Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

INTELSAT III F-4

retired

CommunicationsGEOCOSPAR 1969-045ALaunched 5/22/1969

Mission & Launch

Launch Mission: Intelsat III F-4
Launch Vehicle: Thor Delta M
Launch Date: 5/22/1969
Last Contact: 5/22/1977

Orbit & Mass

Orbit Class: GEO
Altitude: 35,784 km
Inclination: 0.56 deg
Dry Mass: 113 kg
Total Mass: 294 kg

Payload Classification

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

Organizations

Operator: Intelsat
Manufacturer: Northrop Grumman

Constellation

Name: Intelsat legacy GEO fleet
Active Satellites: 4

Registry

COSPAR ID: 1969-045A
UN Registration: A/AC.105/INF.211