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GPS IIA-2
retired
Positioning Navigation Timing
MEO
COSPAR 1991-047A
Launched 7/4/1991
Admin Edit
Mission & Launch
Launch Mission
USA 71 (GPS IIA-11)
Launch Vehicle
Delta 7925
Launch Date
7/4/1991
Last Contact
11/4/2011
Orbit & Mass
Orbit Class
MEO
Altitude
20,179.5 km
Inclination
55.18 deg
Orbit Plane
3
Dry Mass
860 kg
Total Mass
1,881 kg
Payload Classification
Mission Type
Positioning Navigation Timing
Payload Category
NAV
Payload Class
D
Organizations
Operator
U.S. Space Systems Command
Manufacturer
Boeing
Constellation
Name
GPS
Active Satellites
35
Planned Satellites
24
Registry
COSPAR ID
1991-047A
UN Registration
ST/SG/SER.E/258
Track