Publications

2021

International Conference

  1. Yusuke Takada, Kodai Iwanaga, Hajime Inoue, Shota Inoue, Masashi Wakita, Landon Kamps, Hironori Sahara, Toshiaki Iizuka, Harunori Nagata, “Ignition and Flame-holding Characteristics of 60wt% Hydrogen Peroxide in a CAMUI-type Hybrid Rocket Fuel,” 2021 AIAA Propulsion and Energy Forum, Online, July 28, 2021.
  2. Kentaro Shirai, Hironori Sahara, "Research on Vibration Control to Mitigate Mechanical Environment Inside Satellites," 33rd International Symposium on Space Technology and Science, February 26 - March 4, Online, 2022.
  3. Masahiro Furumoto, Hironori Sahara, "A De-Orbit Strategy with Reinforced Learning for Satellites Losing Attitude Control," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.
  4. Yoshinobu Okano, Hironori Sahara, "A Case Study on Quantitative Impact Assessment of Regressive Process by using Worker-Hour in Systems Engineering Process for Satellite Development," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.
  5. Shun Katsube, Hironori Sahara, "Investigation of Anomaly Detection Method Using an Index of the System Health," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.
  6. Xinyu Yang, Shun Katsube, Hironori Sahara, "Anomaly Detection for Multiple Satellite System using Machine Learning," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.
  7. Momoko Asano, Masahiro Furumoto, Hironori Sahara, "A Post Mission Disposal Strategy for Small Satellites without Complete Attitude Control," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.
  8. Chiho Motegi, Tsubasa Higashi, Ryo Oguro, Marin Uchikado, Kei Ishikawa, Hironori Sahara, Daisuke Suzuki, "Observations of Middle Atmosphere Using Artificial Meteors Especially Effect of Atmospheric Density Distribution," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.
  9. Toshiaki Iizuka, Yuya Ikeda, Takeru Yuzawa, Takehito Kato, Ryusei Hayatomo, Kazuki Hirayama, Hiroyoshi Yasuhira, Haruki Sashida, Kohdai Ono, Takuto Iijima, Hironori Sahara, "Fundamental Study on Pt/TiO2 Catalyst to aim Extension of Catalyst Life for Microsatellite-Friendly Multi-Purpose Propulsion System (MFMP-PROP)," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.
  10. Hiroyoshi Yasuhira, Ryusei Hayatomo, Kazuki Hirayama, Haruki Sashida, Kohdai Ono, Takuto Iijima, Hironori Sahara, Takeru Yuzawa, Yuya Ikeda, Toshiaki Iizuka, Daisuke Suzuki, "Systematization of Microsatellite-Friendly Multi-Purpose Porpulsion System," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.
  11. Ryusei Hayatomo, Kazuki Hirayama, Hiroyoshi Yasuhira, Haruki Sashida, Kohdai Ono, Takuto Iijima, Hironori Sahara, Yuya Ikeda, Takeru Yuzawa, Toshiaki Iizuka, Daisuke Suzuki, "Research on Bi-propellant Mode Operation of Microsatellite-Friendly Multi-Purpose PROPulsion System (MFMP-PROP)," 33rd International Symposium on Space Technology and Science, Online, February 26 - March 4, 2022.

2020

International Conference

  1. Yuichiro Ezoe, Ryu Funase, Harunori Nagata, Yoshizumi Miyoshi, Satoshi Kasahara, Hiroshi Nakajima, Ikuyuki Mitsuishi, Kumi Ishikawa, Junko Hiraga, Kazuhisa Mitsuda, Masaki Fujimoto, Munetaka Ueno, Atsushi Yamazaki, Hiroshi Hasegawa, Yosuke Matsumoto, Yasuhiro Kawakatsu, Takahiro Iwata, Hironori Sahara, Yoshiaki Kanamori, Kohei Morishita, Hiroyuki Koizumi, Makoto Mita, Takafumi Mitani, Masaki Numazawa, Landon Kamps, Yusuke Kawabata, “GEO-X (GEOspace X-ray imager),” SPIE Astronomical telescopes + Instrumentation, December 14-18, 2020, ONLINE, Proceedings Volume 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray; 1144428 (2020). doi.org/10.1117/12.2560780
  2. Asato Wada, Toshiaki Iizuka, Noboru Itoyama, Hironori Sahara, Hiroto Habu, “Propulsive Performance Analysis of Energetic Ionic Liquid Mono-Propulsion Systems for Micro-Spacecrafts,” SPACE PROPULSION 2020+1, Session 10-SC, Cubesat Propulsion System2, March 17-19, 2021, VIRTUAL CONFERENCE.

