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Relevant bibliographies by topics / Asteroid Ryugu

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Academic literature on the topic 'Asteroid Ryugu'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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Journal articles on the topic "Asteroid Ryugu"

1

Ota, Tsutomu, Christian Potiszil, Katsura Kobayashi, et al. "The Formation of a Rubble Pile Asteroid: Insights from the Asteroid Ryugu." Universe 9, no. 6 (2023): 293. http://dx.doi.org/10.3390/universe9060293.

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The Hayabusa2 mission returned primitive samples from the C-type asteroid Ryugu to Earth. The C-type asteroids hold clues to the origin of Earth’s water and the building blocks of life. The rubble pile structure of C-type asteroids is a crucial physical feature relating to their origin and evolution. A rubble pile asteroid is hypothesized to be bound primarily by self-gravity with a significant void space among irregularly shaped materials after catastrophic impacts between larger asteroids. However, the geological observations from Hayabusa2 and the analyses of the returned sample from Ryugu

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Miura, Hitoshi, Eizo Nakamura, and Tak Kunihiro. "The Asteroid 162173 Ryugu: a Cometary Origin." Astrophysical Journal Letters 925, no. 2 (2022): L15. http://dx.doi.org/10.3847/2041-8213/ac4bd5.

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Abstract The Japanese Hayabusa2 mission has revealed in detail the physical characteristics of the C-type asteroid 162173 Ryugu, in particular, its spinning top-shaped rubble-pile structure and potentially high organic content. A widely accepted formation scenario for Ryugu is catastrophic collision between larger asteroids and the subsequent slow gravitational accumulation of collisional debris. An alternative scenario is that Ryugu is an extinct comet that lost its icy components. Here, we numerically simulated the sublimation of water ice from a porous cometary nucleus until the refractory

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3

Brunetto, R., C. Lantz, Y. Fukuda, et al. "Ryugu’s Anhydrous Ingredients and Their Spectral Link to Primitive Dust from the Outer Solar System." Astrophysical Journal Letters 951, no. 2 (2023): L33. http://dx.doi.org/10.3847/2041-8213/acdf5c.

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Abstract Ryugu is a second-generation C-type asteroid formed by the reassembly of fragments of a previous larger body in the main asteroid belt. While the majority of Ryugu samples returned by Hayabusa2 are composed of a lithology dominated by aqueously altered minerals, clasts of pristine olivine and pyroxene remain in the least-altered lithologies. These clasts are objects of great interest for revealing the composition of the dust from which the original building blocks of Ryugu's parent asteroid formed. Here we show that some grains rich in olivine, pyroxene, and amorphous silicates discov

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4

Yada, Toru, Masanao Abe, Tatsuaki Okada, et al. "Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu." Nature Astronomy 6, no. 2 (2021): 214–20. http://dx.doi.org/10.1038/s41550-021-01550-6.

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AbstractC-type asteroids1 are considered to be primitive small Solar System bodies enriched in water and organics, providing clues to the origin and evolution of the Solar System and the building blocks of life. C-type asteroid 162173 Ryugu has been characterized by remote sensing2–7 and on-asteroid measurements8,9 with Hayabusa2 (ref. 10). However, the ground truth provided by laboratory analysis of returned samples is invaluable to determine the fine properties of asteroids and other planetary bodies. We report preliminary results of analyses on returned samples from Ryugu of the particle si

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Herd, Christopher D. K. "Analyzing asteroid Ryugu." Science 379, no. 6634 (2023): 784–85. http://dx.doi.org/10.1126/science.ade4188.

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Tachibana, Shogo, and Nami Sakai. "Asteroidal Organics from the Sample Return Mission Hayabusa2 and their Implication for Understanding our Origins." Elements 20, no. 1 (2024): 31–37. http://dx.doi.org/10.2138/gselements.20.1.31.

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The C-type asteroid Ryugu samples returned by the Hayabusa2 spacecraft are the chemically most pristine material in the Solar System, as they have not been exposed to terrestrial environments. The organic matter in Ryugu records the molecular evolution from the Sun’s parent molecular cloud chemistry to asteroidal aqueous alteration. In this article, we review the results of Ryugu sample analysis and discuss the evolution of organic matter in the early Solar System by comparing these results with recent radio and infrared observations of protostars and protoplanetary disks.

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Barosch, Jens, Larry R. Nittler, Jianhua Wang, et al. "Presolar Stardust in Asteroid Ryugu." Astrophysical Journal Letters 935, no. 1 (2022): L3. http://dx.doi.org/10.3847/2041-8213/ac83bd.

