Satellite TacSat 4 of Naval Research Laboratory

Name of Satellite, Alternate Names TacSat 4
Country of Operator/Owner USA
Operator/Owner Naval Research Laboratory
Users Military
Purpose Technology Development
Class of Orbit Elliptical
Type of Orbit
Longitude of GEO (degrees) 0
Perigee (km) 658
Apogee (km) 11836
Eccentricity 0.442973765554411
Inclination (degrees) 63.64
Period (minutes) 235.16
Launch Mass (kg.) 450
Dry Mass (kg.)
Power (watts) 1000
Date of Launch 27-09-2011
Expected Lifetime
Contractor Naval Research Laboratory/Johns Hopkins University Applied Physics Laboratory
Country of Contractor USA
Launch Site Kodiak Launch Complex
Launch Vehicle Minotaur 4
COSPAR Number 2011-052A
NORAD Number 37818
Comments 10 Ultra High Frequency (UHF) channels; allows forward deployed troops to communicate using existing hand-held radios without the need to stop and point an antenna towards the satellite


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