Journal

  1. Masahiro Furumoto, Hironori Sahara, “Statistical Assessment of Detection of Changes in Space Debris Environment Utilizing In-situ Measurements,” Acta Astronautica, Volume 177, December 2020, pp. 666-672, 2020. doi.org/10.1016/j.actaastro.2020.08.011

2019

International Conference

  1. Fukuta Kudo, Wataru Hirano, Hironori Sahara, Adrien Lemal, Koh Kamachi, Lena Okajima, “Simulation of Arc Heated Wind Tunnel Flows to Support Artificial Meteor Entry,” 32nd International Symposium on Space Technology and Science & 9th Nano-satellite Symposium, ISTS2-19-e-30, AOSSA and Happiring, Fukui, Japan, June 15-21, 2019.
  2. Kei Ishikawa, Norio Yamashita, Hironori Sahara, Adrien Lemal, Koh Kamachi, Lena Okajima, “Simulation of Material Brightness to Support Artificial Meteor Entry,” 32nd International Symposium on Space Technology and Science & 9th Nano-satellite Symposium, ISTS2019-r-12, AOSSA and Happiring, Fukui, Japan, June 15-21, 2019.
  3. Kenjiro Nakamura, Yukano Omata, Hironori Sahara, Toshiaki Iizuka, “Study on Propellant Decomposition Efficiency and Catalyst Life in Low-Toxic Propulsion System for Micro/Small Satellite,” 32nd International Symposium on Space Technology and Science & 9th Nano-satellite Symposium, ISTS2019-f-52, AOSSA and Happiring, Fukui, Japan, June 15-21, 2019.
  4. Yukano Omata, Kenjiro Nakamura, Hironori Sahara, Toshiaki Iizuka, “Development of Low-Toxic Propulsion System for Microsatellite using 60wt% Solution of Hydrogen Peroxide,” 32nd International Symposium on Space Technology and Science & 9th Nano-satellite Symposium, ISTS-2019-f-53, AOSSA and Happiring, Fukui, Japan, June 15-21, 2019.
  5. Naoki Nishii, Kain Aoki, Akaru Oishi, Hironori Sahara, “FPGA-Based Distributed Architecture and Fault Detection System with a Common Signboard Subsystem,” 32nd International Symposium on Space Technology and Science & 9th Nano-satellite Symposium, ISTS2019-f-92, AOSSA and Happiring, Fukui, Japan, June 15-21, 2019.

2018

International Conference

  1. Yuichiro Ezoe, Yoshizumi Miyoshi, Satoshi Kasahara, Tomoki Kimura, Kumi Ihiskawa, Masaki Fujimoto, Kazuhisa Mitsuda, Hironori Sahara, Naoki Isobe, Hiroshi Nakajima, Takaya Ohashi, Haruki Nagata, Ryu Funase, Munetaka Ueno, Graziella Branduardi-Raymont, “Small satellites with MEMS x-ray telescopes for x-ray astronomy and solar system exploration,” Proceedings Volume 10699, SPIE Astronomical Telescopes + Instrumentation, Austin, Texas, United States of America, June 10-15, 2018.

Journal

  1. Yuichiro Ezoe, Yoshizumi Miyoshi, Satoshi Kasahara, Tomoki Kimura, Kumi Ihiskawa, Masaki Fujimoto, Kazuhisa Mitsuda, Hironori Sahara, Naoki Isobe, Hiroshi Nakajima, Takaya Ohashi, Haruki Nagata, Ryu Funase, Munetaka Ueno, Graziella Branduardi-Raymont, “Small satellites with MEMS x-ray telescopes for x-ray astronomy and solar system exploration,” Proceedings Volume 10699, SPIE Astronomical Telescopes + Instrumentation, June 10-15, 2018.
  2. Yuichiro Ezoe, Yoshizumi Miyoshi, Satoshi Kasahara, Tomoki Kimura, Kumi Ishikawa, Masaki Fujimoto, Kazuhisa Mitsuda, Hironori Sahara, Naoki Isobe, Hiroshi Nakajima, Takaya Ohashi, Harunori Nagata, Ryu Funase, Munetaka Ueno, Graziella Branduardi-Raymont, “Ultralightweight x-ray telescope missions: ORBIS and GEO-X,” Journal of Astronnomical Telescopes, Instruments, and Systems, Vol. 4, No. 4, October 2018.
  3. Hirohisa Asano, Hironori Sahara, “Implementation of Bus-Type Architecture with Common Subsystem in Microsatellite ORBIS,” Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, 2019（早期公開）.
  4. Jun Matsushima, Hironori Sahara, Shogo Asano, Masahiro Kaku, Toshihiro Kanda, Mayu Banno, Hirohisa Asano, Yuya Kobayashi, Natsumi Kimura, Norio Yamashita, Yuichiro Ezoe, Kumi Ishikawa, Kasumi Nakamura, Masaki Numazawa, Kazuma Takeuchi, Masaru Terada, Daiki Ishii, Yusuke Noda, Maiko Fujitani, Naoki Isobe, Hiroshi Nakajima, Norihide Miyamura, “Development of Binary Black Hole Observation Satellite ‘ORBIS’,” Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, 2019（早期公開）.

