NATO 4A

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NATO 4A is classified as:

Geostationary

NORAD ID: 21047

Int'l Code: 1991-001A

Perigee: 36,345.6 km

Apogee: 36,376.0 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   18229.50836174 -.00000035 +00000-0 +00000-0 0  9990
2 21047 013.2250 013.5324 0003561 202.4133 350.6151 00.98282405100007

Source of the keplerian elements: AFSPC