NATO 4A

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NATO 4A is classified as:

Geostationary

NORAD ID: 21047

Int'l Code: 1991-001A

Perigee: 36,335.4 km

Apogee: 36,384.7 km

Inclination: 13.1 °

Period: 1,465.1 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   25199.26896277 -.00000190  00000-0  00000-0 0  9999
2 21047  13.0567 356.6878 0005764 197.4534 162.5937  0.98285093124831

Source of the keplerian elements: AFSPC