Djouadi, Cateline Lantz, Obadias Mivumbi, Ferenc Borondics, Stephane Lefrançois, Christophe Sandt, Francesco Capitani, Eva Héripré, David Troadec, Megumi Matsumoto, Kana Amano, Tomoyo…
Methods and tools for handling, transportation, weighing, and pelletization applied to the initial analysis of volatile components in the Hayabusa2 samplesOPEN ACCESS
Ryuji Okazaki, Shinji Yamanouchi, Kazuhiko Shimada, Atsushi Baba, Fumio Kitajima & Toru Yada Earth, Planets and Space, Volume 74, Article number: 190Published: 27 December 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Hayabusa2 spacecraft succeeded in sampling and returning…
A dehydrated space-weathered skin cloaking the hydrated interior of RyuguOPEN ACCESS
Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Yohei Igami, Mitsutaka Haruta, Hikaru Saito, Satoshi Hata, Yusuke Seto, Masaaki Miyahara, Naotaka Tomioka, Hope A. Ishii, John P. Bradley, Kenta K. Ohtaki, Elena Dobrică, Hugues Leroux, Corentin Le…
Oxygen isotope evidence from Ryugu samples for early water delivery to Earth by CI chondritesOPEN ACCESS
Richard C. Greenwood, Ian A. Franchi, Ross Findlay, James A. Malley, Motoo Ito, Akira Yamaguchi, Makoto Kimura, Naotaka Tomioka, Masayuki Uesugi, Naoya Imae, Naoki Shirai, Takuji Ohigashi, Ming-Chang Liu, Kaitlyn A. McCain, Nozomi Matsuda, Kevin…
Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis
Marine Paquet, Frederic Moynier, Tetsuya Yokoyama, Wei Dai, Yan Hu, Yoshinari Abe, Jérôme Aléon, Conel M. O’D. Alexander, Sachiko Amari, Yuri Amelin, Ken-ichi Bajo, Martin Bizzarro, Audrey Bouvier, Richard W. Carlson, Marc Chaussidon, Byeon-Gak Choi,…
Constraining surface properties of asteroid (162173) Ryugu from numerical simulations of Hayabusa2 mission impact experimentOPEN ACCESS
Martin Jutzi, Sabina D. Raducan, Yun Zhang, Patrick Michel & Masahiko Arakawa Nature Communications, Volume 13, Article number: 7134 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Hayabusa2 mission impact experiment on asteroid Ryugu created an unexpectedly…
Trace-element analysis of mineral grains in Ryugu rock fragment sections by synchrotron-based confocal X-ray fluorescenceOPEN ACCESS
Benjamin Bazi, Pieter Tack, Miles Lindner, Bart Vekemans, Ella De Pauw, Beverley Tkalcec, Frank E. Brenker, Jan Garrevoet, Gerald Falkenberg, Hikaru Yabuta, Hisayoshi Yurimoto, Tomoki Nakamura, Kana Amano, Megumi Matsumoto, Yuri Fujioka, Yuma Enokido, Daisuke…
Derivation of 1.064 μm normal albedos on the C-type asteroid Ryugu from laser pulse intensity measurement of the Hayabusa2 LIDAROPEN ACCESS
Ryuhei Yamada, Keiko Yamamoto, Shoko Oshigami, Hiroshi Araki, Hiroki Senshu, Hirotomo Noda, Noriyuki Namiki, Koji Matsumoto, Fumi Yoshida, Shinsuke Abe, Naru Hirata, Sho Sasaki & Takahide Mizuno Earth, Planets and Space volume 74, Article number:…
Linking remote sensing, in situ and laboratory spectroscopy for a Ryugu analog meteorite sampleOPEN ACCESS
Alessandro Maturilli, Sabrina Schwinger, Enrica Bonato, Jörn Helbert, Mickael Baqué, Maximilian Hamm, Giulia Alemanno and Mario D’Amore Frontiers in Space Technologies, 24 October 2022Sec. Space Robotics LINK (OPEN ACCESS)PDF (DOWNLOAD) “In 2022 JAXA issued an…
First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from RyuguOPEN ACCESS
Ryuji Okazaki, Yayoi N. Miura, Yoshinori Takano, Hirotaka Sawada, Kanako Sakamoto, Toru Yada, Keita Yamada, Shinsuke Kawagucci, Yohei Matsui, […] Shogo Tachibana Science Advances20 Oct 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials (PDF) “The…
Ryugu’s nucleosynthetic heritage from the outskirts of the Solar SystemOPEN ACCESS
Timo Hopp, Nicolas Dauphas, Yoshinari Abe, Jérôme Aléon, Conel M. O’D. Alexander, Sachiko Amari, Yuri Amelin, Ken-ichi Bajo, Martin Bizzarro […] Hisayoshi Yurimoto Science Advances20 Oct 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials (PDF)…
Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolutionOPEN ACCESS
Ryuji Okazaki, Bernard Marty, Henner Busemann, Ko Hashizume, Jamie D. Gilmour, Alex Meshik, Toru Yada, Fumio Kitajima, Michael W. Broadley […] Yuichi Tsuda Science Advances20 Oct 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials (PDF)…
Particle size distributions inside and around the artificial crater produced by the Hayabusa2 impact experiment on RyuguOPEN ACCESS
K. Ogawa, N. Sakatani, T. Kadono, M. Arakawa, R. Honda, K. Wada, K. Shirai, Y. Shimaki, K. Ishibashi, Y. Yokota, T. Saiki, H. Imamura, Y. Tsuda, S. Nakazawa, Y. Takagi, M. Hayakawa, H. Yano, C….
