Satellite Trumpet 4 (NRO L-67, USA 250) of National Reconnaissance Office (NRO)/US Air Force

Name of Satellite, Alternate Names Trumpet 4 (NRO L-67, USA 250)
Country of Operator/Owner USA
Operator/Owner National Reconnaissance Office (NRO)/US Air Force
Users Military
Purpose Electronic Surveillance
Class of Orbit GEO
Type of Orbit
Longitude of GEO (degrees) 0
Perigee (km) 35500
Apogee (km) 35500
Eccentricity 0
Inclination (degrees) 7
Period (minutes) 1436
Launch Mass (kg.) 3900
Dry Mass (kg.)
Power (watts)
Date of Launch 10-04-2014
Expected Lifetime
Contractor National Reconnaissance Laboratory
Country of Contractor USA
Launch Site Cape Canaveral
Launch Vehicle Atlas 5
COSPAR Number 2014-020A
NORAD Number 39652
Comments Speculated to be SIGINT - not verified. May be new Mentor or Misty class.

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