USA 21

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USA 21 is classified as:

NORAD ID: 17506

Int'l Code: 1987-015A

Perigee: 1,425.7 km

Apogee: 38,884.3 km

Inclination: 62.7 °

Period: 716.6 minutes

Semi major axis: 26525 km

RCS: Unknown

Launch date: February 12, 1987
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

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Your satellite tracking list

Two Line Element Set (TLE):

1 17506U 87015A   21293.07680545 -.00001082  00000-0  00000-0 0  9994
2 17506  62.6537 153.1912 7060737 263.6689  18.9358  2.00953621 16607

Source of the keplerian elements: AFSPC