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NPP is classified as:

NORAD ID: 37849
Int'l Code: 2011-061A
Perigee: 832.7 km
Apogee: 835.3 km
Inclination: 98.7 °
Period: 101.4 minutes
Semi major axis: 7205 km
RCS: 6.234 m2 (large)
Launch date: October 28, 2011
Source: United States (US)

NASA launched the National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, on Oct. 28, 2011, from Vandenberg Air Force Base in California. NPP was renamed Suomi National Polar-orbiting Partnership, or Suomi NPP. The satellite is the first designed to collect critical data to improve short-term weather forecasts and increase understanding of long-term climate change.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 37849U 11061A   16296.90220880 +.00000023 +00000-0 +31485-4 0  9993
2 37849 098.7094 233.1312 0001834 095.7184 310.1667 14.19546615258433
Source of the keplerian elements: AFSPC