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Also called USA 172 and DMSP 5D F16


Designation 28054 / 03048A
Launch date 18 Oct 2003
Country of origin United States
Mission Military: meteorology
Perigee/Apogee 850 km
Inclination 98.9°
Launch vehicle Titan 2 #25

First launch attempt was in Jan 2001. The satellite had problems with its IMU before launch (a navigation component), and delayed occured. Then a leak in the propulsion system was spotted. Later, problems with soldering joints inside the SSMIS were discovered.

Satellite and launch vehicle cost: $450 million

External resources

sat-index articles

Technical data

The main instrument is the Operational Linescan System (OLS) weather imager; it also carries sensors SSMIS (microwave imager and sounder), SSULI ultraviolet limb imager, SSUSI ultraviolet spectrographic imager and nadir airglow photometer, SSI/ES-3 thermal plasma instrument, and the SSJ/5 precipitating particle spectrometer as well as the SSF laser threat warning sensor.

S-band telemetry: 2222.47 MHz

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