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Deployable Camera (DCAM3) System for Observation of Hayabusa2 Impact Experiment

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Abstract

An asteroid exploration probe “Hayabusa2”, that was developed by Japan Aerospace Exploration Agency (JAXA), was launched on December 3rd, 2014 to challenge complicated and accurate operations during the mission phase around the C-type asteroid 162137 Ryugu (1999 JU3) (Tsuda et al. in Acta Astron. 91:356–362, 2013). An impact experiment on a surface of the asteroid will be conducted using the Small Carry-on Impactor (SCI) system, which will be the world’s first artificial crater creation experiment on asteroids (Saiki et al. in Proc. International Astronautical Congress, IAC-12.A3.4.8, 2012, Acta Astron. 84:227–236, 2013a; Proc. International Symposium on Space Technology and Science, 2013b). We developed a new micro Deployable CAMera (DCAM3) system for remote observations of the impact phenomenon applying our conventional DCAM technology that is one of the smallest probes in space missions and gained a great success in past Japanese mission IKAROS (Interplanetary Kite-craft Accelerated by Radiation Of the Sun). DCAM3 is a miniaturized separable unit that contains two cameras and radio communication devices for transmission image data to the mothership “Hayabusa2”, and it observes the impact experiment at an unsafe region in where the “Hayabusa2” is difficult to stay because of a risk of exploding and impacting debris hitting. In this paper, we report details of the DCAM3 system and development results as well as our mission plan for the DCAM3 observation during the SCI experiment.

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Authors and Affiliations

  1. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1, Yoshinodai, Sagamihara, Kanagawa, 252-5210, Japan

    Hirotaka Sawada & Yuya Mimasu

  2. Department of Planetology, Graduate School of Science, Kobe University, 1-1, Rokkodai-cho, Nada-ku, Kobe, Hyogo, 657-8501, Japan

    Kazunori Ogawa

  3. School of Physical Sciences, Space and Astronautical Science, The Graduate University for Advanced Studies, 3-1-1, Yoshinodai, Sagamihara, Kanagawa, 252-5210, Japan

    Kei Shirai

  4. Department of Electrical Engineering, Faculty of Science & Technology, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba, 278-8510, Japan

    Shinichi Kimura & Yuichi Hiromori

Authors
  1. Hirotaka Sawada
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  2. Kazunori Ogawa
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  3. Kei Shirai
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  4. Shinichi Kimura
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  5. Yuichi Hiromori
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  6. Yuya Mimasu
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DCAM3 Development Team

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Correspondence to Hirotaka Sawada.

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Sawada, H., Ogawa, K., Shirai, K. et al. Deployable Camera (DCAM3) System for Observation of Hayabusa2 Impact Experiment. Space Sci Rev 208, 143–164 (2017). https://doi.org/10.1007/s11214-017-0337-9

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  • DOI: https://doi.org/10.1007/s11214-017-0337-9

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