Results 31 to 40 of about 938 (163)
AIAA SciTech Forum 2022
, 2022 This paper describes the preliminary analysis of Hayabusa2 capsule reentry data obtained from two spectrometers ('Hyper-Mono-1' and 'Hyper-IR-1') onboard the Australian Airborne Reentry Observation Mission.Zander, Fabian, Noller, Lachlan, Buttsworth, David, Birch, Byrenn, Payne, Allan +4 morecore +1 more sourceApatite in Bennu samples indicates multiple stages of aqueous alteration
Meteoritics &Planetary Science, Volume 61, Issue 3, Page 504-521, March 2026.Abstract
Calcium phosphates are ubiquitous in planetary materials, including samples returned from asteroid Bennu by the OSIRIS‐REx mission. We characterized apatite [Ca5(PO4)3(F,Cl,OH)] grains in Bennu samples by scanning electron microscopy, electron microprobe analysis, and transmission electron microscopy to investigate their compositions, mineral ...Laura B. Seifert, T. M. Erickson, L. P. Keller, J. J. Barnes, K. Thomas‐Keprta, L. Le, J. Gorce, Z. Rahman, T. J. Zega, H. C. Connolly Jr, D. S. Lauretta +10 morewiley +1 more sourceCharacteristics of Natural Remanence Records in Fine‐Grained Particles Returned From Asteroid Ryugu
Journal of Geophysical Research: Planets, Volume 131, Issue 2, February 2026.Abstract
Particles collected from the asteroid Ryugu by the Hayabusa2 spacecraft offer a unique opportunity to investigate the magnetic record of the primitive solar system, as any terrestrial magnetic contamination is minimal and can be accounted for.Masahiko Sato, Yuki Kimura, Tadahiro Hatakeyama, Tomoki Nakamura, Satoshi Okuzumi, Sei‐ichiro Watanabe, Seiji Sugita, Satoshi Tanaka, Shogo Tachibana, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto Yoshikawa, Takanao Saiki, Fuyuto Terui, Satoru Nakazawa, Yuichi Tsuda +27 morewiley +1 more sourceSpectral Characteristics of Asteroid (162173) Ryugu with Hayabusa2 NIRS3
, 2019 International audienceWe report recent results of the surface composition of asteroid 162173 Ryugu from Hayabusa2 near-infrared spectroscopy Matsumoto, K., Ohtake, M., Matsuura, S., Tanaka, S., Milliken, R. E., Iwata, T., Hirata, N., Takir, D., Yamada, M., Kameda, S., Pilorget, C., Galiano, A., Arai, T., Tsumura, K., Cho, Y., Tatsumi, E., Senshu, H., Suzuki, H., Watanabe, S., Riu, L., Terui, F., Honda, R., Perna, D., Takagi, Y., Yamamoto, Y., Kitazato, K., Sawada, H., Nakazawa, S., Poulet, F., Takei, Y., Hiroi, T., Morota, T., Matsuoka, M., Ogawa, K., Saiki, T., Osawa, T., Nakauchi, Y., Komatsu, M., Yoshioka, K., Yamaguchi, A., Domingue, D. L., Shirai, K., Yoshikawa, M., Ogawa, N., Yamaguchi, T., Abe, M., Brunetto, R., Nakato, A., Kouyama, T., Vilas, F., Palomba, E., Hayakawa, M., Bibring, J.-P., Yokota, Y., Shimaki, Y., Takato, N., Sakatani, N., Matsunaga, T., Okada, T., Tsuda, Y., Nakamura, T., Sugita, S., Barucci, M. A., Honda, C. +63 morecore +1 more sourceThe deep-space multi-object orbit determination system and its application to Hayabusa2’s asteroid proximity operations [PDF]
, 2020 The deep-space multi-object orbit determination system (DMOODS) and its application in the asteroid proximity operation of the Hayabusa2 mission are described.Saiki, Takanao, Oki, Yusuke, Kameda, Shingo, Soldini, Stefania, Ogawa, Naoko, Takeuchi, Hiroshi, Terui, Fuyuto, Kikuchi, Shota, Ikeda, Hitoshi, Takei, Yuto, Kouyama, Toru, Yamada, Manabu, Tsuda, Yuichi, Yoshikawa, Kent, Sakatani, Naoya, Mimasu, Yuya, Ono, Go +16 morecore +1 more sourceJAXA curation for Bennu samples returned by the NASA's OSIRIS‐REx mission
Meteoritics &Planetary Science, Volume 61, Issue 1, Page 182-207, January 2026.Abstract