Rare earth element identification and quantification in millimetre-sized Ryugu rock fragments from the Hayabusa2 space missionOPEN ACCESS
Pieter Tack, Ella De Pauw, Beverley Tkalcec, Miles Lindner, Benjamin Bazi, Bart Vekemans, Frank Brenker, Marco Di Michiel, Masayuki Uesugi, Hisayoshi Yurimoto, Tomoki Nakamura, Kana Amano, Megumi Matsumoto, Yuri Fujioka, Yuma Enokido, Daisuke Nakashima, Takaaki…
Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples
T. Nakamura M. Matsumoto K. Amano Y. Enokido M. E. Zolensky T. Mikouchi H. Genda S. Tanaka M. Y. Zolotov K. Kurosawa S. Wakita R. Hyodo H. Nagano D. Nakashima Y. Takahashi Y. Fujioka M….
Characterization of the MASCOT landing area by Hayabusa2OPEN ACCESS
Stefan Schröder, Naoya Sakatani, Rie Honda, Eri Tatsumi, Yasuhiro Yokota, Deborah Domingue, Yuichiro Cho, Shingo Kameda, Kohei Kitazato, Toru Kouyama, Moe Matsuoka, Akira Miura, Tomokatsu Morota, Tatsuaki Okada, Hirotaka Sawada, Hiroki Senshu, Yuri Shimaki, Seiji…
Incorporation of 16O-rich anhydrous silicates in the protolith of highly hydrated asteroid Ryugu
Ming-Chang Liu, Kaitlyn A. McCain, Nozomi Matsuda, Akira Yamaguchi, Makoto Kimura, Naotaka Tomioka, Motoo Ito, Masayuki Uesugi, Naoya Imae, Naoki Shirai, Takuji Ohigashi, Richard C. Greenwood, Kentaro Uesugi, Aiko Nakato, Kasumi Yogata, Hayato Yuzawa, Yu…
A pristine record of outer Solar System materials from asteroid Ryugu’s returned sampleOPEN ACCESS
Motoo Ito, Naotaka Tomioka, Masayuki Uesugi, Akira Yamaguchi, Naoki Shirai, Takuji Ohigashi, Ming-Chang Liu, Richard C. Greenwood, Makoto Kimura, Naoya Imae, Kentaro Uesugi, Aiko Nakato, Kasumi Yogata, Hayato Yuzawa, Yu Kodama, Akira Tsuchiyama, Masahiro Yasutake,…
Presolar Stardust in Asteroid RyuguOPEN ACCESS
Jens Barosch, Larry R. Nittler, Jianhua Wang, Conel M. O’D. Alexander, Bradley T. De Gregorio, Cécile Engrand, Yoko Kebukawa, Kazuhide Nagashima, Rhonda M. Stroud, Hikaru Yabuta et all The Astrophysical Journal Letters, Volume 935, Number…
NIRS3 spectral analysis of the artificial Omusubi-Kororin crater on Ryugu
A Galiano, E Palomba, F Dirri, A Longobardo, K Kitazato, T Iwata, M Matsuoka, T Hiroi, D Takir, T Nakamura, M Abe, M Ohtake, S Matsuura, S Watanabe, M Yoshikawa, T Saiki, S Tanaka, T…
Incipient Space Weathering on 162173 Ryugu Recorded by Crystallographic Changes of Pyrrhotite
Harries D. * Langenhorst F. Matsumoto T. Noguchi T. Yurimoto H. Nakamura T. Yabuta H. Naraoka H. Okazaki R. Sakamoto K. Tachibana S. Watanabe S. Tsuda Y. MetSoc 2022 abstract [#6073] LINK “Pyrrhotite recovered from…
Dehydration Decomposition of Phyllosilicates in the C-Type Asteroid Ryugu Material by Space Weathering
Noguchi T. * Matsumoto T. Miyake A. Igami Y. Haruta M. Saito H. Hata S. Seto Y. Miyahara M. Tomioka N. Ishii H. A. Bradley J. P. Ohtaki K. Dobricǎ E. Leroux H. LeGuillou C….
Molecular Atlas and Structural Complexity Revealed with Ultrahigh Resolution Mass Spectrometry and Nuclear Magnetic Resonance Spectroscopy of Ryugu
Schmitt-Kopplin Ph. Hertkorn H. Harir M. Lucio M. Naraoka H. Hayabusa2-Initial-Analysis SOM Team Hayabusa2-Initial-Analysis Core MetSoc 2022 abstract [#6040]LINK “Ryugu sample A0106 showed extreme chemical diversity and complexity, close to low temperature water altered meteoritic…
Site selection for the Hayabusa2 artificial cratering and subsurface material sampling on Ryugu
Shota Kikuchi, Sei-ichiro Watanabe, Koji Wada, Takanao Saiki et al. Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 16 June 2022 LINK “Highlights • Hayabusa2 aimed to collect subsurface samples from Ryugu excavated by…
Environmental assessment in the prelaunch phase of Hayabusa2 for safety declaration of returned samples from the asteroid (162173) Ryugu: background monitoring and risk management during development of the sampler systemOPEN ACCESS
Kanako Sakamoto, Yoshinori Takano, Hirotaka Sawada, Ryuji Okazaki, Takaaki Noguchi, Masayuki Uesugi, Hajime Yano, Toru Yada, Masanao Abe, Shogo Tachibana & The Hayabusa2 Project Team Earth, Planets and Space, Volume 74, Article number: 90 LINK…
Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteoritesOPEN ACCESS
Tetsuya Yokoyama, Kazuhide Nagashima, Izumi Nakai, Edward D. Young, Yoshinari Abe, Jérôme Aléon, Conel M. O’D. Alexander, Sachiko Amari, Yuri Amelin, Ken-ichi Bajo, Martin Bizzarro, Audrey Bouvier, Richard W. Carlson, Marc Chaussidon, Byeon-Gak Choi, Nicolas…
On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspectiveOPEN ACCESS
