Oxygen isotopic compositions of asteroidal materials returned from Itokawa by the Hayabusa mission

Hisayoshi Yurimoto; Ken Ichi Abe; Masanao Abe; Mitsuru Ebihara; Akio Fujimura; Minako Hashiguchi; Ko Hashizume; Trevor R. Ireland; Shoichi Itoh; Juri Katayama; Chizu Kato; Junichiro Kawaguchi; Noriyuki Kawasaki; Fumio Kitajima; Sachio Kobayashi; Tatsuji Meike; Toshifumi Mukai; Keisuke Nagao; Tomoki Nakamura; Hiroshi Naraoka; Takaaki Noguchi; Ryuji Okazaki; Changkun Park; Naoya Sakamoto; Yusuke Seto; Masashi Takei; Akira Tsuchiyama; Masayuki Uesugi; Shigeyuki Wakaki; Toru Yada; Kosuke Yamamoto; Makoto Yoshikawa; Michael E. Zolensky

doi:10.1126/science.1207776

Oxygen isotopic compositions of asteroidal materials returned from Itokawa by the Hayabusa mission

Hisayoshi Yurimoto^*, Ken Ichi Abe, Masanao Abe, Mitsuru Ebihara, Akio Fujimura, Minako Hashiguchi, Ko Hashizume, Trevor R. Ireland, Shoichi Itoh, Juri Katayama, Chizu Kato, Junichiro Kawaguchi, Noriyuki Kawasaki, Fumio Kitajima, Sachio Kobayashi, Tatsuji Meike, Toshifumi Mukai, Keisuke Nagao, Tomoki Nakamura, Hiroshi NaraokaTakaaki Noguchi, Ryuji Okazaki, Changkun Park, Naoya Sakamoto, Yusuke Seto, Masashi Takei, Akira Tsuchiyama, Masayuki Uesugi, Shigeyuki Wakaki, Toru Yada, Kosuke Yamamoto, Makoto Yoshikawa, Michael E. Zolensky

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

131 Citations (Scopus)

Abstract

Meteorite studies suggest that each solar system object has a unique oxygen isotopic composition. Chondrites, the most primitive of meteorites, have been believed to be derived from asteroids, but oxygen isotopic compositions of asteroids themselves have not been established. We measured, using secondary ion mass spectrometry, oxygen isotopic compositions of rock particles from asteroid 25143 Itokawa returned by the Hayabusa spacecraft. Compositions of the particles are depleted in 16O relative to terrestrial materials and indicate that Itokawa, an S-type asteroid, is one of the sources of the LL or L group of equilibrated ordinary chondrites. This is a direct oxygen-isotope link between chondrites and their parent asteroid.

Original language	English
Pages (from-to)	1116-1119
Number of pages	4
Journal	Science
Volume	333
Issue number	6046
DOIs	https://doi.org/10.1126/science.1207776
Publication status	Published - 2011 Aug 26
Externally published	Yes

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Yurimoto, H., Abe, K. I., Abe, M., Ebihara, M., Fujimura, A., Hashiguchi, M., Hashizume, K., Ireland, T. R., Itoh, S., Katayama, J., Kato, C., Kawaguchi, J., Kawasaki, N., Kitajima, F., Kobayashi, S., Meike, T., Mukai, T., Nagao, K., Nakamura, T., ... Zolensky, M. E. (2011). Oxygen isotopic compositions of asteroidal materials returned from Itokawa by the Hayabusa mission. Science, 333(6046), 1116-1119. https://doi.org/10.1126/science.1207776

Yurimoto, H, Abe, KI, Abe, M, Ebihara, M, Fujimura, A, Hashiguchi, M, Hashizume, K, Ireland, TR, Itoh, S, Katayama, J, Kato, C, Kawaguchi, J, Kawasaki, N, Kitajima, F, Kobayashi, S, Meike, T, Mukai, T, Nagao, K, Nakamura, T, Naraoka, H, Noguchi, T, Okazaki, R, Park, C, Sakamoto, N, Seto, Y, Takei, M, Tsuchiyama, A, Uesugi, M, Wakaki, S, Yada, T, Yamamoto, K, Yoshikawa, M & Zolensky, ME 2011, 'Oxygen isotopic compositions of asteroidal materials returned from Itokawa by the Hayabusa mission', Science, vol. 333, no. 6046, pp. 1116-1119. https://doi.org/10.1126/science.1207776

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abstract = "Meteorite studies suggest that each solar system object has a unique oxygen isotopic composition. Chondrites, the most primitive of meteorites, have been believed to be derived from asteroids, but oxygen isotopic compositions of asteroids themselves have not been established. We measured, using secondary ion mass spectrometry, oxygen isotopic compositions of rock particles from asteroid 25143 Itokawa returned by the Hayabusa spacecraft. Compositions of the particles are depleted in 16O relative to terrestrial materials and indicate that Itokawa, an S-type asteroid, is one of the sources of the LL or L group of equilibrated ordinary chondrites. This is a direct oxygen-isotope link between chondrites and their parent asteroid.",

author = "Hisayoshi Yurimoto and Abe, {Ken Ichi} and Masanao Abe and Mitsuru Ebihara and Akio Fujimura and Minako Hashiguchi and Ko Hashizume and Ireland, {Trevor R.} and Shoichi Itoh and Juri Katayama and Chizu Kato and Junichiro Kawaguchi and Noriyuki Kawasaki and Fumio Kitajima and Sachio Kobayashi and Tatsuji Meike and Toshifumi Mukai and Keisuke Nagao and Tomoki Nakamura and Hiroshi Naraoka and Takaaki Noguchi and Ryuji Okazaki and Changkun Park and Naoya Sakamoto and Yusuke Seto and Masashi Takei and Akira Tsuchiyama and Masayuki Uesugi and Shigeyuki Wakaki and Toru Yada and Kosuke Yamamoto and Makoto Yoshikawa and Zolensky, {Michael E.}",

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AU - Abe, Masanao

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AU - Hashiguchi, Minako

AU - Hashizume, Ko

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AU - Kawasaki, Noriyuki

AU - Kitajima, Fumio

AU - Kobayashi, Sachio

AU - Meike, Tatsuji

AU - Mukai, Toshifumi

AU - Nagao, Keisuke

AU - Nakamura, Tomoki

AU - Naraoka, Hiroshi

AU - Noguchi, Takaaki

AU - Okazaki, Ryuji

AU - Park, Changkun

AU - Sakamoto, Naoya

AU - Seto, Yusuke

AU - Takei, Masashi

AU - Tsuchiyama, Akira

AU - Uesugi, Masayuki

AU - Wakaki, Shigeyuki

AU - Yada, Toru

AU - Yamamoto, Kosuke

AU - Yoshikawa, Makoto

AU - Zolensky, Michael E.

PY - 2011/8/26

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AB - Meteorite studies suggest that each solar system object has a unique oxygen isotopic composition. Chondrites, the most primitive of meteorites, have been believed to be derived from asteroids, but oxygen isotopic compositions of asteroids themselves have not been established. We measured, using secondary ion mass spectrometry, oxygen isotopic compositions of rock particles from asteroid 25143 Itokawa returned by the Hayabusa spacecraft. Compositions of the particles are depleted in 16O relative to terrestrial materials and indicate that Itokawa, an S-type asteroid, is one of the sources of the LL or L group of equilibrated ordinary chondrites. This is a direct oxygen-isotope link between chondrites and their parent asteroid.

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Oxygen isotopic compositions of asteroidal materials returned from Itokawa by the Hayabusa mission

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