| Name of Satellite, Alternate Names | NPP (National Polar-orbiting Operational Environmental Satellite System [NPOESS]) |
| Country of Operator/Owner | USA |
| Operator/Owner | National Oceanographic and Atmospheric Administration (NOAA)/NASA |
| Users | Government |
| Purpose | Meteorology |
| Class of Orbit | LEO |
| Type of Orbit | Polar |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 827 |
| Apogee (km) | 827 |
| Eccentricity | 0 |
| Inclination (degrees) | 98.7 |
| Period (minutes) | 101.4 |
| Launch Mass (kg.) | 2128 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 28-10-2011 |
| Expected Lifetime | |
| Contractor | Ball Aerospace |
| Country of Contractor | USA |
| Launch Site | Vandenberg AFB |
| Launch Vehicle | Delta 2 |
| COSPAR Number | 2011-061A |
| NORAD Number | 37849 |
| Comments | Continues key data records that are critical for climate change science. |