Name of Satellite, Alternate Names |
UFO-4 (USA 108, UFO F4 EHF) "UHF Follow-On" |
Country of Operator/Owner |
USA |
Operator/Owner |
US Navy |
Users |
Military |
Purpose |
Communications |
Class of Orbit |
GEO |
Type of Orbit |
|
Longitude of GEO (degrees) |
-177.12 |
Perigee (km) |
35763 |
Apogee (km) |
35775 |
Eccentricity |
0.000142385913286979 |
Inclination (degrees) |
3.34 |
Period (minutes) |
1435.22 |
Launch Mass (kg.) |
3200 |
Dry Mass (kg.) |
1545 |
Power (watts) |
2,800 (EOL) |
Date of Launch |
29-01-1995 |
Expected Lifetime |
4 yrs. |
Contractor |
Boeing Satellite Systems |
Country of Contractor |
USA |
Launch Site |
Cape Canaveral |
Launch Vehicle |
Atlas 2 |
COSPAR Number |
1995-003A |
NORAD Number |
23467 |
Comments |
Ultra-High Frequency (UHF) communications and Super-High Frequency (SHF) antijam command and broadcast capabilities through four pairs of geosynchronous satellites and one spare; tactical application. |