Eizo NAKAMURA , Katsura KOBAYASHI, Ryoji TANAKA, Tak KUNIHIRO, Hiroshi KITAGAWA, Christian POTISZIL, Tsutomu OTA, Chie SAKAGUCHI, Masahiro YAMANAKA, Dilan M. RATNAYAKE, Havishk TRIPATHI, Rahul KUMAR, Maya-Liliana AVRAMESCU, Hidehisa TSUCHIDA, Yusuke YACHI, Hitoshi MIURA, Masanao…
Three-axial shape distributions of pebbles, cobbles and boulders smaller than a few meters on asteroid RyuguOPEN ACCESS
Tatsuhiro Michikami, Axel Hagermann, Tomokatsu Morota, Yasuhiro Yokota, Seitaro Urakawa, Hiroyuki Okamura, Naoya Tanabe, Koki Yumoto, Tatsuki Ebihara, Yuichiro Cho, Carolyn M. Ernst, Masahiko Hayakawa, Masatoshi Hirabayashi, Naru Hirata, Chikatoshi Honda, Rie Honda, Shingo Kameda,…
Non-protein amino acids identified in carbon-rich Hayabusa particles
Eric T. Parker, Queenie H. S. Chan, Daniel P. Glavin, Jason P. Dworkin MAPSVersion of Record online: 08 March 2022 LINK “Amino acid abundances in acid-hydrolyzed hot water extracts of gold foils containing five Category…
In-Situ Oxygen Isotope Study of Anhydrous Minerals in a Ryugu Particle: Implications for the Precursors to CI-Chondrite Parent Bodies
Liu M.-C. McCain K. A. Matsuda N. Yamaguchi A. Kimura M. et al. PDF LPSC 2022 abstract [#2276] “Ryugu’s olivine / Not only chondrule pieces / But also AOA remains.”
Carbonaceous Presolar Grains in Asteroid Ryugu
Nittler L R. Barosch J. De Gregorio B. T. Stroud R. M. Yabuta H. et al. PDF LPSC 2022 abstract [#1423] “Dust made of carbon / Older than Sun, found in / Ryugu samples..”
Organics and Their Relationship to Phyllosilicates in Ryugu, Orgueil and Ivuna: In Situ TEM and XANES Study
Le Guillou C. Bernard S. Leroux H. Noguchi T. Yurimoto H. et al. PDF LPSC 2022 abstract [#2099] “Organics in Ryugu are less oxygenated than CI chondrites. Either terrestrial weathering or parent body alteration conditions…
Olivine Compositional Variation of Asteroid Ryugu Samples: Possible Precursors of Ryugu’s Parent Asteroid
Mikouchi T. Nakamura T. Zolensky M. E. Yoshida H. Nakashima D. et al. PDF LPSC 2022 abstract [#1935] “Ryugu samples have rare olivine-bearing fragments, possible precursors of Ryugu’s parent asteroid. Ryugu olivines are compositionally similar…
Mineralogical Comparison Between Asteroid Ryugu Samples Returned by the Hayabusa2 Spatial Mission and Antarctic Micrometeorites (AMMs)
Bejach L. Engrand C. Duprat J. Dartois E. Mathurin J. et al. PDF LPSC 2022 abstract [#1924] “Ryugu samples are made of phyllosilicates, magnetite, Fe sulfides, carbonates, rare apatite. AMMs show similar magnetite structures (~5%),…
Comparison of Ryugu Particles with IDPs and Comet Samples
Brownlee D. E. Joswiak D. J. Nakamura T. Morita T. Amano K. et al. PDF LPSC 2022 abstract [#1774] “TEM studies compare 50µm Ryugu particles with comet samples and stratospheric IDPs. Ryugu is similar to…
Amino Acid Analyses of a Sample of Ryugu by a Combination of Liquid Chromatography and High-Resolution Mass Spectrometry Techniques
Parker E. T. * Furusho A. Glavin D. P. Hamase K. Naraoka H. et al. PDF LPSC 2022 abstract [#2651] “This abstract summarizes the amino acid analyses of the acid-hydrolyzed, hot water extract of the…
The Oxygen Isotopic Composition of Hayabusa2 Particles: Testing the Relationship with CI and CY Chondrites
Greenwood R. C. Findlay R. Franchi I. A. Malley J. A. Ito M. et al. PDF LPSC 2022 abstract [#2105] “High-precision oxygen isotope analysis of returned samples from asteroid Ryugu demonstrates a close affinity with…
Reflectance Spectral Comparison Between a Large Ryugu Returned Sample and Carbonaceous Chondrites
Amano K. * Matsuoka M. Nakamura T. Kagawa E. Hiroi T. et al. PDF LPSC 2022 abstract [#1789] “We measured reflectance spectra of the samples collected from asteroid Ryugu by Hayabusa2 and compared the results…
The Oxygen Isotopic Composition of Samples Returned from Asteroid Ryugu: Evidence for Similarity to CI Chondrites
Young E. D. * Tang H. Tafla L. Pack A. Di Rocco T. et al. PDF LPSC 2022 abstract [#1290] “Oxygen isotope analyses of samples returned from asteroid Ryugu resemble CI chondrites but differ in…
Multi-Isotopic Analyses of Bulk Ryugu Samples Returned by the Hayabusa2 Mission
Yokoyama T. * Hayabusa2-Initial-Analysis Chemistry Hayabusa2-Initial-Analysis Core PDF LPSC 2022 abstract [#1273] “We report preliminary results on the isotopic compositions of Ti, Cr, and Pb obtained from the Ryugu samples and some carbonaceous chondrites.”
