prisma

ASI hyperspectral satellite. ~250 spectral bands across 400–2500 nm at ~10 nm sampling. 30 m GSD, 30 km swath. Data freely accessible after registration at the ASI PRISMA portal; API access requires a user token issued post-registration. Companion mission to EnMAP (overlapping spectral range, same 30 m class). Primary uses: methane detection, mineralogy, vegetation stress, water quality.

Sensor	PRISMA VNIR-SWIR Imaging Spectrometer
Resolution	30m
Revisit (days)	29
STAC	—
GEE	—