Satellite MUOS-1 (Mobile User Objective System 1) of DoD/US Navy

Name of Satellite, Alternate Names MUOS-1 (Mobile User Objective System 1)
Country of Operator/Owner USA
Operator/Owner DoD/US Navy
Users Military
Purpose Communications
Class of Orbit GEO
Type of Orbit
Longitude of GEO (degrees)
Perigee (km) 35800
Apogee (km) 35800
Eccentricity 0
Inclination (degrees)
Period (minutes) 1436.1
Launch Mass (kg.) 6804
Dry Mass (kg.)
Power (watts)
Date of Launch 24-02-2012
Expected Lifetime 10-12 yrs.
Contractor Lockheed Martin Missiles and Space
Country of Contractor USA
Launch Site Cape Canaveral
Launch Vehicle Atlas 5
COSPAR Number 2012-009A
NORAD Number 38093
Comments Four primary satellites and one orbiting spare will comprise the MUOS system as it is fielded over the next few years to augment and then replace the Navy´s aging Ultra High Frequency spacecraft constellation. Orbital parameters estimated.


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