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UHF F/O F8

retired

CommunicationsGEOCOSPAR 1998-016ALaunched 3/16/1998

Mission & Launch

Launch Mission: USA 138 (UHF F8)
Launch Vehicle: Atlas II
Launch Date: 3/16/1998
Last Contact: 5/22/2022

Orbit & Mass

Orbit Class: GEO
Altitude: 35,783 km
Inclination: 6.04 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: 1998-016A
UN Registration: ST/SG/SER.E/341