Search Results - "KAWAGUCHI, Junichiro"

Three-Dimensional Structure of Hayabusa Samples: Origin and Evolution of Itokawa Regolith by Tsuchiyama, Akira, Uesugi, Masayuki, Matsushima, Takashi, Michikami, Tatsuhiro, Kadono, Toshihiko, Nakamura, Tomoki, Uesugi, Kentaro, Nakano, Tsukasa, Sandford, Scott A., Noguchi, Ryo, Matsumoto, Toru, Matsuno, Junya, Nagano, Takashi, Imai, Yuta, Takeuchi, Akihisa, Suzuki, Yoshio, Ogami, Toshihiro, Katagiri, Jun, Ebihara, Mitsuru, Ireland, Trevor R., Kitajima, Fumio, Nagao, Keisuke, Naraoka, Hiroshi, Noguchi, Takaaki, Okazaki, Ryuji, Yurimoto, Hisayoshi, Zolensky, Michael E., Mukai, Toshifumi, Abe, Masanao, Yada, Toru, Fujimura, Akio, Yoshikawa, Makoto, Kawaguchi, Junichiro

“…Regolith particles on the asteroid Itokawa were recovered by the Hayabusa mission. Their three-dimensional (3D) structure and other properties, revealed by…”
Get full text

Categorization of Brazil nut effect and its reverse under less-convective conditions for microgravity geology by Chujo, Toshihiro, Mori, Osamu, Kawaguchi, Junichiro, Yano, Hajime

“…Abstract Due to its important role in the sorting of particles on microgravity bodies by size, Brazil nut effect (BNE) is a major subject of study for…”
Get full text

Oxygen Isotopic Compositions of Asteroidal Materials Returned from Itokawa by the Hayabusa Mission by Yurimoto, Hisayoshi, Abe, Ken-ichi, Abe, Masanao, Ebihara, Mitsuru, Fujimura, Akio, Hashiguchi, Minako, Hashizume, Ko, Ireland, Trevor R., Itoh, Shoichi, Katayama, Juri, Kato, Chizu, Kawaguchi, Junichiro, Kawasaki, Noriyuki, Kitajima, Fumio, Kobayashi, Sachio, Meike, Tatsuji, Mukai, Toshifumi, Nagao, Keisuke, Nakamura, Tomoki, Naraoka, Hiroshi, Noguchi, Takaaki, Okazaki, Ryuji, Park, Changkun, Sakamoto, Naoya, Seto, Yusuke, Takei, Masashi, Tsuchiyama, Akira, Uesugi, Masayuki, Wakaki, Shigeyuki, Yada, Toru, Yamamoto, Kosuke, Yoshikawa, Makoto, Zolensky, Michael E.

“…Meteorite studies suggest that each solar system object has a unique oxygen isotopic composition. Chondrites, the most primitive of meteorites, have been…”
Get full text

Hayabusa-returned sample curation in the Planetary Material Sample Curation Facility of JAXA by YADA, Toru, FUJIMURA, Akio, ABE, Masanao, NAKAMURA, Tomoki, NOGUCHI, Takaaki, OKAZAKI, Ryuji, NAGAO, Keisuke, ISHIBASHI, Yukihiro, SHIRAI, Kei, ZOLENSKY, Michael E., SANDFORD, Scott, OKADA, Tatsuaki, UESUGI, Masayuki, KAROUJI, Yuzuru, OGAWA, Maho, YAKAME, Shogo, UENO, Munetaka, MUKAI, Toshifumi, YOSHIKAWA, Makoto, KAWAGUCHI, Junichiro

“…–  The Planetary Material Sample Curation Facility of JAXA (PMSCF/JAXA) was established in Sagamihara, Kanagawa, Japan, to curate planetary material samples…”
Get full text

Analysis and design of a spacecraft docking system using a deployable boom by Takao, Yuki, Mori, Osamu, Kawaguchi, Jun’ichiro

