Suomi NPP Mission

Objectives and Applications

5-year nominal mission life. Operational polar weather and climate measurements. CrIS MWIR non-operational on Suomi NPP effective 12 July 2021.

Mission Summary

Full Name
Suomi National Polar-orbiting Partnership
aka NPP, S-NPP
Mission Status
Operational (extended)
Mission Agencies
Launch Date
28 Oct 2011
Mission Links
EOL Date
Dec 2028
EO Portal Info

Orbit Details

Orbit Type
Sun-synchronous
Orbit Period
101 minutes
Orbit Sense
Ascending
Orbit Inclination
98.7 deg
Orbit Altitude
824 km
Orbit Longitude
Orbit LST
13:30
Repeat Cycle
16 days
NORAD Catalog #
International Designator

Mission Instruments

ATMS - Advanced Technology Microwave Sounder
CERES - Cloud and the Earth's Radiant Energy System
CrIS - Cross-track Infrared Sounder
OMPS - Ozone Mapping and Profiler Suite
OMPS-L - Ozone Mapping and Profiler Suite Limb Profiler
VIIRS - Visible/Infrared Imager Radiometer Suite

Mission Measurements

CategoryParameterInstrument(s)
AtmosphereAerosols OMPS, OMPS-L, VIIRS
Atmospheric Humidity Fields ATMS, CrIS
Atmospheric Winds VIIRS
Cloud type, amount and cloud top temperature VIIRS
Cloud particle properties and profile ATMS, VIIRS
Liquid water and precipitation rate ATMS
Ozone OMPS, OMPS-L
Radiation budget CERES, VIIRS
Trace gases (excluding ozone) CrIS
Atmospheric Temperature Fields ATMS, CrIS, VIIRS
LandAlbedo and reflectance VIIRS
Soil moisture VIIRS
Vegetation VIIRS
Surface temperature (land) ATMS, VIIRS
Multi-purpose imagery (land) VIIRS
OceanOcean colour/biology VIIRS
Ocean surface winds ATMS
Surface temperature (ocean) VIIRS
Multi-purpose imagery (ocean) VIIRS
Snow & IceSnow cover, edge and depth VIIRS
Sea ice cover, edge and thickness ATMS, VIIRS