Wataru Torii

ORCID: 0009-0004-1004-1348
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About
Contact & Profiles
Research Areas
  • Spacecraft Design and Technology
  • Planetary Science and Exploration
  • Space Satellite Systems and Control
  • Astro and Planetary Science
  • Spacecraft and Cryogenic Technologies
  • Geomagnetism and Paleomagnetism Studies
  • Spacecraft Dynamics and Control
  • Rocket and propulsion systems research
  • Advanced Scientific Research Methods
  • Space exploration and regulation
  • Industrial Technology and Control Systems

Japan Aerospace Exploration Agency
2020-2024

Institute of Space and Astronautical Science
2019-2021

Lockheed Martin (United States)
2019

Osaka University
2016

EQUULEUS (EQUilibriUm Lunar-Earth point 6U Spacecraft) will be the world's smallest spacecraft to explore Earth-Moon Lagrange point. It is being jointly developed by JAXA (Japan Aerospace Exploration Agency) and University of Tokyo, launched NASA's Space Launch System Mission-1. The fly a libration orbit around L2 (EML2) demonstrate low-energy trajectory-control techniques within Sun-Earth-Moon region for first time nano-class spacecraft. also carries three scientific observation missions:...

10.1109/maes.2019.2955577 article EN IEEE Aerospace and Electronic Systems Magazine 2020-03-01

The 6U CubeSat "OMOTENASHI," which is due to be launched in 2020 by NASA's Space Launch System, will the world's smallest moon lander. Its main mission present possibility of nanomoon landers enable distributed multipoint lunar exploration and participation commercial sector. severe mass size limitations OMOTENASHI make a soft landing on surface impossible, so instead semihard scheme has been adopted. That is, small solid rocket motor decelerate spacecraft around 50 m/s, followed use shock...

10.1109/maes.2019.2923311 article EN IEEE Aerospace and Electronic Systems Magazine 2019-09-01

OMOTENASHI is a CubeSat that will be launched by NASA SLS rocket in 2020. Its mission to demonstrate can make semi-hard landing on the Moon.The 6U-size spacecraft consists of an orbiting module (OM), motor (RM) for deceleration Moon, and surface probe (SP) as module. The prove successful upon sending information accelerometer mounted back Earth. This presentation has outlined design process on-orbit separation mechanism spacecraft. Numerical simulations experimental results used are also presented.

10.2514/6.2020-1434 article EN AIAA SCITECH 2022 Forum 2020-01-05

10.5220/0005664801740181 article EN Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies 2016-01-01

OMOTENASHI is a CubeSat that will be launched by NASA SLS rocket. Its mission to demonstrate can make semi-hard landing on the Moon. The 6U-size spacecraft, which weighs 12.6kg, and consists of an orbiting module (OM), rocket motor (RM) for deceleration approach moon, surface probe (SP) as module. Under tight resource constraints, unique structure separation mechanism designed small space low mass. A validity these designs has been verified through vibration test. margin safety under launch...

10.2322/astj.20.59 article EN AEROSPACE TECHNOLOGY JAPAN THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2021-01-01

This paper describes a separation experiment conducted at extremely high spin rates for OMOTENASHI, being developed as the world's smallest Moon lander. The validated method used in landing sequence and tipoff impulse was estimated from motion of separated object. study showed that increases superlinearly rate region. information is indispensable determining operational OMOTENASHI orbit. described this can be applied widely to experiments small spinning satellites rocket stages.

10.2322/tastj.19.453 article EN TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN 2021-01-01

OMOTENASHI is a CubeSat that will be launched by NASA SLS rocket. Its mission to demonstrate can make semi-hard landing on the Moon. The 6U-size spacecraft consists of an orbiting module (OM), rocket motor (RM) for decelerating, and surface probe (SP) module. prove successful when accelerometer mounted SP sends its information back Earth. Under tight resource constraints, unique mechanism was designed separating RM from OM, based small volume low mass. function has been verified through...

10.2322/tastj.19.629 article EN TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN 2021-01-01
Peter Willett Daniel O'hagan Maria Sabrina Greco Aess Aess-Judy Scharmann and 95 more Fulvio Gini Samuel Shapero Michael Braasch Lorenzo Lo Tutorials-W Dale Blair Judy Scharmann Scott Bawden Erik Blasch Roberto Sabatini Avionics Systems Dietrich Fraenken-Fusion Mihaylova-Target Tracking Mauro De Sanctis-Signal Jason Gross-Navigation Giancarmine Fasano-Unmanned Daniel O'hagan-Radar Richard Linares-Space Catherine Sciver Antonio J. Ricco Sergio R. Santa Maria Robert Hanel Sharmila Bhattacharya Teresa Lockett Julie Castillo‐Rogez L Johnson Joe Matus Ryu Funase Satoshi Ikari Yusuke Kawabata S. Nakajima Shuhei Nomura Nobuhiro Funabiki A Ishikawa K. Kakihara Sachiko Matsushita Ryohei Takahashi K. Yanagida Daisuke Mori Yusuke Murata T. Shibukawa Ryo Suzumoto Masahiro Fujiwara Kengo Tomita Hiroki Aohama Koichi Iiyama Sho Ishiwata Hayato Kondo Wataru Mikuriya H. Seki Hiroyuki Koizumi Jun Asakawa Keita Nishii Akira Hattori Yuji Saito Kenji Kikuchi Ichiro Yoshikawa Kazuo Yoshioka R Hikida Shogo Arao Kenta Miyoshi Yuta Kobayashi Atsushi Tomiki Wataru Torii Taichi Ito Nobuaki Ozaki Nicola Baresi M Kuwabara Hajime Yano Takeshi Ikenaga Tatsuaki Hashimoto Stefano Campagnola Shinsuke Abe Ryota Fuse Y. Masuda B. A. Cohen P. O. Hayne B. T. Greenhagen D. A. Paige C. Seybold C. Hardgrove R. Starr I. Lazbin Alessandra Babuscia Bob Roebuck Jennifer L. DuBois Nathaniel Struebel A. Colaprete David Drake Erik B. Johnson James F. Christian L. E. Heffern Steve Stem Sean Parlapiano Anthony L. Genova David Dunham

10.1109/maes.2020.2982480 article EN IEEE Aerospace and Electronic Systems Magazine 2020-03-01
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