USA 77

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10-day predictions
USA 77 is classified as:

• Military

NORAD ID: 21809
Int'l Code: 1991-076E
Perigee: 496.1 km
Apogee: 1,725.5 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   19305.18088688 0.00000000  00000-0  00000-0 0    01
2 21809  63.3417  15.2141 0821560  32.8276 327.1723 13.41504858    04

Source of the keplerian elements: McCants