Name of Satellite, Alternate Names |
Improved Trumpet 5 (NROL-28, National Reconnaissance Office Launch-28, SBIRS HEO-2, Twins 2, USA 200) |
Country of Operator/Owner |
USA |
Operator/Owner |
National Reconnaissance Office (NRO) |
Users |
Military |
Purpose |
Electronic Surveillance |
Class of Orbit |
Elliptical |
Type of Orbit |
Molniya |
Longitude of GEO (degrees) |
0 |
Perigee (km) |
1112 |
Apogee (km) |
37580 |
Eccentricity |
0.709052729818012 |
Inclination (degrees) |
63.56 |
Period (minutes) |
684 |
Launch Mass (kg.) |
4200 |
Dry Mass (kg.) |
|
Power (watts) |
|
Date of Launch |
13-03-2008 |
Expected Lifetime |
|
Contractor |
National Reconnaissance Laboratory |
Country of Contractor |
USA |
Launch Site |
Vandenberg AFB |
Launch Vehicle |
Atlas 5 |
COSPAR Number |
2008-010A |
NORAD Number |
32706 |
Comments |
Reported to be carrying signals intelligence and early warning payloads. |