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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[edit]

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[edit]

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[edit]

  1. ^ Navin, Joseph (11 October 2022). "JAXA Epsilon fails on sixth flight carrying RAISE-3 and others". NASASpaceFlight. Retrieved 12 October 2022.
  2. ^ "衛星えいせいアンテナ宇宙うちゅうで開あけ！高知こうち高だか専せん生せい考案こうあんの「ＫＯＳＥＮ―２」搭載とうさい １０／７打うち上あげへ". The Kochi Shimbun (in Japanese). October 4, 2022. Retrieved 2022-10-10.
  3. ^ a b "超ちょう高こう精度せいど姿勢しせい制御せいぎょと指向しこう性せいアンテナを用もちいた海洋かいよう観測かんそくデータ収集しゅうしゅう技術ぎじゅつの実証じっしょうを行おこなう" (in Japanese). JAXA. Retrieved 2022-10-10.
  4. ^ "6高だか専せんによる超ちょう小型こがた衛星えいせいがJAXA「革新かくしん的てき衛星えいせい技術ぎじゅつ実証じっしょう3号機ごうき」に搭載とうさいされる実証じっしょうテーマに選定せんていされました" (Press release) (in Japanese). National Institute of Technology, Yonago College. June 17, 2020. Retrieved October 12, 2022.
  5. ^ Kakihana, Masahiro (July 31, 2020). "超ちょう小型こがた衛星えいせい「KOSEN―2」宇宙うちゅうへ 6高だか専せんが共同きょうどう開発かいはつ". The Asahi Shimbun (in Japanese). Retrieved 2022-10-12.

External links[edit]

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