2017

International Conference

  1. Lena Okajima, Hironori Sahara, Shinsuke Abe, Takeo Watanabe, “Bridging Science and Entertainment with Shooting Stars on Demand,” 68th Internatinal Astronautical Congress, IAC-17.E6.IP.1, September 25-29, 2017, Adelaide, Australia.
  2. Hirohisa Asano, Hironori Sahara, “An Implementation of Bus-Type Architecture with Common Subsystem to Microsatellite ORBIS,” 31st International Symposium on Space Technology and Science, t-1, Microsatellite and Software, 2017-t-04, June 6, 2017.
  3. Jun Matsushima, Hironori Sahara, Shogo Asano, Masahiro Kaku, Toshihiro Kanda, Mayu Banno, Hirohisa Asano, Yuya Kobayashi, Natsumi Kimura, Norio Yamashita, Yuichiro Ezoe, Kumi Ishikawa, Kasumi Nakakamura, Masaki Numazawa, Kazuma Takeuchi, Masaru Terada, Daiki Ishii, Yusuke Noda, Maiko Fujitani, Naoki Isobe, Hiroshi Nakajima, Norihide Miyamura, “Development of Binary Black Hole Observation Satellite ‘ORBIS’,” 31st International Symposium on Space Technology and Science, f-9, Beyond Earth, 2017-f-042, June 8, 2017.
  4. Yuichiro Ezoe, Yoshizumi Miyoshi, Satoshi Kasahara, Tomoki Kimura, Kumi Ishikawa, Masaki Fujimoto, Kazuhisa Mitsuda, Takaya Ohashi, Hironori Sahara, G. Branduardi-Raymont, “Small Satellites for X-ray Exploration of the Solar System,” 3rd COSPAR Symposium (COSPAR Symposium 2017), WeB2-1, September 18-22, 2017, Jeju, Korea.

2016

International Conference

  1. S. Abe, L. Okajima, H. Sahara, T. Watanabe, Y. Nojiri, T. Nishizono, "Artificial Meteor Test towards On-demand Meteor Shower," International Meteor Conference, Egmond, Netherlands, June 2 - 5, 2016.
  2. S. Abe, K. Araki, T. Iwasaki, K. Toen, H. Sahara, T. Watanabe, L. Okajima, "Artificial Meteor and Chelyabinsk Ablation Test using Arc-heated Wind Tunnel," Meteoroids 2016, Noordwijk, Netherlands, June 6 - 10, 2016.
  3. J. Matsushima, M. Kaku, M. Banno, H. Sahara, Y. Araki, "Development of Propulsion System with Bi-propellants Based on Green Propellant for Microsatellite," AIAA Propulsion and Energy Forum and Exposition, 52nd AIAA/SAE/ASEE Joint Propulsion Conference, SATS-01. Small Satellites I, Salt Lake City, Utah, July 25 - 27, 2016.
  4. H. Koizumi, J. Asakawa, Y. Nakagawa, S. Kojima, H. Kawahara, K. Komurasaki, M. Nakano, H. Sahara, M. Banno, J. Matsushima, M. Kaku, T. Iizuka, Y. Seto, "Micropropulsion Systems Enabling Full Active Debris Removal by a Small Satellite ADRAS-1," 30th Annual AIAA/USU Conference on Small Satellites, Advanced Technologies II, SSC16-X-03, Aug 6 - 11, 2016.

Journal

  1. Seiji Yoshimoto, Shinichi Nakasuka, Yoshiro Tsuruda, Yoshihide Aoyanagi, Toshiki Tanaka, Hironori Sahara, Takehiro Ohira, Yuta Araki, Ichiro Mase, Miki Ito, Vladimir Kainov, Andrey Karandaev, Olexij Silkin, "Cluster Launch of Hodoyoshi-3 and -4 Satellites from Yasny by Dnepr Launch Vehicle," Transactions of JSASS, Aerospace Technology Japan, Vol. 14, No. ists30, pp. Pf_35 - Pf-43, 2016.
  2. Masaki Watanabe, Koki Sakuyama, Hironori Sahara, Soichiro Numata, Shinsuke Abe, Takeo Watanabe, Takayuki Shimoda, Junsei Nagai, Yuta Nojiri, Lena Okajima, “Evaluation of Artificial Meteor Sources with Arc Heater Wind Tunnel,” Transactions of the Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, ISTS Special Issue, Vol. 14, No. ists30, pp. Pf_119 - Pf_123, 2016.