“…Automated spacecraft docking is a technology that has long been pursued. Deep space explorers and small spacecraft can carry fewer resources for docking, such…”
Get full text

Mineral chemistry of MUSES-C Regio inferred from analysis of dust particles collected from the first- and second-touchdown sites on asteroid Itokawa by Nakamura, Tomoki, Nakato, Aiko, Ishida, Hatsumi, Wakita, Shigeru, Noguchi, Takaaki, Zolensky, Michael E., Tanaka, Masahiko, Kimura, Makoto, Tshuchiyama, Akira, Ogami, Toshihiro, Hashimoto, Takahito, Konno, Mitsuru, Uesugi, Masayuki, Yada, Toru, Shirai, Kei, Fujimura, Akio, Okazaki, Ryuji, Sandford, Scott. A., Ishibashi, Yukihiro, Abe, Masanao, Okada, Tatsuaki, Ueno, Munetaka, Kawaguchi, Junichiro

“…The mineralogy and mineral chemistry of Itokawa dust particles captured during the first and second touchdowns on the MUSES‐C Regio were characterized by…”
Get full text

Sample return system of OKEANOS—The solar power sail for Jupiter Trojan exploration by Takao, Yuki, Mori, Osamu, Matsumoto, Jun, Chujo, Toshihiro, Kikuchi, Shota, Kebukawa, Yoko, Ito, Motoo, Okada, Tatsuaki, Aoki, Jun, Yamada, Kazuhiko, Sawada, Takahiro, Kawasaki, Shigeo, Kashioka, Shuya, Oki, Yusuke, Saiki, Takanao, Kawaguchi, Jun’ichiro

“…The Japan Aerospace Exploration Agency had planned a sample return from the Jupiter Trojans using a solar power sail in its Oversize Kite-craft for Exploration…”
Get full text

Families of periodic orbits in Hill’s problem with solar radiation pressure: application to Hayabusa 2 by Giancotti, Marco, Campagnola, Stefano, Tsuda, Yuichi, Kawaguchi, Jun’ichiro

“…This work studies periodic solutions applicable, as an extended phase, to the JAXA asteroid rendezvous mission Hayabusa 2 when it is close to target asteroid…”
Get full text

Self-excited oscillation of spinning solar sails utilizing solar radiation pressure by Takao, Yuki, Mori, Osamu, Kawaguchi, Jun’ichiro

“…The present paper proposes a control method to excite spinning solar sail membranes for three-dimensional use. Using optical property switching, the input is…”
Get full text

Space environment of an asteroid preserved on micrograins returned by the Hayabusa spacecraft by Nakamura, Eizo, Makishima, Akio, Moriguti, Takuya, Kobayashi, Katsura, Tanaka, Ryoji, Kunihiro, Tak, Tsujimori, Tatsuki, Sakaguchi, Chie, Kitagawa, Hiroshi, Ota, Tsutomu, Yachi, Yusuke, Yada, Toru, Abe, Masanao, Fujimura, Akio, Ueno, Munetaka, Mukai, Toshifumi, Yoshikawa, Makoto, Kawaguchi, Jun’ichiro

“…Records of micrometeorite collisions at down to submicron scales were discovered on dust grains recovered from near-Earth asteroid 25143 (Itokawa). Because the…”
Get full text

On-orbit verification of fuel-free attitude control system for spinning solar sail utilizing solar radiation pressure by Funase, Ryu, Shirasawa, Yoji, Mimasu, Yuya, Mori, Osamu, Tsuda, Yuichi, Saiki, Takanao, Kawaguchi, Jun’ichiro

“…This paper introduces a new attitude control system for a solar sail, which leverages solar radiation pressure. This novel system achieves completely fuel-free…”
Get full text

Hayabusa—Its technology and science accomplishment summary and Hayabusa-2 by Kawaguchi, Jun’ichiro, Fujiwara, Akira, Uesugi, Tono

