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Navstar 2
retired
Positioning Navigation Timing
MEO
COSPAR 1978-047A
Launched 5/13/1978
Admin Edit
Mission & Launch
Launch Mission
GPS 2
Launch Vehicle
Atlas F
Launch Date
5/13/1978
Last Contact
2/12/1988
Orbit & Mass
Orbit Class
MEO
Altitude
20,125.5 km
Inclination
63.18 deg
Orbit Plane
2
Dry Mass
409 kg
Total Mass
775 kg
Payload Classification
Mission Type
Positioning Navigation Timing
Payload Category
NAV
Payload Class
D
Organizations
Operator
U.S. Air Force
Manufacturer
Boeing
Constellation
Name
GPS
Active Satellites
35
Planned Satellites
24
Registry
COSPAR ID
1978-047A
UN Registration
ST/SG/SER.E/012
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