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.
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
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
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 |
| Category | Parameter | Instrument(s) |
| Atmosphere | Aerosols | 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 |
| Land | Albedo and reflectance | VIIRS |
| Soil moisture | VIIRS |
| Vegetation | VIIRS |
| Surface temperature (land) | ATMS, VIIRS |
| Multi-purpose imagery (land) | VIIRS |
| Ocean | Ocean colour/biology | VIIRS |
| Ocean surface winds | ATMS |
| Surface temperature (ocean) | VIIRS |
| Multi-purpose imagery (ocean) | VIIRS |
| Snow & Ice | Snow cover, edge and depth | VIIRS |
| Sea ice cover, edge and thickness | ATMS, VIIRS |