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GPS II-1
retired
Positioning Navigation Timing
MEO
COSPAR 1989-013A
Launched 2/14/1989
Admin Edit
Mission & Launch
Launch Mission
USA 35 (GPS II-1)
Launch Vehicle
Delta 6925
Launch Date
2/14/1989
Last Contact
4/14/2000
Orbit & Mass
Orbit Class
MEO
Altitude
20,064.5 km
Inclination
55.12 deg
Orbit Plane
3
Dry Mass
776 kg
Total Mass
1,667 kg
Payload Classification
Mission Type
Positioning Navigation Timing
Payload Category
NAV
Payload Class
D
Organizations
Operator
U.S. Space Force
Manufacturer
Boeing
Constellation
Name
GPS
Active Satellites
35
Planned Satellites
24
Registry
COSPAR ID
1989-013A
UN Registration
ST/SG/SER.E/212
Track