Abstract
The earth observation micro-satellite “TAIKI” is 50 kg satellite which has low-cost and small bus-subsystem. TAIKI is characterized by a low-cost spaceborne small hyperspectral sensor “HSC-III”. HSC-III is targeted at the performances of 30 m ground sampling distance, visible and near infrared wavelength range, 10 nm spectral resolutions, 61 spectral bands and 10 kg weight. HSC-III consists of the telescope, the imaging spectrometer, the electrical system, the on-orbital calibration equipment. The telescope has a pupil diameter of 0.2 m, and has two mirror configuration of Ritchey-Chretien type. The spectrometer has the transmitting grating with the slit and relay lens unit, and array sensor using back-illumination type CMOS image sensor. As a SNR model of HSC-III, we did some calculations and concluded that SNR is approximately 340. Last year, we succeeded to develop the breadboard model of HSC-III optics instrument, and we obtained result of more requirement specification. Also, we have developed the on-orbit spectral calibration equipment. It achieved 0.02 nm of spectral calibration accuracy.
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S. Satori, Yoshihide Aoyanagi, S. Nishizato, T. Totani, U. Hara, T. Yasunaka, A. Nakamura, Y. Takeuchi. “Development of Hyperspectral sensor for Hokkaido Satellite ‘TAIKI’,” Proceedings of the 59th IAC (International Astronautical Congress), Glasgow, Scotland, UK, Sept. 29 to Oct. 3, 2008.
B. Pamela, S., John, S., Carol. “Hyperion on-orbit validation of spectral calibration using atmospheric lines and an on-board system”, Proceedings of the SPIE, Vol. 4480, pp. 231–235, 2001.
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Aoyanagi, Y., Satori, S., Totani, T., Yasunaka, T., Nakamura, A., Takeuchi, Y. (2010). Development of Spaceborne Small Hyperspectral sensor HSC-III for Micro Satellite. In: Sandau, R., Roeser, HP., Valenzuela, A. (eds) Small Satellite Missions for Earth Observation. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03501-2_31
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DOI: https://doi.org/10.1007/978-3-642-03501-2_31
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