Geostationary
NORAD ID: 21047
Int'l Code: 1991-001A
Perigee: 36,326.7 km
Apogee: 36,394.9 km
Inclination: 11.7 °
Period: 1,465.2 minutes
Semi major axis: 42731 km
Launch date: January 8, 1991
Source: North Atlantic Treaty Organization (NATO)
Comments: Encrypted; X-band, UHF, C-band; NATO and British Ministry of Defence; secure military and diplomatic voice and data communications.
Two Line Element Set (TLE):
1 21047U 91001A 13144.24114276 -.00000005 00000-0 10000-3 0 3225
2 21047 011.6683 031.3948 0007985 070.6270 289.3823 00.98282490 81253
Source: AFSPC
NASA's NSSDC Master Catalog entry for NATO 4A