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INTELSAT IV F1

retired

CommunicationsGEOCOSPAR 1975-042ALaunched 5/22/1975

Mission & Launch

Launch Mission: Intelsat 4 F-1
Launch Vehicle: Atlas SLV-3D Centaur
Launch Date: 5/22/1975
Last Contact: 10/27/1987

Orbit & Mass

Orbit Class: GEO
Altitude: 35,786.5 km
Inclination: 0.06 deg
Dry Mass: 531 kg
Total Mass: 1,387 kg

Payload Classification

Mission Type: Communications
Payload Category: COM
Payload Class: C

Organizations

Operator: Intelsat
Manufacturer: Hughes Space and Comms. Co (Hughes Satellite Systems)

Constellation

Name: Intelsat legacy GEO fleet
Active Satellites: 4

Registry

COSPAR ID: 1975-042A
UN Registration: A/AC.105/INF.321