STSS DEMO 1 (USA 208)

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STSS DEMO 1 (USA 208) is classified as:

Military

NORAD ID: 35937

Int'l Code: 2009-052A

Perigee: 1,326.9 km

Apogee: 1,341.8 km

Inclination: 58.0 °

Period: 112.2 minutes

Semi major axis: 7705 km

RCS: Unknown

Launch date: September 25, 2009
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

STSS DEMO 1 (USA 208) is part of a $1.5 billion project known as STSS Demo. The satellites will be used together with STSS DEMO 2 by the U.S. Missile Defense Agency to test the "birth to death" tracking of missiles from launch to re-entry. The two craft, weighing nearly 5,000 pounds [2,268 kg] at launch and each having pairs of power-generating solar wings, are equipped with infrared and visible sensors to spot missile launches, track the vehicles through space and observe the entry back into the atmosphere. By working together from separate vantage points in low-Earth orbit, their imagery will combine to provide 3-D tracking of objects.

1 35937U 09052A   25327.75770121 0.00000000  00000-0  00000-0 0    05
2 35937  57.9910 300.3163 0009674 304.9547  55.0452 12.83565091    05

Source of the keplerian elements: McCants