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Sensor · Spaceborne

MODIS (Moderate Resolution Imaging Spectroradiometer)

Whiskbroom multispectral scanning spectroradiometer, 36 discrete bands from 405 to 14385 nm (visible through thermal infrared), daily global coverage at 250/500/1000 m GSD per band group. Two flight units: MODIS-Terra (launched December 1999, orbit drifted to about 9:06 AM equatorial crossing as of December 2025, power-constrained) and MODIS-Aqua (launched May 2002, in free-drift since December 2021, passivation scheduled Fall 2026; MODIS itself remains operational on both spacecraft). Built by Raytheon SBRS (formerly Hughes SBRS / Santa Barbara Research Center) under NASA contract, with NASA GSFC holding science leadership. Foundational input to global vegetation time-series and deforestation monitoring (MOD13Q1 NDVI/EVI, MCD64A1 burned area, MOD14 active fire).

Sensor

MODIS is a NASA whiskbroom multispectral scanning spectroradiometer flown on Terra and Aqua, with 36 spectral bands from 405 to 14385 nm and daily global coverage at 250 m, 500 m, and 1000 m band groups.[1] The instrument is a 12-bit system with a 2330 km swath and an optical design built around a scan mirror, telescope, and focal-plane assemblies for visible through thermal infrared measurements.[2][1] MODIS data products include vegetation indices, thermal anomalies and fire products, land-surface temperature and emissivity, and ocean colour products.[3][4] Aqua mission status pages identify MODIS as an Aqua instrument and maintain mission-status reporting for that spacecraft.[5]

Methodology Evidence Mission Citation
Vegetation-index mapping Demonstrated Terra [4]
Thermal-anomaly detection Demonstrated Terra [3]
LST and emissivity retrieval Demonstrated Terra [3]
Ocean-colour water-leaving radiance Demonstrated Aqua [3]
Operator pricing

Pricing not publicly listed by operator

Where this fits, supply chain

Compositional position

Aqua ——— this payload
Terra ——— this payload
this ——— Aqua (Degraded) flies on
this ——— Terra (Degraded) flies on
Demonstrated
Capable, undemonstrated

None on record.

Sources
Cite https://eo-atlas.org/products/sensor/modis Markdown twin → Field definitions →