2015

International Conference

  1. Taku Watanabe,　Ayako　Kayaba,　Satoru　Ozawa,　Hiroshi　Yamakawa,　Hironori　Sahara,　"Development　of　Testbed　for Relative　Position　and　Attitude　Simultaneous　Control　Experiment　using　Electromagnets,"　30th　International Symposium on Space Technology and Science, 2015-d-38, d-8, July 8, 2015.
  2. Naoki Otsuka, Hironori Sahara, ORBIS Team, "Development of Binary Black Hole Observation Satellite 'ORBIS'," 30th International Symposium on Space Technology and Science, 2015-f-26, f-6, July 8, 2015.
  3. Seiji Yoshimoto, Shinichi Nakasuka, Yoshiro Tsuruda, Yoshihide Aoyanagi, Toshiki Tanaka, Hironori Sahara, Takehiro Ohira, Yuta Araki, Ichiro Mase, Miki Ito, Vladimir Kainov, Andrey Karandaev, Olexij Silkin, "Cluster Launch of Hodoyoshi-3 and -4 Satellites from Yasny by Dnepr Launch Vehicle," 30th International Symposium on Space Technology and Science, 2015-f-33, f-7, July 8, 2015.
  4. Takeshi Sakuma, Hironori Sahara, Naoki Miyashita, Yusuke Kuramoto, Masayasu Matsui, Seiji Yoshimoto, Yoshihiro Tsuruda, Shinichi Nakasuka, "Development and On-Orbit Demonstration of the Propulsion System Based on 60wt% Hydrogen Peroxide for Microsatellites," 30th International Symposium on Space Technology and Science, 2015-f-40, f-8, July 8, 2015.
  5. Shuhei Hotta, Hironori Sahara, "State Transition Simulation of Distributed Autonomous Microsatellite," 30th International Symposium on Space Technology and Science, 2015-f-66, f-14, July 10, 2015.
  6. Masaki Watanabe, Koki Sakuyama, Hironori Sahara, Soichiro Numata, Shinsuke Abe, Takeo Watanabe, Takayuki Shimoda, Junsei Nagai, Yuta Nojiri, Lena Okajima, "Evaluation of Artificial Meteor Sources with Arc Heater Wind Tunnel," 30th International Symposium on Space Technology and Science, 2015-f-70, f-15, July 10, 2015.
  7. Takahiro Kuromoto, Hironori Sahara, "Construction of the Electric Power Network System in Microsatellites," 30th International Symposium on Space Technology and Science, 2015-f-86p, Poster Session, July 8, 2015.
  8. Koki Sakuyama, Masaki Watanabe, Hironori Sahara, "Research on Atmospheric Entry Pill for the Upper Atmosphere Observation," Asia Pacific International Symposium on Aerospace Technology (APISAT) 2015, Cairns, Queensland, Australia, Nov. 25-27, 2015.

Journal

  1. Masaki Watanabe, Hironori Sahara, Shinsuke Abe, Takeo Watanabe, Yuta Nojiri, Lena Okajima, "Development of Artificial Meteor for Observation of Upper Atmosphere," Acta Astronautica, 121 (2016) pp. 172-178, 2016. DOI:10.1016/j.actaastro.2016.01.004.　

2014

International Conference

  1. Takeshi Sakuma, Hironori Sahara, "Development of Integrated Propulsion System Based on Hydrogen Peroxide for Microsatellite," Space Propulsion 2014, SP2014-2980490, Cologne, Germany, May 19-22, 2014.
  2. Takehiro Ohira, Takeshi Sakuma, Hironori Sahara, "Development of Mono/Bi-Propellant Propulsion System for Microsatellites and Planning of Space Demonstration," 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference (AIAA Propulsion and Energy 2014), AIAA-2014-3793, Cleveland, Ohio, USA, July 28-30, 2014.
  3. Masaki Watanabe, Hironori Sahara, Takeo Watanabe, Shinsuke Abe, Yuta Nojiri, Lena Okajima, "Research and Development of Mass Driver for Microsatellite," 65th International Astronautical Congress, IAC-14.B4.2.7, Toronto, Canada, Sep. 29 - Oct. 3, 2014.

Journal

  1. Hironori Sahara, "Evaluation of a Satellite Constellation for Active Debris Removal," Acta Astronautica 105 (2014), Issue 1, pp. 136-144, December 2014.

