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UHF F/O F9
retired
Communications
GEO
COSPAR 1998-058A
Launched 10/20/1998
Admin Edit
Mission & Launch
Launch Mission
USA 140 (UHF F9)
Launch Vehicle
Atlas IIA
Launch Date
10/20/1998
Last Contact
9/22/2006
Orbit & Mass
Orbit Class
GEO
Altitude
35,786.5 km
Inclination
6.02 deg
Dry Mass
1,350 kg
Total Mass
3,200 kg
Payload Classification
Mission Type
Communications
Payload Category
COM
Payload Class
D
Organizations
Operator
SPAWAR
Manufacturer
Hughes Space and Comms. Co (Hughes Satellite Systems)
Constellation
Name
UHF Follow-On
Active Satellites
3
Registry
COSPAR ID
1998-058A
UN Registration
ST/SG/SER.E/353
Track