Satellite DSP 22 (USA 176) (Defense Support Program) of Air Force

Name of Satellite, Alternate Names DSP 22 (USA 176) (Defense Support Program)
Country of Operator/Owner USA
Operator/Owner Air Force
Users Military
Purpose Early Warning
Class of Orbit GEO
Type of Orbit
Longitude of GEO (degrees) 103.84
Perigee (km) 35741
Apogee (km) 35832
Eccentricity 0.00107931161268132
Inclination (degrees) 1.41
Period (minutes) 1436.12
Launch Mass (kg.) 2380
Dry Mass (kg.)
Power (watts) 1485
Date of Launch 14-02-2004
Expected Lifetime 7-9 yrs.
Contractor Northrup Grumman (formerly TRW)
Country of Contractor USA
Launch Site Cape Canaveral
Launch Vehicle Titan 4B
COSPAR Number 2004-004A
NORAD Number 28158
Comments Infrared sensors to detect heat from missile and booster plumes against Earth´s background; detection capability of smaller missiles; improved warning of attack by short-range missiles against U.S. and allied forces.


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