2013

International Conference

  1. Shutaro Nishikizawa, Takehiro Ohira, Hironori Sahara, Naoki Miyashita, Yusuke Kuramoto, "Performance Test of Mono-Propellant Propulsion System for a Japanese Microsatellite 'Hodoyoshi-1'," 29th International Symposium on Space Technology and Science, 2013-a-01, June 3, 2013.
  2. Keita Watanabe, "Concept of Data Link Satellite for Deep Space Networks," 29th International Symposium on Space Technology and Science, 2013-s-69-j, June 6, 2013. Hironori Sahara, "Systems Engineering for Microsatellites," 6th International Workshop on Remote Sensing and Environmental Innovations in Mongolia, Mongolia, June 10, 2013.
  3. Hironori Sahara, "Systems Engineering for Microsatellites," 6th International Workshop on Remote Sensing and Environmental Innovations in Mongolia, Mongolia, June 10, 2013.
  4. Hironori Sahara, Kenji Nakajima, Takehiro Oohira, Yasuo Arai, Mitsuhiro Masuda, "Students Leartn Systems Engineering by Do-It-Themselves Trial and Error Using CanSat," 6th International Workshop on Remote Sensing and Environmental Innovations in Mongolia, Mongolia, June 10 - 11, 2013.
  5. Kentaro Nishi, Hironori Sahara, "History and Current Status of Japanese CanSat," 6th International Workshop on Remote Sensing and Environmental Innovations in Mongolia, Mongolia, June 10 - 11, 2013.
  6. Shutaro Nishikizawa, Takehiro Ohira, Hironori Sahara, "Development of Mono/Bi-Propellant Propulsion System and Planning of Space Demonstration," 49th AIAA/ASME/SAE/ASEE Joint Porpulsion Conference and Exhibit, LP-14, Liquid Rocket Engines II, July 16, 2013.
  7. Hironori Sahara, "Overview on Japanese Space Education Activities," 2nd EOSA-RTC Symposium, Namibia, July 24, 2013.
  8. Kentaro Nishi, Mitsuhiro Masuda, Hironori Sahara, Yuichiro Ezoe, Naoki Isobe, Takayoshi Kohmura, Norihide Miyamura, "Development of Binary Black Hole Observation Satellite 'ORBIS'," 5th Nano-Satellite Symposium, Novel Missions and Applications 1, November 20, 2013.
  9. Ayumu Tokaji, Shinichi Nakasuka, Yasuyuki Miyazaki, Hironori Sahara, Rei Kawashima, Kei-ichi, Takashi Kondo, Masayasu Matsui, Takeshi Matsumoto, Naomi Kurahara, "Global Water Level Monitoring for Disaster Mitigation Using Data Collection Function of Micro-satellites," 5th Nano-satellite Symposium, Novel Missions and Applications 2, November 21, 2013.

2012

International Conference

  1. Shutaro Nishikizawa, Hironori Sahara, Naoki Miyashita, Yusuke Kuramoto, "Development of Mono-Propellant Propulsion System for A Japanese Microsatellite 'Hodoyoshi-1'," 48th Joint Propulsion Conference and Exhibit, Atlanta, Georgia, USA, July 29 - August 1, 2012.
  2. Hironori Sahara, Emiko Ando, "CanSat Leader Training Program (CLTP) Report," 4th UN/Japan Nano-Satellite Symposium, Nagoya, Japan, October 10 - 13, 2012.
  3. Naoki Isobe, Hironori Sahara, Mitsuhiro Masuda, and ORBIS team, "Probing into An X-ray Periodicity from Active Galactic Nuclei, as A Signature of A Super Massive Binary Black Hole System," Workshop on Binary Black Holes and Dual AGN, November 29 - 30, 2012.

Journal

  1. Ryosuke Ishii, Hironori Sahara, "Current State and Future Forecast for Microsatellites Based on Success and Failure Analysis of Their Space Missions," Journal of the Japan Society for Aeronautical and Space Sciences (in Japanese), Vol. 60 (2012)，No. 2, pp. 65-73, 2012．
  2. Ryosuke Ishii, Hironori Sahara, Seiko Shirasaka, “Trend Analysis of Errors on Japanese microsatellites of University,” Transaction of The Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, ISTS Special Issue: Selected papers from the 28th International Symposium on Space Technology and Science), Vol. 10 (2012), No. ists28, Tt_1 - Tt_6, 2012.
  3. Ryosuke Ishii, Yukiya Hanada, Toru Sugiyama, Sota Inomata, Hironori Sahara, “A Method of Quantitative Evaluation of Architecture and Systematic Resource Allocation in Definition Phase of microsatellite Development,” UNISEC Space Takumi Journal, Vol. 2, No. 3, pp. 27-38, June 1, 2012.
  4. Takeo Watanabe, Hironori A. Fujii, Tairo Kusagaya, Hironori Sahara, Hirohisa Kojima, Shoichiro Takehara, Yoshiki Yamagiwa, Susumu Sasaki, Takumi Abe, Koji Tanaka, Kyoichiro Oyama, Takuji Ebinuma, Les Johnson, George V. Khazanov, Juan R. Sanmartin, Mario Charro, Michiel Kruijff, Erik J. van der Heide, Binyamin Rubin, Francisco J. Garcia de Quiros, Pavel M. Trivailo, Paul Williams, "T-REX: Bare Electro-Dynamic Tape-Tether Technology Experiment on Sounding Rocket S520," Journal of Space Technology and Science, Vol. 26, No. 1, 2012 spring.

