# AEISS
*sensor . products*

KOMPSAT-3 sub-metre passive optical imaging payload for panchromatic and multispectral land observation.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: kari
- **sensor**: {"instrument_family":"passive-optical","measurement_principle":"passive","spectral_range_nm":{"min":450,"max":900},"spectral_band_count":5,"bands":[{"name":"Panchromatic","centre_nm":675,"fwhm_nm":450},{"name":"Blue","centre_nm":485,"fwhm_nm":70},{"name":"Green","centre_nm":560,"fwhm_nm":80},{"name":"Red","centre_nm":660,"fwhm_nm":60},{"name":"Near infrared","centre_nm":830,"fwhm_nm":140}],"gsd_m":{"native":0.7},"swath_km":15,"bit_depth":14}
- **entity type**: sensor
- **last verified date**: 2026-06-16
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: kari
- **attributes**: {"kind":"sensor","product_status":"operational","deployment_context":"orbital","manufacturer":"kari","description":"KOMPSAT-3 sub-metre passive optical imaging payload for panchromatic and multispectral land observation.","sensor":"{\"instrument_family\":\"passive-optical\",\"measurement_principle\":\"passive\",\"spectral_range_nm\":{\"min\":450,\"max\":900},\"spectral_band_count\":5,\"bands\":[{\"name\":\"Panchromatic\",\"centre_nm\":675,\"fwhm_nm\":450},{\"name\":\"Blue\",\"centre_nm\":485,\"fwhm_nm\":70},{\"name\":\"Green\",\"centre_nm\":560,\"fwhm_nm\":80},{\"name\":\"Red\",\"centre_nm\":660,\"fwhm_nm\":60},{\"name\":\"Near infrared\",\"centre_nm\":830,\"fwhm_nm\":140}],\"gsd_m\":{\"native\":0.7},\"swath_km\":15,\"bit_depth\":14}"}
- **technology**: optical-spectral-sensing
- **relevance**: in-scope

## Editorial
AEISS carries two documented name expansions: Advanced Earth Imaging Sensor System[^eoportal-kompsat3] and Advanced Electronic Image Scanning System.[^wmo-oscar-aeiss] It is the primary imaging payload of KOMPSAT-3 (Korea Multi-Purpose Satellite-3 / Arirang-3), launched on 2012-05-17 from Tanegashima Space Center.[^eoportal-kompsat3] This entry covers KOMPSAT-3 only; KOMPSAT-3A carries the separate AEISS-A instrument.

The instrument is a pushbroom imager delivering 0.7 m GSD in the panchromatic band (450-900 nm) and 2.8 m GSD across four multispectral bands: Blue (MS1, 450-520 nm), Green (MS2, 520-600 nm), Red (MS3, 630-690 nm), and Near-infrared (MS4, 760-900 nm).[^eoportal-kompsat3] Swath width is 15 km.[^eoportal-kompsat3] Imagery is acquired at 14-bit radiometric depth.[^eoportal-kompsat3] AEISS was developed with technical cooperation from EADS Astrium GmbH (Friedrichshafen).[^eoportal-kompsat3]

Pointing agility extends to 45 deg roll and 30 deg pitch, enabling off-nadir collection and same-pass stereo acquisition for digital elevation model generation.[^eoportal-kompsat3] Primary application domains include cartographic mapping, land cover classification, vegetation monitoring, disaster monitoring and damage assessment, and stereo-derived elevation products.[^eoportal-kompsat3][^wmo-oscar-aeiss] The satellite was operational as of December 2025.[^kari-kompsat3]

## Compositional position
- kompsat-3 (missions) --[mission_payloads]--> AEISS

## Sources
- [eoportal-kompsat3] | KOMPSAT-3 (Korea Multi-Purpose Satellite-3) / Arirang-3, eoPortal Directory | https://www.eoportal.org/satellite-missions/kompsat-3 | tier=community | accessed=2026-06-16
- [wmo-oscar-aeiss] | WMO OSCAR instrument record: AEISS | https://space.oscar.wmo.int/instruments/view/aeiss | tier=agency-doc | accessed=2026-06-16
- [kari-kompsat3] | KARI, KOMPSAT-3 / Arirang-3 | https://www.kari.re.kr/kor/contents/33 | tier=agency-doc | accessed=2026-06-16

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