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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."

Below are the color designations for each satellite status:

Status Green Yellow Orange Red Blue Blank
Meaning Operational (or capable of) Operational with limitations
(or Standby)		 Operational with Degraded Performance Not Operational Functional,
Turned Off		 No Status Reported

Suomi-NPP Spacecraft Status Summary


Spacecraft Letter:  SNPP International Designation:  2011-061A
Catalog Number:   37849 Launch Date:  10/28/2011
Operational Date:  5/1/2014 Operational Status:  PM Secondary back-up
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
CDP Command and Data Processor Green
COMM Communications Green
EPS Electrical Power System Green
GPS Global Positioning System Green
SCC Spacecraft Control Computer Green
TCC Telemetry, Command, & Control Green
TCS Thermal Control Subsystem Green
1394 VIIRS & CrIS Green
1553 ATMS & OMPS & CERES Green

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