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Abstract We have conducted a NanoSIMS-based search for presolar material in samples recently returned from C-type asteroid Ryugu as part of JAXA's Hayabusa2 mission. We report the detection of all major presolar grain types with O- and C-anomalous isotopic compositions typically identified in carbonaceous chondrite meteorites: 1 silicate, 1 oxide, 1 O-anomalous supernova grain of ambiguous phase, 38 SiC, and 16 carbonaceous grains. At least two of the carbonaceous grains are presolar graphites, whereas several grains with moderate C isotopic anomalies are probably organics. The presolar silica

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Bizzarro, Martin, Martin Schiller, Tetsuya Yokoyama, et al. "The Magnesium Isotope Composition of Samples Returned from Asteroid Ryugu." Astrophysical Journal Letters 958, no. 2 (2023): L25. http://dx.doi.org/10.3847/2041-8213/ad09d9.

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Abstract The nucleosynthetic isotope composition of planetary materials provides a record of the heterogeneous distribution of stardust within the early solar system. In 2020 December, the Japan Aerospace Exploration Agency Hayabusa2 spacecraft returned to Earth the first samples of a primitive asteroid, namely, the Cb-type asteroid Ryugu. This provides a unique opportunity to explore the kinship between primitive asteroids and carbonaceous chondrites. We report high-precision μ 26Mg* and μ 25Mg values of Ryugu samples together with those of CI, CM, CV, and ungrouped carbonaceous chondrites. T

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Tanaka, Ryoji, Dilan M. Ratnayake, Tsutomu Ota, et al. "Unraveling the Cr Isotopes of Ryugu: An Accurate Aqueous Alteration Age and the Least Thermally Processed Solar System Material." Astrophysical Journal 965, no. 1 (2024): 52. http://dx.doi.org/10.3847/1538-4357/ad276a.

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Abstract The analysis of samples returned from the C-type asteroid Ryugu has drastically advanced our knowledge of the evolution of early solar system materials. However, no consensus has been obtained on the chronological data, which is important for understanding the evolution of the asteroid Ryugu. Here, the aqueous alteration age of Ryugu particles was determined by the Mn–Cr method using bulk samples, yielding an age of 4.13 + 0.62/−0.55 Myr after the formation of Ca–Al-rich inclusions (CAI). The age corresponds to 4563.17 + 0.60/−0.67 Myr ago. The higher 55Mn/52Cr, ε 54Cr, and initial ε

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Praet, A., M. A. Barucci, P. H. Hasselmann, et al. "Hydrogen abundance estimation model and application to (162173) Ryugu." Astronomy & Astrophysics 649 (May 2021): L16. http://dx.doi.org/10.1051/0004-6361/202140900.

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Context. The JAXA asteroid sample return mission Hayabusa2 acquired a huge quantity of data from the asteroid (162173) Ryugu during its 1.5 years in asteroid proximity orbit. On December 5, 2020 (Japan time), Hayabusa brought back to Earth a 5.4 g sample from Ryugu’s surface. Aims. We analyzed the near-infrared spectra of Ryugu, in particular the band at 2.72 μm, with the aim to investigate the hydrogen content of the H2O and OH− groups in hydrated phyllosilicates on Ryugu’s surface. Aims. We applied two different methods, normalized optical path length (NOPL) and effective single-particle abs

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Dissertations / Theses on the topic "Asteroid Ryugu"

1

Hamm, Maximilian [Verfasser]. "Modeling and Interpretation of In-Situ Radiometric Flux Measurements on the Surface of Asteroid (162173) Ryugu / Maximilian Hamm." Berlin : Freie Universität Berlin, 2019. http://d-nb.info/1202041051/34.

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Le, Pivert-Jolivet Tania. "Composition, origine et évolution de Ryugu à travers les analyses de MicrOmega/Curation." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASP192.

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Les astéroïdes primitifs sont des petits corps qui ont relativement peu évolué depuis leur formation. Ils nous renseignent sur la composition chimique du système solaire primitif et son évolution jusqu’à aujourd’hui. Avant les années 2020, les seuls potentiels analogues de ces objets dont nous disposions pour des analyses en laboratoire étaient les chondrites carbonées (CCs). Mais le lien entre les CCs et leurs corps parents astéroïdaux n'est pas encore clair, et la composition primitive des CCs est partiellement altérée par l’interaction avec l’atmosphère terrestre. C’est pourquoi dans les an

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Books on the topic "Asteroid Ryugu"

1

Russell, C. T., and Ayako Matsuoka. Hayabusa2: Revealing the Evolution of C-Type Asteroid Ryugu. Springer, 2019.

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Russell, C. T., and Ayako Matsuoka. Hayabusa2: Revealing the Evolution of C-Type Asteroid Ryugu. Springer, 2018.

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Book chapters on the topic "Asteroid Ryugu"

1

Levasseur-Regourd, Anny-Chantal. "Ryugu Asteroid." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_5563.

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Levasseur-Regourd, Anny-Chantal. "Ryugu Asteroid." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-642-27833-4_5563-1.

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3

Tachibana, Shogo. "Mineralogy of Returned Sample from C-Type Near-Earth Asteroid (162173) Ryugu." In Celebrating the International Year of Mineralogy. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-28805-0_11.

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Okada, Tatsuaki, Tetsuya Fukuhara, Satoshi Tanaka, et al. "Thermal Infrared Imaging Experiments of C-Type Asteroid 162173 Ryugu on Hayabusa2." In Hayabusa2. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-024-1538-4_15.

