Satellite Skynet 4F of Ministry of Defence

Name of Satellite, Alternate Names Skynet 4F
Country of Operator/Owner United Kingdom
Operator/Owner Ministry of Defence
Users Military
Purpose Communications
Class of Orbit GEO
Type of Orbit
Longitude of GEO (degrees) -34.04
Perigee (km) 35773
Apogee (km) 35801
Eccentricity 0.000332091942026235
Inclination (degrees) 3.23
Period (minutes) 1436.15
Launch Mass (kg.) 1510
Dry Mass (kg.) 830
Power (watts) 1200
Date of Launch 07-02-2001
Expected Lifetime 7 yrs.
Contractor Astrium
Country of Contractor France/UK/Germany
Launch Site Guiana Space Center
Launch Vehicle Ariane 44L
COSPAR Number 2001-005B
NORAD Number 26695
Comments Used primarily by UK´s armed forces, government departments, agencies and other organizations that require secure communications.


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