“…Hayabusa performed five descents last November, among which two touching-down flights were included. Actually Hayabusa made three touching-downs and one long…”
Get full text

Extension of stable terminator orbits around small bodies by Oki, Yusuke, Tsuda, Yuichi, Kawaguchi, Jun'ichiro

“…In the exploration of small bodies, the orbiting operation is very significant in terms of fuel consumption and scientific observation of small bodies…”
Get full text

Solar power sail mission of OKEANOS by Mori, Osamu, Matsumoto, Jun, Chujo, Toshihiro, Matsushita, Masanori, Kato, Hideki, Saiki, Takanao, Tsuda, Yuichi, Kawaguchi, Jun’ichiro, Terui, Fuyuto, Mimasu, Yuya, Ono, Go, Ogawa, Naoko, Takao, Yuki, Kubo, Yuki, Ohashi, Kaoru, Sugihara, Ahmed Kiyoshi, Okada, Tatsuaki, Iwata, Takahiro, Yano, Hajime

“…The solar power sail is an original Japanese concept in which electric power is generated by thin-film solar cells attached on the solar sail membrane. Japan…”
Get full text

On the low-cost asynchronous one-way range measurement method and the device for micro to nano deep space probes by Kawaguchi, Junichiro, Fujita, Masahiro, Fujita, Shinya, Sakamoto, Yuji, Kuwahara, Toshinori, Yoshida, Kazuya, Nishimoto, Shingo, Takeda, Kohei, Komachi, Saki, Hayato, Kokubo

Get full text

Itokawa Dust Particles: A Direct Link Between S-Type Asteroids and Ordinary Chondrites by Nakamura, Tomoki, Noguchi, Takaaki, Tanaka, Masahiko, Zolensky, Michael E., Kimura, Makoto, Tsuchiyama, Akira, Nakato, Aiko, Ogami, Toshihiro, Ishida, Hatsumi, Uesugi, Masayuki, Yada, Toru, Shirai, Kei, Fujimura, Akio, Okazaki, Ryuji, Sandford, Scott A., Ishibashi, Yukihiro, Abe, Masanao, Okada, Tatsuaki, Ueno, Munetaka, Mukai, Toshifumi, Yoshikawa, Makoto, Kawaguchi, Junichiro

“…The Hayabusa spacecraft successfully recovered dust particles from the surface of near-Earth asteroid 25143 Itokawa. Synchrotron-radiation x-ray diffraction…”
Get full text

Linear stability of collinear equilibrium points around an asteroid as a two-connected-mass: Application to fast rotating Asteroid 2000EB14 by HIRABAYASHI, Masatoshi, MORIMOTO, Mutsuko Y, YANO, Hajime, KAWAGUCHI, Jun'ichiro, BELLEROSE, Julie

“…This note discusses the stability of collinear equilibrium points around a rotating system composed of two masses rigidly connected by a massless rod in the…”
Get full text

Lessons learned from round trip of Hayabusa asteroid explorer in deep space by Kuninaka, H, Kawaguchi, J

“…The cathode-less electron cyclotron resonance ion engines, μ10, propelled the Hayabusa asteroid explorer, launched in May 2003, which is focused on…”
Get full text

Spinning solar sail orbit steering via spin rate control by Mimasu, Yuya, Yamaguchi, Tomohiro, Matsumoto, Michihiro, Nakamiya, Masaki, Funase, Ryu, Kawaguchi, Jun’ichiro

“…The orbit of a solar sail can be controlled by changing the attitude of the spacecraft. In this study, we consider the spinning solar power sail IKAROS…”
Get full text

Normal mode analysis of rubble-pile asteroids using a discrete element method by Chujo, Toshihiro, Mori, Osamu, Kawaguchi, Junichiro

“…•Normal mode analysis of rubble piles is formulated using a discrete element method.•Modes and eigenfrequencies are nearly independent of constituent particle…”
Get full text