NATO 4A

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NATO 4A is classified as:

Geostationary

NORAD ID: 21047

Int'l Code: 1991-001A

Perigee: 36,332.2 km

Apogee: 36,388.9 km

Inclination: 13.2 °

Period: 1,465.2 minutes

Semi major axis: 42731 km

RCS: 5.4891 m² (large)

Launch date: January 8, 1991
Source: North Atlantic Treaty Organization (NATO)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

Encrypted; X-band, UHF, C-band; NATO and British Ministry of Defence; secure military and diplomatic voice and data communications.

1 21047U 91001A   22229.71151531 -.00000095  00000-0  00000-0 0  9991
2 21047  13.2042   2.9206 0006630 138.5972 114.5429  0.98283371114369

Source of the keplerian elements: AFSPC