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KOSEN-2

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KOSEN-2 is an educational nanosatellite jointly developed by eight schools of National Institute of Technology in Japan. The satellite would have tested IoT technologies in space. KOSEN-2 was launched on 12 October 2022 by an Epsilon rocket as part of the Innovative Satellite Technology Demonstration-3 mission, but the launch resulted in a failure and the satellite was lost.[1]

Overview

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KOSEN-2 was a 2U-size CubeSat developed by eight colleges of National Institute of Technology. After separating from the launch vehicle the satellite would have extended a directional antenna similar to a Yagi antenna. The directional antenna was designed by Kochi College.[2] Kagawa College was in charge of the communication system between the satellite and ground, Gifu College made the satellites's thermal design, Gunma College manufactured its attitude control system, and Tokuyama College manufactured parts using metal 3D printers.[3] The project was led by Masahiro Tokumitsu of Yonago College.[4]

Mission

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KOSEN-2 will would have used its accurate attitude control to point its directional antenna towards weather buoys. KOSEN-2 would have then received maritime data from the buoys and collect them.[3][5]

References

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  1. ^ Navin, Joseph (11 October 2022). "JAXA Epsilon fails on sixth flight carrying RAISE-3 and others". NASASpaceFlight. Retrieved 12 October 2022.
  2. ^ "衛星アンテナ宇宙で開け！高知高専生考案の「ＫＯＳＥＮ―２」搭載 １０／７打ち上げへ". The Kochi Shimbun (in Japanese). October 4, 2022. Retrieved 2022-10-10.
  3. ^ a b "超高精度姿勢制御と指向性アンテナを用いた海洋観測データ収集技術の実証を行う" (in Japanese). JAXA. Retrieved 2022-10-10.
  4. ^ "6高専による超小型衛星がJAXA「革新的衛星技術実証3号機」に搭載される実証テーマに選定されました" (Press release) (in Japanese). National Institute of Technology, Yonago College. June 17, 2020. Retrieved October 12, 2022.
  5. ^ Kakihana, Masahiro (July 31, 2020). "超小型衛星「KOSEN―2」宇宙へ 6高専が共同開発". The Asahi Shimbun (in Japanese). Retrieved 2022-10-12.
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