Soluble Organic Compounds in Asteroid 162173 Ryugu
Naraoka H. * Takano Y. Dworkin J. P. Hayabusa2-Initial-Analysis SOM Team Hayabusa2-Initial-Analysis Core PDF LPSC 2022 abstract [#1781] “We report soluble organic compounds in the slovent-extract samples in the Ryugu grains collected by the Hayabusa2…
Macromolecular Organic Matter in C-Type Asteroid Ryugu
Yabuta H. * Cody G. D. Engrand C. Kebukawa Y. De Gregorio B. et al. PDF LPSC 2022 abstract [#2241] “The initial analysis results on macromolecular organic matter from the asteroid Ryugu samples are presented…
Isotopic Compositions of Noble Gases and Nitrogen in the Ryugu Samples Returned by Hayabusa2
Okazaki R. * Marty B. Busemann H. Hashizume K. Gilmour J. et al. PDF LPSC 2022 abstract [#1348] “We report the first results of measurements for isotopic ratios and concentrations of noble gases and nitrogen…
Mineralogy and Space Weathering of Fine Fraction Recovered from Asteroid (162173) Ryugu
Noguchi T. * Matsumoto T. Miyake A. Igami Y. Haruta M. et al. PDF LPSC 2022 abstract [#1747] “The grains recovered from Ryugu by the Hayabusa2 have mineralogy similar to that of CIs and show…
Early History of Ryugu’s Parent Asteroid: Evidence from Return Sample
Nakamura T. * Matsumoto M. Amano K. Enokido Y. Zolensky M. E. et al. PDF LPSC 2022 abstract [#1753] “Formation and evolution of Ryugu’s parent asteroid were estimated based on mineralogical and physical properties of…
Chemical and Isotopic Characterization of Asteroid Ryugu
Yurimoto H. * Hayabusa2-Initial-Analysis Chemistry Team Hayabusa2-Initial-Analysis Core PDF LPSC 2022 abstract [#1377] Returned samples from C-type asteroid Ryugu show strong similarities to CI (Ivuna-like) carbonaceous chondrites.”
The Asteroid 162173 Ryugu: a Cometary OriginOPEN ACCESS
Hitoshi Miura, Eizo Nakamura and Tak Kunihiro The Astrophysical Journal Letters, Volume 925, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Japanese Hayabusa2 mission has revealed in detail the physical characteristics of the C-type asteroid…
Resurfacing processes constrained by crater distribution on Ryugu
Naofumi Takaki, Yuichiro Cho, Tomokatsu Morota, Eri Tatsumi, Rie Honda, Shingo Kameda, Yasuhiro Yokota, Naoya Sakatani, Toru Kouyama, Masahiko Hayakawa, Moe Matsuoka, Manabu Yamada, Chikatoshi Honda, Hidehiko Suzuki, Kazuo Yoshioka, Kazunori Ogawa, Hirotaka Sawada, Patrick…
Polyaromatic Units Set the Albedo of Dark Extraterrestrial MaterialsOPEN ACCESS
Romain Maupin, Zahia Djouadi, Rosario Brunetto, Obadias Mivumbi, Christophe Sandt and Ferenc Borondics The Planetary Science Journal, Volume 3, Number 1, 20 January 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Primitive extraterrestrial materials are generally dark,…
Mid-infrared emissivity of partially dehydrated asteroid (162173) Ryugu shows strong signs of aqueous alterationOPEN ACCESS
M. Hamm, M. Grott, H. Senshu, J. Knollenberg, J. de Wiljes, V. E. Hamilton, F. Scholten, K. D. Matz, H. Bates, A. Maturilli, Y. Shimaki, N. Sakatani, W. Neumann, T. Okada, F. Preusker, S. Elgner,…
Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid RyuguOPEN ACCESS
Toru Yada, Masanao Abe, Tatsuaki Okada, Aiko Nakato, Kasumi Yogata, Akiko Miyazaki, Kentaro Hatakeda, Kazuya Kumagai, Masahiro Nishimura, Yuya Hitomi, Hiromichi Soejima, Miwa Yoshitake, Ayako Iwamae, Shizuho Furuya, Masayuki Uesugi, Yuzuru Karouji, Tomohiro Usui, Tasuku…
First compositional analysis of Ryugu samples by the MicrOmega hyperspectral microscopeOPEN ACCESS
C. Pilorget, T. Okada, V. Hamm, R. Brunetto, T. Yada, D. Loizeau, L. Riu, T. Usui, A. Moussi-Soffys, K. Hatakeda, A. Nakato, K. Yogata, M. Abe, A. Aléon-Toppani, J. Carter, M. Chaigneau, B. Crane, B….
MicrOmega/MASCOT first results
Jean-Pierre Bibring, Cédric Pilorget, Lucie Riu, Vincent Hamm, Rosario Brunetto, Tra-Mi Ho, Ralph Jaumann, Yves Langevin, Aurélie Moussi, François Poulet, Mathieu Vincendon, the MicrOmega/Mascot team Planetary and Space ScienceAvailable online 4 December 2021 LINK “Highlights…
YORP Effect on Asteroid 162173 Ryugu: Implications for the Dynamical History
M. Kanamaru, S. Sasaki, T. Morota, Y. Cho, E. Tatsumi, M. Hirabayashi, N. Hirata, H. Senshu, Y. Shimaki, N. Sakatani, S. Tanaka, T. Okada, T. Usui, S. Sugita, S. Watanabe JGR: PlanetsFirst Published: 11 November…
The Scientific Observation Campaign of the Hayabusa-2 Capsule Re-entryOPEN ACCESS
E. K. Sansom, H. A. R. Devillepoix, M.-Y. Yamamoto, S. Abe, S. Nozawa, M. C. Towner, M. Cupák, Y. Hiramatsu, T. Kawamura, K. Fujita, M. Yoshikawa, Y. Ishihara, I. Hamama, N. Segawa, Y. Kakinami, M….
