NPP

NPOESS Preparatory Project, also called Suomi NPP

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General

Designation	37849 / 11061A
Launch date	28 Oct 2011
Country of origin	United States
Mission	Meteorology
Perigee/Apogee	833 km, sun-synchronous
Inclination	98.7°
Period	101 min
Launch vehicle	Delta 2 #357

Interim satellite to serve both civilian and military users while waiting for JPSS.

Tbe VIIRS instrument suffers a tungsten contamination which darkens the mirror.

sat-index articles

n2yo.com tracking

Technical data

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Specifications

Prime contractor	Ball Aerospace
Platform	BCP-2000
Mass at launch
Dry mass
Dimension
Solar array
Stabilization	3-axis
DC power
Design lifetime	7 years

Carries 5 main instruments (4 are new), including
ATMS (passive microwave radiometer)
Cross-track Infrared Sounder (CrIS)
Visible/Infrared Imager Radiometer Suite (VIIRS)
Ozone Mapping and Profiler Suite

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