NOAA Office of Satellite and Product Operations

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SNPP Operational Status

Welcome to the Suomi-National Polar-Orbiting Operational Environmental Satellite System Preparatory Project (Suomi-NPP or SNPP) spacecraft status page. SNPP is a joint effort between the National Aeronautics Space Administration (NASA) and the NPOESS Integrated Program Office (IPO). NASA renamed NPP in honor of the late Verner E. Suomi, a meteorologist at the University of Wisconsin who is recognized widely as "the father of satellite meteorology."

Suomi-NPP Spacecraft Status Summary

International Designation:  2011-061A Operational Status:  Operational
Catalog Number:   37849 Operational Status:  PM Primary
Launch Date:  10/28/2011 Operational Date:  5/1/2014
LTAN:   13:30:00 Inclination Angle:  98.79 deg
Altitude:  833km Period:   101.44 (minutes)

Subsystem Status:

Subsystem Description Status
ADCS Attitude Determination and Control Subsystem GREEN
ATMS Advanced Technology Microwave Sounder GREEN
CDH Command and Data Handling GREEN
CERES Clouds and the Earth's Radiant Energy System GREEN
COMM Communications GREEN
CrIS Cross-track Infrared Sounder GREEN
EPDS Electrical Power and Distribution System GREEN
FSW Flight Software GREEN
OMPS Ozone Mapping and Profiler Suite GREEN
PROP Propulsion Subsystem GREEN
TCS Thermal Control Subsystem GREEN
VIIRS Visible Infrared Imaging Radiometer Suite GREEN

System History

Date Time Component Description
05/1/2014   SNPP became Prime PM Mission.