Fine-regolith production on asteroids controlled by rock porosity
S. Cambioni, M. Delbo, G. Poggiali, C. Avdellidou, A. J. Ryan, J. D. P. Deshapriya, E. Asphaug, R.-L. Ballouz, M. A. Barucci, C. A. Bennett, W. F. Bottke, J. R. Brucato, K. N. Burke, E….
Development of a multispectral stereo-camera system comparable to Hayabusa2 Optical Navigation Camera (ONC-T) for observing samples returned from asteroid RyuguOPEN ACCESS
Yuichiro Cho, Koki Yumoto, Yuna Yabe, Shoki Mori, Jo A. Ogura, Toru Yada, Akiko Miyazaki, Kasumi Yogata, Kentaro Hatakeda, Masahiro Nishimura, Masanao Abe, Tomohiro Usui, Seiji Sugita PDF (OPEN ACCESS) “Hayabusa2 collected 5.4 g of…
The Reflectance Spectra of CV-CK Carbonaceous chondrites from the Near Infrared to the VisibleOPEN ACCESS
Safoura Tanbakouei, J.M. Trigo-Rodriquez, J. Llorca, C.E. Moyano-Cambero, I.P. Williams, A.S. Rivkin Accepted for publication in MNRAS on July 19th, 2021 PDF (OPEN ACCESS) LINK “Carbonaceous chondrite meteorites are so far the only available samples…
Ryugu’s observed volatile loss did not arise from impact heating aloneOPEN ACCESS
Kosuke Kurosawa, Ryota Moriwaki, Hikaru Yabuta, Ko Ishibashi, Goro Komatsu & Takafumi Matsui Communications Earth & Environment, Volume 2, Article number: 146 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous asteroids, including Ryugu and Bennu, which…
Geologic History and Crater Morphology of Asteroid (162173) Ryugu Crater morphology and chronology of asteroid Ryugu
Y. Cho, T. Morota, M. Kanamaru, N. Takaki, K. Yumoto, C. M. Ernst, M. Hirabayashi, O. S. Barnouin, E. Tatsumi, K. A. Otto, N. Schmitz, R. J. Wagner, R. Jaumann, H. Miyamoto, H. Kikuchi, R….
Spectral diversity of the inner belt primitive asteroid background population
Anicia Arredondo, Humberto Campins, Noemi Pinilla-Alonso, Julia de León, Vania Lorenzi, David Morate, Juan Luis Rizos, Mário De Prá IcarusIn Press, Journal Pre-proof, Available online 9 July 2021 LINK “Highlights • New NIR observations of…
Initial Descriptions of Asteroid Ryugu Samples Returned by Hayabusa2
Yada T., Abe M., Nakato A., Yogata K., Miyazaki A., Kumagai K., Hatakeda K., Okada T., Nishimura M., Furuya S., Yoshitake M., Iwamae A., Soejima H., Hitomi Y., Riu L., Lourit L., Pilorget C., Hamm…
Thermal Analysis and Constraints for the MASCOT Landing Site Selection on the Asteroid Ryugu
Barbara Cozzoni, Michael Maibaum, Maximilian Hamm Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 23 June 2021 LINK “Highlights • Application of Thermal Mathematical Models for landing site selection• Day-Night temperature is main criteria…
Hayabusa2 Operation for MASCOT Delivery to Ryugu Surface
Yuya Mimasu, Tatsuaki Okada, Yuto Takei, Takanao Saiki, Tra-Mi Ho, Aurelie Moussi, Yuichi Tsuda Planetary and Space ScienceAvailable online 24 June 2021 LINK “Highlights Hayabusa2 carries several rovers and one lander The lander, named MASCOT,…
Rotational states and shapes of Ryugu and Bennu: Implications for interior structure and strength
J.H. Roberts, O.S. Barnouin, M.G. Daly, K.J. Walsh, M.C. Nolan, R.T. Daly, P. Michel, Y. Zhang, M.E. Perry, G.A. Neumann, J.A. Seabrook, R.W. Gaskell, E.E. Palmer, J.R. Weirich, S. Watanabe, N. Hirata, Na. Hirata, S….
Anomalously porous boulders on (162173) Ryugu as primordial materials from its parent body
N. Sakatani, S. Tanaka, T. Okada, T. Fukuhara, L. Riu, S. Sugita, R. Honda, T. Morota, S. Kameda, Y. Yokota, E. Tatsumi, K. Yumoto, N. Hirata, A. Miura, T. Kouyama, H. Senshu, Y. Shimaki, T….
Resurfacing processes on asteroid (162173) Ryugu caused by an artificial impact of Hayabusa2’s Small Carry-on Impactor
Rie Honda, Masahiko Arakawa, Yuri Shimaki, Kei Shirai, Yasuhiro Yokota, Toshihiko Kadono, Koji Wada, Kazunori Ogawa, Ko Ishibashi, Naoya Sakatani, Satoru Nakazawa, Minami Yasui, Tomokatsu Morota, Shingo Kameda, Eri Tatsumi, Manabu Yamada, Toru Kouyama, Yuichiro…
Ejecta distribution from impact craters on Ryugu: Possible origin of the bluer units
Naoyuki Hirata, Ren Ikeya IcarusIn Press, Journal Pre-proof, Available online 15 April 2021 LINK “Highlights • We calculated the distribution of ejecta blankets from actual craters on Ryugu.• Ejecta emplacement could explain the bluish color…
Hayabusa2 Extended Mission: New Voyage to Rendezvous with a Small Asteroid Rotating with a Short PeriodOPEN ACCESS
M. Hirabayashi, Y. Mimasu, N. Sakatani, S. Watanabe, Y. Tsuda, T. Saiki, S. Kikuchi, T. Kouyama, M. Yoshikawa, S. Tanaka, S. Nakazawa, Y. Takei, F. Terui, H. Takeuchi, A. Fujii, T. Iwata, K. Tsumura, S….
