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// communications · 1965

Intelsat I

The first commercial communications satellite. Intelsat I was launched on April 6, 1965 aboard a Thor Delta D from Cape Canaveral & Kennedy. Latest status in GCAT: renamed (Jul 18, 2001).

COSPAR 1965-028ANORAD 1317INTELSAT (intergovernmental)

Identity

Name in GCAT
Early Bird
Common name
Intelsat I
Payload designation
INTELSAT I
International designator
1965-028A
NORAD catalog number
1317
GCAT identifier
S01317
UN registration
A/AC.105/INF.104

Mission

Mission type
Communications
Use
Civil government
Program
Int1
Country
INTELSAT (intergovernmental)
Builder
Hughes Space and Comms. Co (Hughes Satellite Systems)
Platform (bus)
HS-303A

Launch

Date
April 6, 1965 · 23:47 UTC
Launch record
1965-028Success
Rocket
Thor Delta D
Spaceport
Cape Canaveral & Kennedy · pad LC17A

Orbit and fate

Orbit class (GCAT)
GEO/D
Perigee
35,785 km
Apogee
35,808 km
Inclination
1.39°
Status
Renamed
Status date
July 18, 2001
Last known active
April 1971
End of operations
April 1971

Size

Mass
35 kg
Dry mass
30 kg
Total mass with attached objects
68 kg
Length
0.6 m
Diameter
0.70 m
Span
0.7 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q1250614 (CC0).