2011

International Conference

  1. Nobuyoshi Suzuki, Hironori Sahara, Hideshi Kagawa, Ideo Masuda, Mitsuharu Kusama, "Performance Test of Mono-Propellant Propulsion System Based on Hydrogen Peroxide for Microsatellite," 28th International Symposium on Space Technology and Science, 2011-a-27, June 5 ? 12, 2011.
  2. Koji Nagasawa, Yoshiki Sugawara, Nobuyuki Kobayashi, Hironori Sahara, "Attitude Determination Method Using Shape Image of Heavenly Body with Phase," 28th International Symposium on Space Technology and Science, 2011-d-06, June 5 ? 12, 2011.
  3. Kazuhisa Yohda, Hironori Sahara, "Optimizing Space Trajectories of Small Satellites Using Two Propulsions," 28th International Symposium on Space Technology and Science, 2011-d-47, June 5 ? 12, 2011.
  4. Student Session: Yoshinobu Okano, "Prospective Equilibrium Point Control of Spin Axis of Spin Spacecraft by Using Solar Radiation Pressure," 28th International Symposium on Space Technology and Science, 2011-d-73s, June 5 ? 12, 2011.
  5. Tasuku Asanuma, Hironori Sahara, "Research of Environmentally-Isolated Capsule (EIC) for Microsatellite," 28th International Symposium on Space Technology and Science, 2011-f-31, June 5 ? 12, 2011.
  6. Hironori Sahara, Satoshi Hosoda, Yoshiki Sugawara, Masakatsu Nakano, Shinichi Nakasuka, "Establishment of "Needs Database" for Continuous Exploration of Space Utilizations via Ig Satellite Design Contest," 28th International Symposium on Space Technology and Science, 2011-f-32, June 5 ? 12, 2011.
  7. Ryosuke Ishii, Hironori Sahara, Seiko Shirasaka, "Trend Analysis of Errors on Japanese Microsatellites of University," 28th International Symposium on Space Technology and Science, 2011-t-05, June 5 ? 12, 2011.
  8. Yoshihide Uchida, Hironori Sahara, "Relation between Cost and Reliability on Test Phase of Satellite Development," 28th International Symposium on Space Technology and Science, 2011-t-08, June 5 ? 12, 2011.
  9. Toru Sugiyama, Sota Inomata, Yukiya Hanada, Ryosuke Ishii, Yoshihide Uchida, Hironori Sahara, Seiko Shirasaka, "A Method of Quantitative Evaluation of Architecture in Microsatellite System with Reasonable Reliability Model," 28th International Symposium on Space Technology and Science, 2011-t-09, June 5 ? 12, 2011.
  10. Collaborative Study: Norizumi Motooka, Takayuki Yamamoto, Osamu Mori, Yoshihiro Kishino, Yoshinobu Okano, Jun’ichiro Kawaguchi, "Microgravity Evaluation of Advantages of Porous Metal in the Gas-Liquid Equilibrium Thruster for Small Spacecraft," 28th International Symposium on Space Technology and Science, 2011-b-17, June 5 ? 12, 2011.
  11. Nobuyoshi Suzuki, Hironori Sahara, "Ignition Test of Bi-Propellant Propulsion System Based on Green Propellants for Microsatellite," 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, AIAA-2011-5771, July 31 ? Aug. 3, 2011.
  12. Sota Inomata, Toru Sugiyama, Yukiya Hanada, Hironori Sahara, "System Architecture of Functionally-Distributed Mirosatellite Standard Bus," 5th Asia-Pacific Conference on Systems Engineering (APCOSE 2011), Seoul, Korea, October 19-21, 2011.
  13. Yukiya Hanada, Sota Inomata, Toru Sugiyama, Hironori Sahara, "A Systematic Analytical Approach for Resource Allocation in Definition Phase of Satellite Development," 5th Asia-Pacific Conference on Systems Engineering (APCOSE 2011), Seoul, Korea, October 19-21, 2011.
  14. Toru Sugiyama, Sota Inomata, Yukiya Hanada, Ryosuke Ishii, Yoshihide Uchida, Hironori Sahara, Seiko Shirasaka, "A Method of Quantitative Evaluation and a proposal of Feasible Architecture in Microsatellite System with Reasonable Reliability," 5th Asia-Pacific Conference on Systems Engineering (APCOSE 2011), Seoul, Korea, October 19-21, 2011.
  15. Yoshinobu Okano, Yuichi Tsuda, Ryu Funase, Hironori Sahara, Yuya Mmimasu, "FEM-Based Evaluation of Solar Radiation Pressure Effect for Spinning Spacecraft," 62nd International Astronautical Congress 2011 (IAC2011), IAC-11-C1.5.11, Cape Town, Republic of South Africa, October 3-7, 2011.
  16. Ryosuke Ishii, Yukiya Hanada, Toru Sugiyama, Sota Inomata, Hironori Sahara, "A Method of Quantitative Evaluation of Architecture and Systematic Resource Allocation in Definition Phase of Microsatellite Development," 1st UNISEC Space Takumi Conference, UNISEC2011-6, UNISEC WORKSHOP 2011, Kitakyushu, Japan, December 10, 2011.
  17. Ryosuke Ishii, Kazuhisa Yooda, Yoshihide Uchida, Yusuke Wakabayashi, Mitsuhiro Masuda, Ryo Kawahata, Shutaro Nishikizawa, Yasuo Arai, Keita Watanabe, Hironori Sahara, "Development of Standard Bus for Science Mission on Binary Black Hole Observation Satellite ‘ORBIS’," 3rd Nano-Satellite Symposium, Kitakyushu, Japan, December 12-14, 2011.