Handling and Description of C-Type Asteroid Ryugu Samples Returned by Hayabusa2
T. Yada, Abe M., Nakato A., Yogata K., Miyazaki A. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2008 PDF “Hayabusa2 returned samples from C-type asteroid Ryugu last December. >5 grams of black…
Clast Populations Within the CM2.2 Brecciated Carbonaceaous Chondrite Aguas Zarcas: Implications for Understanding Aqueous Alteration on Ryugu
Clast Populations Within the CM2.2 Brecciated Carbonaceaous Chondrite Aguas Zarcas: Implications for Understanding Aqueous Alteration on Ryugu P. M. C. Martin, Lee M. R. 52nd Lunar and Planetary Science Conference (2021), Abstract #2068 “Petrological characterization…
The polymict carbonaceous breccia Aguas Zarcas: A potential analog to samples being returned by the OSIRIS‐REx and Hayabusa2 missionsOPEN ACCESS
Imene Kerraouch, Addi Bischoff, Michael E. Zolensky, Andreas Pack, Markus Patzek, Romy D. Hanna, Marc D. Fries, Dennis Harries, Yoko Kebukawa, Loan LeMotoo, ItoZia Rahman Meteoritics & Planetary ScienceFirst Published: 2 February 2021 LINK (OPEN…
Implications of High Polarization Degree for the Surface State of RyuguOPEN ACCESS
Daisuke Kuroda, Jooyeon Geem, Hiroshi Akitaya, Sunho Jin, Jun Takahashi, Koki Takahashi, Hiroyuki Naito, Kana Makino, Tomohiko Sekiguchi, Yoonsoo P. Bach, Jinguk Seo, Shuji Sato, Hiroshi Sasago, Koji S. Kawabata, Aoi Kawakami, Miyako Tozuka, Makoto…
CM carbonaceous chondrite falls and their terrestrial alterationOPEN ACCESS
Martin R. Lee, Luke Daly, Cameron Floyd, Pierre‐Etienne Martin Meteoritics & Planetary ScienceVersion of Record online: 18 January 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The CM carbonaceous chondrites provide unique insights into the composition of…
Thermally altered subsurface material of asteroid (162173) Ryugu
K. Kitazato, R. E. Milliken, T. Iwata, M. Abe, M. Ohtake, S. Matsuura, Y. Takagi, T. Nakamura, T. Hiroi, M. Matsuoka, L. Riu, Y. Nakauchi, K. Tsumura, T. Arai, H. Senshu, N. Hirata, M. A….
Spectral analysis of craters on (101955) Bennu
J.D.P. Deshapriya, M.A. Barucci, E.B. Bierhaus, S. Fornasier, P.H. Hasselmann, F. Merlin, B.E. Clark, A. Praet, M. Fulchignoni, A.A. Simon, Victoria E. Hamilton, E.A. Cloutis, C. Lantz, X.D. Zou, J.-Y. Li, D.C. Reuter, J.R. Brucato,…
Spectral characterization of the craters of Ryugu as observed by the NIRS3 instrument on-board Hayabusa2
L. Riu, C. Pilorget, R. Milliken, K. Kitazato, T. Nakamura, Y. Cho, M. Matsuoka, S. Sugita, M. Abe, S. Matsuura, M. Ohtake, S. Kameda, N. Sakatani, E. Tatsumi, Y. Yokota, T. Iwata IcarusIn Press, Journal…
Spectrophotometric analysis of the Ryugu rock seen by MASCOT: Searching for a carbonaceous chondrite analogOPEN ACCESS
Stefan Schröder, Katharina Otto, Hannah Scharf, Klaus-Dieter Matz, Nicole Schmitz, Frank Scholten, Stefano Mottola, Frank Trauthan, Alexander Koncz, Harald Michaelis, Ralf Jaumann, Tra-Mi Ho, Hikaru Yabuta, Seiji Sugita Submitted to Planetary Science Journal PDF (OPEN…
Microporosity and parent body of the rubble-pile NEA (162173) Ryugu
Wladimir Neumann, Matthias Grott, Mario Trieloff, Ralf Jaumann, Jens Biele, Maximilian Hamm, Ekkehard Kührt IcarusIn press, journal pre-proof, Available online 24 October 2020 LINK “Highlights • We investigate the porosity for ice-rich planetesimals of the…
Global-scale albedo and spectro-photometric properties of Ryugu from NIRS3/Hayabusa2, implications for the composition of Ryugu and the representativity of the returned samples
C. Pilorget, J. Fernando, L. Riu, K. Kitazato, T. Iwata IcarusIn Press, Journal Pre-proof, Available online 29 September 2020 LINK “Highlights • We use a Bayesian approach to derive the photometric parameters from NIRS3 data.•…
Impact Experiment on Asteroid (162173) Ryugu: Structure beneath the Impact Point Revealed by In Situ Observations of the Ejecta Curtain
Toshihiko Kadono, Masahiko Arakawa, Rie Honda, Ko Ishibashi, Kazunori Ogawa, Naoya Sakatani, Hirotaka Sawada, Yuri Shimaki, Kei Shirai, Seiji Sugita, and Koji Wada The Astrophysical Journal Letters, Volume 899, Number 1 LINK “An impact experiment…
Small Bodies Tell the Story of the Solar System: A Scientific Rationale for a Multi-Target Small Body Sample Return Program including the Earth-based Laboratory Analysis of Returned SamplesOPEN ACCESS
Seth A. Jacobson, Maitrayee Bose, Dennis Bodewits, Marc Fries, Devanshu Jha, Prajkta Mane, Larry Nittler, Scott Sandford, Michelle Thompson A White Paper submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032 PDF (OPEN ACCESS)…
Global photometric properties of (162173) RyuguOPEN ACCESS
