Name of Satellite, Alternate Names |
Skynet 4E |
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) |
35.58 |
Perigee (km) |
35774 |
Apogee (km) |
35797 |
Eccentricity |
0.00027279951607738 |
Inclination (degrees) |
4.99 |
Period (minutes) |
1436.06 |
Launch Mass (kg.) |
1510 |
Dry Mass (kg.) |
759 |
Power (watts) |
1200 |
Date of Launch |
26-02-1999 |
Expected Lifetime |
7 yrs. |
Contractor |
Astrium |
Country of Contractor |
France/UK/Germany |
Launch Site |
Guiana Space Center |
Launch Vehicle |
Ariane 44L |
COSPAR Number |
1999-009B |
NORAD Number |
25639 |
Comments |
Used primarily by UK´s armed forces, government departments, agencies and other organizations that require secure communications. |