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Proceedings Paper • Open Access

One year in orbit of the first Geostationary Ocean Colour Imager (GOCI)
Author(s): François Faure; Pierre Coste; Thierry Benchetrit; Gm Sil Kang; Han-dol Kim

Paper Abstract

Geostationary Ocean Colour Imager (GOCI) is the first Ocean Colour Imager to operate from a Geostationary Orbit. It was developed by Astrium SAS under KARI contract in about 3 years between mid 2005 and October 2008 and integrated on-board COMS satellite end 2008 aside the COMS Meteo Imager (MI). COMS satellite was launched in June 2010 and the in-orbit commissioning tests were completed in beginning of 2011.

The mission is designed to significantly improve ocean observation in complement with low orbit service by providing high frequency coverage. The GOCI is designed to provide multi-spectral data to detect, monitor, quantify, and predict short-term changes of coastal ocean environment for marine science research and application purpose. Target area for the GOCI observation in the COMS satellite covers a large 2500 x 2500 km2 sea area around the Korean Peninsula, with an average Ground sampling distance (GSD) of 500m, corresponding to a NADIR GSD of 360m.

The presentation will shortly recall the mission objectives and major instrument requirements, and then present the results of inorbit testing and validations. All functions and in particular the CMOS detector matrix operate nominally. Performances evaluated in orbit (SNR, MTF, etc.) show results above the requirements. Finally, in-orbit calibrations using the sun diffuser provide very satisfactory consistency with the ground characterisation. GOCI is now delivering operational products and proving the interest of Geo observation in the Ocean Colour applications

Paper Details

Date Published: 20 November 2017
PDF: 9 pages
Proc. SPIE 10564, International Conference on Space Optics — ICSO 2012, 1056409 (20 November 2017); doi: 10.1117/12.2309181
Show Author Affiliations
François Faure, Astrium Satellite (France)
Pierre Coste, Astrium Satellite (France)
Thierry Benchetrit, Astrium Satellite (France)
Gm Sil Kang, Korea Aerospace Research Institute (Korea, Republic of)
Han-dol Kim, Korea Aerospace Research Institute (Korea, Republic of)

Published in SPIE Proceedings Vol. 10564:
International Conference on Space Optics — ICSO 2012
Bruno Cugny; Errico Armandillo; Nikos Karafolas, Editor(s)

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