USA 75

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USA 75 is classified as:

• Military

NORAD ID: 21805
Int'l Code: 1991-080B
Perigee: 36,054.9 km
Apogee: 36,144.1 km
Inclination: 15.0 °
Period: 1,451.7 minutes
Semi major axis: 42470 km
RCS: Unknown
Launch date: November 24, 1991
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

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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1 21805U 91080B   21110.40011795 -.00000224  00000-0  00000-0 0  9995
2 21805  14.9714 359.8067 0010504  41.2726 121.3073  0.99191042  7025

Source of the keplerian elements: McCants