Satellite STSS Demo-1 (Space Tracking and Surveillance System Demonstrator) of Missile Defense Agency (MDA)

Name of Satellite, Alternate Names STSS Demo-1 (Space Tracking and Surveillance System Demonstrator)
Country of Operator/Owner USA
Operator/Owner Missile Defense Agency (MDA)
Users Military
Purpose Technology Development
Class of Orbit LEO
Type of Orbit
Longitude of GEO (degrees) 0
Perigee (km) 1347
Apogee (km) 1352
Eccentricity 0.000323855171967096
Inclination (degrees) 58
Period (minutes) 112.68
Launch Mass (kg.) 2240
Dry Mass (kg.) 1100
Power (watts)
Date of Launch 25-09-2009
Expected Lifetime 2-4 yrs.
Contractor Northrop Grumman
Country of Contractor USA
Launch Site Cape Canaveral
Launch Vehicle Delta 2
COSPAR Number 2009-052A
NORAD Number 35937
Comments Use sensors on the two spacecraft to track ballistic missiles.

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