NATO 4A

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NATO 4A is classified as:

Geostationary

NORAD ID: 21047

Int'l Code: 1991-001A

Perigee: 36,341.4 km

Apogee: 36,379.1 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   24139.47688501 -.00000186  00000-0  00000+0 0  9998
2 21047  13.1100 359.1176 0004411 161.6263  20.0170  0.98284536120681

Source of the keplerian elements: AFSPC