E. Tatsumi, D. Domingue, S. Schröder, Y. Yokota, D. Kuroda, M. Ishiguro, S. Hasegawa, T. Hiroi, R. Honda, R. Hemmi, L. Le Corre, N. Sakatani, T. Morota, M. Yamada, S. Kameda, T. Koyama, H. Suzuki,…
Chemical assessment of the explosive chamber in the projector system of Hayabusa2 for asteroid samplingOPEN ACCESS
Yoshinori Takano, Keita Yamada, Chisato Okamoto, Hirotaka Sawada, Ryuji Okazaki, Kanako Sakamoto, Yoko Kebukawa, Kento Kiryu, Takazo Shibuya, Motoko Igisu, Hajime Yano, Shogo Tachibana & Hayabusa2 project team Earth, Planets and Space volume 72, Article…
The Albedo of Ryugu: Evidence for a High Organic Abundance, as Inferred from the Hayabusa2 Touchdown ManeuverOPEN ACCESS
Christian Potiszil, Ryoji Tanaka, Katsura Kobayashi, Tak Kunihiro, Eizo Nakamura Astrobiology, Vol. 20, No. 7Hypothesis ArticlePublished Online:8 Jul 2020 LINK (OPEN ACCESS) “The Hayabusa2 mission successfully collected samples from the asteroid Ryugu last year and…
Combining IR and X‐ray microtomography data sets: Application to Itokawa particles and to Paris meteorite
Zelia Dionnet, Rosario Brunetto, Alice Aléon‐Toppani, Stefano Rubino, Donia Baklouti, Ferenc Borondics, Anne‐Cécile Buellet, Zahia Djouadi, Andrew King, Tomoki Nakamura, Alessandra Rotundi, Christophe Sandt, David Troadec, Akira Tsuchiyama Meteoritics & Planetary ScienceVersion of Record online:30…
Advances in Cosmochemistry Enabled by Antarctic MeteoritesOPEN ACCESS
Meenakshi Wadhwa, Timothy J. McCoy, and Devin L. Schrader Annual Review of Earth and Planetary Sciences Vol. 48:233-258 (Volume publication date May 2020)First published as a Review in Advance on January 8, 2020 LINK (OPEN…
Collisional formation of top-shaped asteroids and implications for the origins of Ryugu and BennuOPEN ACCESS
P. Michel, R.-L. Ballouz, O. S. Barnouin, M. Jutzi, K. J. Walsh, B. H. May, C. Manzoni, D. C. Richardson, S. R. Schwartz, S. Sugita, S. Watanabe, H. Miyamoto, M. Hirabayashi, W. F. Bottke, H….
Classification of CM chondrite breccias—Implications for the evaluation of samples from the OSIRIS‐REx and Hayabusa 2 missionsOPEN ACCESS
Sarah Lentfort, Addi Bischoff, Samuel Ebert, Markus Patzek Meteoritics & Planetary ScienceVersion of Record online: 25 May 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “CM chondrites are complex impact (mostly regolith) breccias, in which lithic clasts…
Concerns of Organic Contamination for Sample Return Space MissionsOPEN ACCESS
Queenie Hoi Shan Chan, Rhonda Stroud, Zita Martins & Hikaru Yabuta Space Science Reviews volume 216, Article number: 56 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Analysis of organic matter has been one of the major…
Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution
T. Morota, S. Sugita, Y. Cho, M. Kanamaru, E. Tatsumi, N. Sakatani, R. Honda, N. Hirata, H. Kikuchi, M. Yamada, Y. Yokota, S. Kameda, M. Matsuoka, H. Sawada, C. Honda, T. Kouyama, K. Ogawa, H….
Concepts of the Small Body Sample Return Missions – the 1st 10 Million Year Evolution of the Solar System
Yangting Lin, Yonghe Zhang, Sen Hu, Yuchen Xu, Weijia Zhou, Shijie Li, Wei Yang, Yang Gao, Mingtao Li, Qingzhu Yin, Douglas Lin & Wing Ip Space Science Reviews, Volume 216, Article number: 45 (2020)Published: 20…
Linking mineralogy and spectroscopy of highly aqueously altered CM and CI carbonaceous chondrites in preparation for primitive asteroid sample returnOPEN ACCESS
H. C. Bates, A. J. King, K. L. Donaldson Hanna, N. E. Bowles, S. S. Russell Meteoritics & Planetary Science First Published: 19 November 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The highly hydrated, petrologic…
Advanced Curation of Astromaterials for Planetary ScienceOPEN ACCESS
Francis M. McCubbin, Christopher D. K. Herd, Toru Yada, Aurore Hutzler, Michael J. Calaway, Judith H. Allton, Cari M. Corrigan, Marc D. Fries, Andrea D. Harrington, Timothy J. McCoy, Julie L. Mitchell, Aaron B. Regberg,…
Space weathering induced formation of hydrogen sulfide (H2S) and hydrogen disulfide (H2S2) in the Murchison meteorite
Cheng Zhu, Sándor Góbi, Matthew J. Abplanalp, Robert Frigge, Jeffrey J. Gillis‐Davis, Ralf I. Kaiser JGR Planets First published: 21 October 2019 LINK “Theoretical calculations and experimental simulations indicate that the surprisingly low sulfur abundance…
Images from the surface of asteroid Ryugu show rocks similar to carbonaceous chondrite meteorites
R. Jaumann, N. Schmitz, T.-M. Ho, S. E. Schröder, K. A. Otto, K. Stephan, S. Elgner, K. Krohn, F. Preusker, F. Scholten, J. Biele, S. Ulamec, C. Krause, S. Sugita, K.-D. Matz, T. Roatsch, R….