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Matsuoka, A., and C. T. Russell. "Editorial to Topical Volume on: Hayabusa2: Revealing the Evolution of C-Type Asteroid Ryugu." In Hayabusa2. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1538-4_1.

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Takita, Jun, Hiroki Senshu, and Satoshi Tanaka. "Feasibility and Accuracy of Thermophysical Estimation of Asteroid 162173 Ryugu (1999 JU3) from the Hayabusa2 Thermal Infrared Imager." In Hayabusa2. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1538-4_16.

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7

Okazaki, Ryuji, Hirotaka Sawada, Shinji Yamanouchi, et al. "Hayabusa2 Sample Catcher and Container: Metal-Seal System for Vacuum Encapsulation of Returned Samples with Volatiles and Organic Compounds Recovered from C-Type Asteroid Ryugu." In Hayabusa2. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-024-1538-4_8.

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Ishibashi, K., K. Shirai, K. Ogawa, et al. "Performance of Hayabusa2 DCAM3-D Camera for Short-Range Imaging of SCI and Ejecta Curtain Generated from the Artificial Impact Crater Formed on Asteroid 162137 Ryugu (1999 JU3$\mbox{JU}_{3}$)." In Hayabusa2. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-024-1538-4_13.

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Ono, Go, Naoko Ogawa, Hiroshi Takeuchi, et al. "Controlled descent of Hayabusa2 to Ryugu." In Hayabusa2 Asteroid Sample Return Mission. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-99731-7.00009-x.

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Yoshikawa, Kent, Hirotaka Sawada, Shota Kikuchi, et al. "Touchdown and sampling from asteroid Ryugu." In Hayabusa2 Asteroid Sample Return Mission. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-99731-7.00018-0.

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Conference papers on the topic "Asteroid Ryugu"

1

Barosch, Jens, and Larry Nittler. "Presolar Grains in Asteroid Ryugu." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.11490.

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2

Okada, T. "Thermography of Asteroid Ryugu by Hayabusa2." In 2019 Quantitative InfraRed Thermographapy Asia. QIRT Council, 2019. http://dx.doi.org/10.21611/qirt.2019.008.

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3

Yurimoto, Hisayoshi, Tomoki Nakamura, Takaaki Noguchi, et al. "Geochemistry and Cosmochemistry of Asteroid Ryugu Samples." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.10715.

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4

Nittler, Larry, Jens Barosch, Bradley De Gregorio, and Rhonda Stroud. "Nanosims Analysis of Organic Matter in Asteroid Ryugu." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.11112.

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Yokota, Yusaku, Masahiko Arakawa, Minami Yasui, Kei Shirai, and Sunao Hasegawa. "Effects of Surface Topography on the Crater Formation Process of Rubble-Pile Asteroids." In 2024 17th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/hvis2024-024.

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Abstract Introduction Hayabusa2, the Japanese asteroid exploration mission, conducted an impact experiment on the surface of asteroid Ryugu to create an artificial crater. An observed crater measuring 14 m in size, filled with boulders, formed in the gravity-dominated regime, even in the microgravity environment of ~10-5 G on Ryugu [1]. The study revealed that the artificial crater’s size was well reproduced by the crater size-scaling law for dry sand, suggesting that dry sand can simulate the surface of small rubble-pile bodies rich in boulders in terms of the crater formation process. NASA’s

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Graninger, Dawn, Angela M. Stickle, J. Michael Owen, and Megan Syal. "Simulating Hypervelocity Impacts into Rubble Pile Structuresfor Planetary Defense." In 2022 16th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/hvis2022-19.

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The Double Asteroid Redirection Test (DART) Mission, NASA’s first planetary defense mission, will be the first fullscale test of a kinetic impactor. In this test, DART will impact into Dimorphos, the secondary of the binary asteroid Didymos, and change its orbit around the primary (Cheng et al. 2018, Rivkin et al. 2021). In preparation for the late September 2022 impact, it is necessary to understand how different aspects of asteroid properties can affect the outcome of the DART impact and quantify those effects. The asteroid rendezvous missions, Hayabusa, Hayabusa2, and Osiris-REx, have given

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Hu, Michael, Barbara Lavina, Ercan Alp, et al. "Elastic and thermodynamic properties of asteroid Ryugu return samples." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.9527.

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8

Yap, Teng ee, William Herbst, and James P. Greenwood. "ASTEROID MACROPOROSITY AS A CONSTRAINT ON METEORITIC ANALOGS: MODELING RYUGU." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-356181.

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Fehr, Manuela, Maria Schönbächler, and Tetsuya Yokoyama. "Zirconium isotope composition of samples returned from the asteroid Ryugu." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.18093.

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Stroud, Rhonda, Bradley De Gregorio, Larry Nittler, et al. "Electron Microscopy of Organic Matter in Returned Samples from Asteroid Ryugu." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.11600.

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