Name of Satellite, Alternate Names |
NATO 4-B (USA 98) |
Country of Operator/Owner |
United Kingdom |
Operator/Owner |
Ministry of Defense/Paradigm Secure Communications (wholly owned by EADS Astrium) |
Users |
Military |
Purpose |
Communications |
Class of Orbit |
GEO |
Type of Orbit |
|
Longitude of GEO (degrees) |
-35.05 |
Perigee (km) |
35775 |
Apogee (km) |
35795 |
Eccentricity |
0.000237219784129996 |
Inclination (degrees) |
7.33 |
Period (minutes) |
1436.04 |
Launch Mass (kg.) |
1430 |
Dry Mass (kg.) |
660 |
Power (watts) |
1200 |
Date of Launch |
08-12-1993 |
Expected Lifetime |
7 yrs. |
Contractor |
Matra Marconi |
Country of Contractor |
France |
Launch Site |
Cape Canaveral |
Launch Vehicle |
Delta 2 |
COSPAR Number |
1993-076A |
NORAD Number |
22921 |
Comments |
Turned over to British MOD for communications in 2011. Encrypted; X-band, UHF, C-band; NATO and British Ministry of Defence; secure military and diplomatic voice and data communications. |