Journal

  1. Kazuhisa Yohda，Hironori Sahara，"Initiative of Zero Debris Collision Area with Impulsive Rendezvous," Journal of the Japan Society for Aeronautical and Space Sciences (in Japanese), Vol. 59 (2011)，No. 694, pp. 313-314, 2011．
  2. Yoshiki Yamagiwa，Akeru Takagi，Takanori Yoshimura，Makoto Matsui，Koji Tanaka，Takumi Abe，Hironori Sahara，Hironori Fujii，"Verification Experiment of Bare Electrodynamic Tether Operation and Charged Particle Collection Theory by Using Sounding Rocket," Aerospace Technology Japan (in Japanese)，Vol. 11 (2012), No. 0, pp. 7 ? 14, 2012．
  3. Hironori Sahara，Takeo Watanabe，Akihito Watanabe，Hiroaki Ito，"Development of Inflatable Extention Boom and Demonstration in S-520-25　Sounding Rocket，" Aerospace Technology Japan (in Japanese)，Vol. 11 (2012), No. 0, pp. 15 ? 22, 2012．

2010

International Conference

  1. Hironori Sahara, Nobuyoshi Suzuki, "Generalized Mono/Bi-Propellant Propulsion System for Microsatellite Based on Non-Toxic Propellant Technology," 46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, AIAA-2010-6805, July 25-28, 2010.
  2. Yoshinobu Okano, Hironori Sahara, Ryu Funase, "Prospective 3-Axis Attitude Control using Solar Radiation Pressure," 18th IFAC Symposium on Automatic Control in Aerospace, P11, September 6-10, 2010.
  3. Hironori Sahara, Takanori Toraya, Sota Inomata, Nobuyoshi Suzuki, Yukiya Hanada, "Technologies for Microsatellite on Disturbance Suppression, Propulsion, and Reliability Assessment," 61st International Astronautical Congress, IAC-10.B4.6A.7, September 27 ? October 1, 2010.

Journal

  1. Shinichi Nakasuka, Nobutada Sako, Hironori Sahara, Yuya Nakamura, Takashi Eishima, Mitsuhito Komatsu, "Evolution from education to practical use in University of Tokyo’s nano-satellite activities," Acta Astronautica, Volume 66, Issues 7-8, April-May 2010, p. 1099-1105.
  2. Hironori Sahara，Nobuyoshi Suzuki，"Compatibility of COTS Bladder for Propulsion Based on Hydrogen Peroxide," Aerospace Technology Japan (in Japanese),Vol. 9, pp. 57-62, 2010.
  3. Yoshiki Yamagiwa, Atsushi Kanbe, Masaru Wakatsuki, Kouji Tanaka, Makoto Sumino, Takeo Watanabe, Hironori Sahara, Hironori A. Fujii, "Current Collection Experiment of Bare Electrodynamic Tether Using Sounding Rocket," Transaction of The Japan Society for Aeronautical And Space Sciences, Aerospace Technology Japan, Vol. 8 (2010), ists27, Tb_5-Tb_10, 2010.
  4. Hironori Sahara, Tatsuya Ide, "Generalized System of Mono- and Bi-Propellant Propulsion for Microsatellite," Transaction of Japan Society for Aeronautical and Space Sciences, Space Technology Japan, Vol. 8 (2010), No. ists27, pp. Pf_7 ? Pf_12, 2010.
  5. Hironori Sahara, Satoshi Hosoda, Yoshiki Sugawara, Masakatsu Nakano, Shinichi Nakasuka, "Proposal of ‘Ig Satellite Design Contest’ and Its Expected Effect," Transaction of Japan Society for Aeronautical and Space Sciences, Space Technology Japan, Vol. 8 (2010), No. ists27, pp. Tu_1 ? Tu_4, 2010.

