# Geostationary Ocean Color Imager II (GOCI-II)
*sensor . products*

Geostationary ocean-colour instrument flown on GEO-KOMPSAT-2B.

## Specifications
- **manufacturer**: airbus-ds
- **product status**: operational
- **deployment context**: orbital
- **sensor**: {"instrument_family":"passive-optical","measurement_principle":"passive","spectral_range_nm":{"min":380,"max":900},"spectral_band_count":13,"gsd_m":{"native":250},"swath_km":2500}
- **entity type**: sensor
- **last verified date**: 2026-06-16
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: airbus-ds
- **attributes**: {"kind":"sensor","manufacturer":"airbus-ds","product_status":"operational","deployment_context":"orbital","description":"Geostationary ocean-colour instrument flown on GEO-KOMPSAT-2B.","sensor":"{\"instrument_family\":\"passive-optical\",\"measurement_principle\":\"passive\",\"spectral_range_nm\":{\"min\":380,\"max\":900},\"spectral_band_count\":13,\"gsd_m\":{\"native\":250},\"swath_km\":2500}"}
- **relevance**: in-scope

## Editorial
Geostationary Ocean Color Imager II is a passive optical geostationary ocean-colour multispectral imager mounted on GEO-KOMPSAT-2B.[^nosc-goci-ii][^ioccg-goci-ii] It has 13 bands, 250 m local-area spatial resolution and 2500 km x 2500 km local-area coverage.[^nosc-goci-ii][^ioccg-goci-ii] The primary listed bands span 380-865 nm, with a wide 483 nm channel for image navigation and registration; spectral coverage is also summarized as 380-900 nm.[^nosc-goci-ii][^ioccg-goci-ii] GOCI-II supports hourly local-area imaging during the daylight UTC window and daily full-disk coverage, with 10 daily Korean Peninsula observations described for the mission payload.[^nosc-goci-ii][^kari-goci-ii] Its demonstrated use includes ocean-colour water-leaving radiance retrieval on GEO-KOMPSAT-2B.[^nosc-goci-ii] Application areas include ocean colour, chlorophyll, CDOM, turbidity and suspended sediment, red and green algae, oil pollution and fisheries-environment monitoring.[^nosc-goci-ii][^kari-goci-ii] The geostationary viewing geometry is the main differentiator for buyers needing intraday coastal-water dynamics rather than global polar-orbit revisit.

## Compositional position
- geo-kompsat-2b (missions) --[mission_payloads]--> Geostationary Ocean Color Imager II (GOCI-II)

## Sources
- [nosc-goci-ii] | National Ocean Satellite Center GK-2B GOCI-II overview | https://www.nosc.go.kr/eng/boardContents/actionBoardContentsCons0024.do%3Bjsessionid%3DFC9DCEB83F56A0C24AF6F51AD5D372B3.noscwasroute12 | tier=agency-doc | accessed=2026-06-16
- [ioccg-goci-ii] | IOCCG GOCI-II sensor record | https://ioccg.org/sensor/goci-2/ | tier=community | accessed=2026-06-16
- [kari-goci-ii] | KARI Marine Payload (GOCI) | https://kari.re.kr/eng/contents/174 | tier=agency-doc | accessed=2026-06-16

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Source: https://eo-atlas.org/products/sensor/goci-ii
Maintainer: SpectraWorks B.V. (CC-BY 4.0)