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9 September 2019 Study on the feasibility of micro camera systems for asynchronous, gigantic satellite constellation
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Abstract
In this paper, a development approach is proposed for micro-camera systems that are dedicated to constellation operations of satellites. It is to take a regular practice and design the system based on traditional, professional optical layouts rather than simplifying configuration. LIBERO-1 and LIBERO-2 are the cameras under development to study whether the approach is feasible. LIBERO-1 is designed to have better than 1-m resolution in panchromatic spectral channel at the altitude of 500 km. It can support up to 6 multispectral channels and 12000 active pixels in swathwidth. The dimension is estimated to be within 20 cm x 20 cm x 30 cm, which is almost half the length of 1-m resolution cameras available in market. LIBERO-2 has better than 2-m resolution at 500 km altitude. It can also support up to 6 multispectral channels and 8000 active pixels in swathwidth. LIBERO-2 has a similar size to star sensors so that its dimension is 10 cm x 10 cm x 20 cm.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Youngwan Choi "Study on the feasibility of micro camera systems for asynchronous, gigantic satellite constellation", Proc. SPIE 11127, Earth Observing Systems XXIV, 111270Z (9 September 2019); https://doi.org/10.1117/12.2529090
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