USA 77

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10-day predictions
USA 77 is classified as:

• Military

NORAD ID: 21809
Int'l Code: 1991-076E
Perigee: 513.2 km
Apogee: 1,708.8 km
Inclination: 63.3 °
Period: 107.3 minutes
Semi major axis: 7481 km
RCS: Unknown
Launch date: November 8, 1991
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

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1 21809U 91076E   19031.75298157 0.00000100  00000-0  24556-4 0    01
2 21809  63.3416   3.4481 0799000  29.6331 330.3669 13.41456594    06

Source of the keplerian elements: McCants