Low thermal conductivity boulder with high porosity identified on C-type asteroid (162173) Ryugu
M. Grott, J. Knollenberg, M. Hamm, K. Ogawa, R. Jaumann, K. A. Otto, M. Delbo, P. Michel, J. Biele, W. Neumann, M. Knapmeyer, E. Kührt, H. Senshu, T. Okada, J. Helbert, A. Maturilli, N. Müller,…
Using Dust Shed from Asteroids as Microsamples to Link Remote Measurements with Meteorite ClassesOPEN ACCESS
Barbara A. Cohen, Jamey R. Szalay, Andrew S. Rivkin, Jacob A. Richardson, Rachel E. Klima, Carolyn M. Ernst, Nancy L. Chabot, Zoltan Sternovsky, Mihaly Horányi Accepted for publication in Meteoritics and Planetary Science, May 30,…
The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes
S. Sugita, R. Honda, T. Morota, S. Kameda, H. Sawada, E. Tatsumi, M. Yamada, C. Honda, Y. Yokota, T. Kouyama, N. Sakatani, K. Ogawa, H. Suzuki, T. Okada, N. Namiki, S. Tanaka, Y. Iijima, K….
The surface composition of asteroid 162173 Ryugu from Hayabusa2 near-infrared spectroscopy
K. Kitazato, R. E. Milliken, T. Iwata, M. Abe, M. Ohtake, S. Matsuura, T. Arai, Y. Nakauchi, T. Nakamura, M. Matsuoka, H. Senshu8 N. Hirata, T. Hiroi, C. Pilorget, R. Brunetto, F. Poulet, L. Riu,…
UV to FIR Reflectance Spectroscopy of Fresh Carbonaceous Chondrite, Mukundpura Meteorite: A Potential Analogue to JAXA Hayabusa 2’s Target Ryugu
I. Varatharajan, A. Maturilli, B. Sivaraman, J. Helbert, J. K. Meka, S. Vijayan, A. Bhardwaj, K. Otto 50th Lunar and Planetary Science Conference (2019), Abstract #2247 PDF abstract
The alteration history of the Jbilet Winselwan CM carbonaceous chondrite: An analog for C‐type asteroid sample returnOPEN ACCESS
A. J. King, S. S. Russell, P. F. Schofield, E. R. Humphreys‐Williams, S. Strekopytov, F. A. J. Abernethy, A. B. Verchovsky, M. M. Grady Meteorit Planet Sci. doi:10.1111/maps.13224 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Jbilet…
Hyperspectral FTIR imaging of irradiated carbonaceous meteorites
R. Brunetto, C. Lantz, Z. Dionnet, F. Borondics, A. Aléon-Toppani, D. Baklouti, M.A. Barucci, R.P. Binzel, Z. Djouadi, K. Kitazato, C. Pilorget Planetary and Space Science Available online 8 May 2018 LINK “Highlights • We…
Spectral reflectance “deconstruction” of the Murchison CM2 carbonaceous chondrite and implications for spectroscopic investigations of dark asteroids
Edward A. Cloutis, Valerie B. Pietrasz, Cain Kiddell, Matthew R.M. Izawa, Pierre Vernazza, Thomas H. Burbine, Francesca DeMeo, Kimberly T. Tait, James F. Bell III, Paul Mann, Daniel M. Applin, Vishnu Reddy Icarus, Volume 305,…
Ground-based Characterization of Hayabusa2 Mission Target Asteroid 162173 Ryugu: Constraining Mineralogical Composition in Preparation for Spacecraft OperationsOPEN ACCESS
Lucille Le Corre, Juan A. Sanchez, Vishnu Reddy, Driss Takir, Edward A. Cloutis, Audrey Thirouin, Kris J. Becker, Jian-Yang Li, Seiji Sugita, Eri Tatsumi PDF (OPEN ACCESS) “Asteroids that are targets of spacecraft missions are…
An evaluation method of reflectance spectra to be obtained by Hayabusa2 Near-Infrared Spectrometer (NIRS3) based on laboratory measurements of carbonaceous chondritesOPEN ACCESS
Moe Matsuoka, Tomoki Nakamura, Takahito Osawa, Takahiro Iwata, Kohei Kitazato, Masanao Abe, Yusuke Nakauchi, Takehiko Arai, Mutsumi Komatsu, Takahiro Hiroi, Naoya Imae, Akira Yamaguchi, Hideyasu Kojima Earth, Planets and Space December 2017, 69:120 First Online:04…
Ion irradiation of carbonaceous chondrites: a new view of space weathering on primitive asteroids
C. Lantz, R. Brunetto, M.A. Barucci, S. Fornasier, D. Baklouti, J. Bourçois, M. Godard Icarus In Press, Accepted Manuscript, Available online 16 December 2016 LINK “Highlights • New ion irradiations on several carbonaceous chondrites to…
Characterising the CI and CI-like carbonaceous chondrites using thermogravimetric analysis and infrared spectroscopy
Ashley King, Jake Solomon, Paul Schofield, Sara Russell Earth, Planets and Space 2015, 67:198 (9 December 2015) doi:10.1186/s40623-015-0370-4 LINK (open access) “The CI and CI-like chondrites provide a record of aqueous alteration in the early…
