Name of Satellite, Alternate Names |
Trumpet 3 (NROL-4, National Reconnaissance Office Launch-4, USA 136) |
Country of Operator/Owner |
USA |
Operator/Owner |
National Reconnaissance Office (NRO)/USAF |
Users |
Military |
Purpose |
Electronic Surveillance |
Class of Orbit |
Elliptical |
Type of Orbit |
Molniya |
Longitude of GEO (degrees) |
0 |
Perigee (km) |
1210 |
Apogee (km) |
38740 |
Eccentricity |
0.712279369899412 |
Inclination (degrees) |
64.7 |
Period (minutes) |
709.61 |
Launch Mass (kg.) |
8000 |
Dry Mass (kg.) |
|
Power (watts) |
|
Date of Launch |
08-11-1997 |
Expected Lifetime |
|
Contractor |
Boeing Satellite Systems |
Country of Contractor |
USA |
Launch Site |
Cape Canaveral |
Launch Vehicle |
Titan IVA |
COSPAR Number |
1997-068A |
NORAD Number |
25034 |
Comments |
Signals intelligence; surveillance of cellular phones. |