2009

International Conference

  1. Hironori Sahara, Tatsuya Ide, "Generalized System of Mono- and Bi-Propellant Propulsion for Microsatelite," 27th International Symposium on Space and Technology Science, ISTS2009-f-08, Tsukuba, Japan, June 5-12, 2009.
  2. Hironori Sahara, Satoshi Hosoda, Yoshiki Sugawara, Masakatsu Nakano, Shinichi Nakasuka, "Proposal of "Ig Satellite Design Contest" and Its Expected Effect," 27th International Symposium on Space and Technology Science, ISTS2009-u-10, Tsukuba, Japan, June 5-12, 2009.
  3. Yoshiki Yamagiwa, Atsushi Kanbe, Masaru Wakatsuki, Kouji Tanaka, Makoto Sumino, Takeo Watanabe, Hironori Sahara, Hironori Fujii, "Current Collection Experiment of Bare Electrodynamic Tether Using Sounding Rocket," 27th International Symposium on Space and Technology Science, ISTS2009-b-56, Tsukuba, Japan, June 5-12, 2009.
  4. Takeo Watanabe, Hironori Fujii, Tomoya Mazawa, Masahiro Sukekawa, Hirohisa Kojima, Hironori Sahara, "Experiments of Electro Dynamic Tether System Using Bare Tape Tether and Development of the Tape Tether Deployer," 27th International Symposium on Space and Technology Science, ISTS2009-c-31, Tsukuba, Japan, June 5-12, 2009.
  5. Hironori Sahara, Masahiro Sukekawa, Takeo Watanabe, Ryuichi Hagioka, Yuji Ohtaka, Yota Kotake, Takumi Asanuma, Nobuyoshi Suzuki, Shohei Suzuki, Naoki Ohte, Kohei Takada, Tsuyoshi Fueda, Hirohisa Kojima, "Development of Deployed Tape Tether Length Sensors for S520-25th Project," International Seminar on System Design (ISSD 2009), Tokyo, Japan, November 4-6.

Journal

  1. Hironori Sahara, Shinichi Nakasuka, Chisato Kobayashi, "Generalized Propulsion System for Microsatellite Based on Hydrogen Peroxide," Transactions of Japan Society for Aeronautical and Space Sciences, Space Technology Japan, Vol. 7, No. ists26, pp.Pa_13-Pa-19, 2009.
  2. Shinichi Nakasuka, Kei Senda, Akihito Watanabe, Takashi Yajima, Hironori Sahara, "Simple and Small De-orbiting Package for Nano-Satellites Using an Inflatable Balloon," Transaction of Japan Society for Aeronautical and Space Sciences, Space Technology Japan, Vol. 7, No. ists26, pp. Tf_31-Tf_36, 2009.

2008

International Conference

  1. Hironori Sahara, Shinichi Nakasuka, Chisato Kobayashi, "Generalized Propulsion System for Microsatellite Based on Hydrogen Peroxide," 26th International Symposium on Space and Technology Science, ISTS2008-a-32, Hamamatsu, Japan, June 1-6, 2008.
  2. Shinichi Nakasuka, Ken Senda, Akihito Watanabe, Takashi Yajima, Hironori Sahara, "Simple and Small De-orbiting Package for nano-Satellites Using an Inflatable Balloon," 26th International Symposium on Space and Technology Science, ISTS2008-f-23, Hamamatsu, Japan, June 1-6, 2008.
  3. Hironori Sahara, Shinichi Nakasuka, Chisato Kobayashi, "Generalized Propulsion System for Panel ExTension SATellite (PETSAT)," 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, AIAA-2008-4842, Hartford, CT, USA, July 21-23, 2008.
  4. Chisato Kobayashi, Shinichi Nakasuka, Hironori Sahara, Yoshiki Sugawara, Takanori Okada, Stephen Greenland, "Findings and Experience during the development of the modular microsatellite concept PETSAT," 59th International Astronautical Congress, IAC-08-B4.7.5, Glasgow, England, September 29 ? October 3, 2008.

Journal

  1. Yoshiki Sugawara, Hironori Sahara, Shinichi Nakasuka, Stephen Greenland, Takeshi Morimoto, Kanichi Koyama, Chisato Kobayashi, Hideaki Kikuchi, Takanori Okada, Hidenori Tanaka, "A satellite for demonstration of Panel Extension Satellite (PETSAT)," Acta Astronautica, Volume 63, Issues 1-4, July-August 2008, p. 228 ? 237.