Observation planning algorithm of a Japanese spaceborne sensor: Hyperspectral Imager Suite (HISUI)

Kenta Ogawa; Kayo Nishiwaki; Yukiko Konno; Tsuneo Matsunaga; Satoru Yamamoto; Osamu Kashimura; Tetsushi Tachikawa; Jun Tanii

doi:10.1117/12.2066810

22 October 2014 Observation planning algorithm of a Japanese spaceborne sensor: Hyperspectral Imager Suite (HISUI)

Kenta Ogawa, Kayo Nishiwaki, Yukiko Konno, Tsuneo Matsunaga, Satoru Yamamoto, Osamu Kashimura, Tetsushi Tachikawa, Jun Tanii

Author Affiliations +

Proceedings Volume 9241, Sensors, Systems, and Next-Generation Satellites XVIII; 92410V (2014) https://doi.org/10.1117/12.2066810
Event: SPIE Remote Sensing, 2014, Amsterdam, Netherlands

Abstract

Hyperspectral Imager Suite (HISUI) is a Japanese future spaceborne hyperspectral instrument being developed by Ministry of Economy, Trade, and Industry (METI) and will be launched in 2016 or later. HISUI’s operation strategic study is described in this paper. In HISUI project, Operation Mission Planning (OMP) team will make long- and short-term observation strategy of the sensor. OMP is important for HISUI especially for hyperspectral sensor with narrow swath of 30 km. There are two major limitations on the operation of HISUI Hyperspectral Imager.　The first one is the maximum observation time per orbit. This is due to the cooling systems of the instrument to keep the instruments temperature within the design requirements. The maximum observation time per orbit is set to 15 minutes as the current baseline. The second one is maximum data downlink amount per day. This is a limitation given by communication link of the satellite bus and heavily depends on the operation of the platform satellite. The current baseline is 150 GB per day for hyperspectral sensor and 550 GB for multispectral sensor. We have developed observation coverage simulation program and studied the relationship between the limitations of sensor operation and the planned observation scenarios. The achievements of global mapping or regional monitoring need to be simulated precisely before launch. We have prepared daily global high resolution (30 second in latitude and longitude) cloud coverage data. The results of the simulations shows that HISUI will be able to acquire cloud free image of about 70 % of the terrestrial surface in three years (at the condition of 150 GB/day downlink rate).

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Kenta Ogawa, Kayo Nishiwaki, Yukiko Konno, Tsuneo Matsunaga, Satoru Yamamoto, Osamu Kashimura, Tetsushi Tachikawa, and Jun Tanii "Observation planning algorithm of a Japanese spaceborne sensor: Hyperspectral Imager Suite (HISUI)", Proc. SPIE 9241, Sensors, Systems, and Next-Generation Satellites XVIII, 92410V (22 October 2014); https://doi.org/10.1117/12.2066810

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KEYWORDS

Sensors

Hyperspectral imaging

Imaging systems

Clouds

Data modeling

Data acquisition

Satellites

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