NASA's OSIRIS‐REx mission successfully collected and returned ~121.6 g of bulk samples from the B‐type, near‐Earth asteroid (101955) Bennu to Earth in September 2023. Upon returning to Earth, the samples were transported to the NASA Johnson Space Center where most of the samples have been stored and processed.Rui Tahara, Kentaro Hatakeda, Masahiro Nishimura, Kasumi Yogata, Ryota Fukai, Akiko Miyazaki, Toru Yada, Yuma Enokido, Masanao Abe, Seiya Kawasaki, Ryosuke Sakurai, Tatsuaki Okada, Cedric Pilorget, Jean‐Pierre Bibring, Vincent Hamm, Lionel Lourit, Damien Loizeau, Lucie Riu, Koki Yumoto, Yuichiro Cho, Seiji Sugita, Shumpei Nakahara, Shoki Mori, Yuta Aikyo, Shingo Kameda, Roger Stabbins, Yuta Shimizu, Hideaki Miyamoto, Yuya Hitomi, Arisa Nakano, Kana Nagashima, Haruna Sugahara, Shino Suzuki, Shunta Kimura, Tomohiro Usui +34 morewiley +1 more sourceMASCOT - a Mobile Lander on-board Hayabusa2 Spacecraft - Operations on Ryugu [PDF]
, 2021 MASCOT (‘Mobile Asteroid Surface Scout’) is a 10 kg mobile surface science package part of JAXA’s Hayabusa2 sample return mission. The mission was launched in December 2014 from Tanegashima Space Center, Japan. The Hayabusa2 spacecraft reached the target Saiki, Takanao, Jaumann, R., Sasaki, Kaname, Knollenberg, Jörg, Schmitz, Nicole, Ulamec, Stephan, Cenac-Morthe, Celine, Lorda, Laurence, Biele, Jens, Auster, H.-U., Cozzoni, Barbara, Hercik, D., Tsuda, Yuichi, Schlotterer, Markus, Moussi, Aurelie, Cordero, Federico, Bibring, Jean-Pierre, MASCOT Team, the, Glassmeier, K. H., Hamm, V., Küchemann, Oliver, Dudal, Clement, Watanabe, S., Wolff, Friederike, Lange, Caroline, Grott, Matthias, Okada, Tatsuaki, Embacher, Daniel, Grundmann, Jan Thimo, Kayal, Kagan, Krause, Christian, Maibaum, Michael, Fantinati, Cinzia, Reill, Josef, Ho, Tra-Mi, Toth, Norbert, Fischer, Hans-Herbert, Mimasu, Yuya, Granena, David, May, Daniel, Yoshimitsu, Tetsuo +40 morecore Nondestructive analysis of Bennu samples toward comparative studies with Ryugu samples
Meteoritics &Planetary Science, Volume 61, Issue 1, Page 3-16, January 2026.Abstract
Analyzing primitive extraterrestrial samples from asteroids is key to understanding the evolution of the early solar system. The OSIRIS‐REx mission returned samples from the B‐type asteroid Bennu, providing a valuable opportunity to compare them with the Ryugu samples collected by the Hayabusa2 mission.Ryota Fukai, Masahiro Nishimura, Koki Yumoto, Yuichiro Cho, Yuta Shimizu, Moe Matsuoka, Eri Tatsumi, Soichiro Furukawa, Ryosuke Sakurai, Toru Yada, Kentaro Hatakeda, Kasumi Yogata, Yuma Enokido, Rui Tahara, Akiko Miyazaki, Seiya Kawasaki, Rei Kanemaru, Seiji Sugita, Shoki Mori, Shumpei Nakahara, Yuta Aikyo, Hideaki Miyamoto, Cedric Pilorget, Damien Loizeau, Laura Nardelli, Rachel Sheppard, Cateline Lantz, Lucie Riu, Jean‐Pierre Bibring, Rosario Brunetto, Tatsuaki Okada, Masanao Abe, Tomohiro Usui +32 morewiley +1 more sourceOccurrence and characterization of nanosulfide‐rich regions on asteroid Ryugu: Insights from mackinawite and pyrrhotite
Meteoritics &Planetary Science, Volume 61, Issue 1, Page 168-181, January 2026.Abstract
Samples returned from asteroid Ryugu by the Hayabusa2 mission are dominated by fine‐grained matrix material made of phyllosilicates and nanosulfides. Here, we report the mineralogical, textural, and chemical characteristics of nanosulfide‐rich regions identified in Ryugu particles.Roberto Conconi, Hugues Leroux, Maya Marinova, Sylvain Laforet, Damien Jacob, Léna Jossé, Alice Aléon‐Toppani, Zélia Dionnet, Rosario Brunetto, Corentin Le Guillou +9 morewiley +1 more sourceSulfur‐bearing serpentine in carbonaceous chondrites
Meteoritics &Planetary Science, Volume 60, Issue 12, Page 2864-2890, December 2025.Abstract
A correlative multi‐technique approach, including electron microscopy and X‐ray synchrotron work, has been used to obtain both structural and compositional information of a sulfur‐bearing serpentine identified in several carbonaceous chondrites (Winchcombe CM2, Aguas Zarcas CM2, Ivuna CI, and Orgueil CI), and in Ryugu samples returned by the ...N. Topping, J. C. Bridges, L. J. Hicks, L. Petera, C. S. Allen, J. Ryu, D. G. Hopkinson, M. Danaie, L. Blase, F. M. Willcocks, G. Douglas, H. G. Changela, T. Noguchi, T. Matsumoto, A. Miyake +14 morewiley +1 more source