USA 77

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10-day predictions
USA 77 is classified as:

• Military

NORAD ID: 21809
Int'l Code: 1991-076E
Perigee: 443.1 km
Apogee: 1,771.6 km
Inclination: 63.3 °
Period: 107.3 minutes
Semi major axis: 7478 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   22153.85244372 0.00002500  00000-0  34319-3 0    04
2 21809  63.3150  82.3273 0888267  46.6974 313.3026 13.42439634    07

Source of the keplerian elements: McCants