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// communications · 1975

Intelsat IV F-1

Communications satellite. Intelsat IV F-1 was launched on May 22, 1975 aboard a Atlas SLV-3D Centaur from Cape Canaveral & Kennedy. Latest status in GCAT: renamed (Jul 18, 2001).

COSPAR 1975-042ANORAD 7815INTELSAT (intergovernmental)

Identity

Name in GCAT
INTELSAT IV F1
Common name
Intelsat IV F-1
International designator
1975-042A
NORAD catalog number
7815
GCAT identifier
S07815
UN registration
A/AC.105/INF.321

Mission

Mission type
Communications
Use
Civil government
Program
Int4
Country
INTELSAT (intergovernmental)
Builder
Hughes Space and Comms. Co (Hughes Satellite Systems)
Platform (bus)
HS-312

Launch

Date
May 22, 1975 · 22:04 UTC
Launch record
1975-042Success
Spaceport
Cape Canaveral & Kennedy · pad LC36A

Orbit and fate

Orbit class (GCAT)
GEO/S
Perigee
35,785 km
Apogee
35,788 km
Inclination
0.06°
Status
Renamed
Status date
July 18, 2001
Last known active
Oct 27, 1987
End of operations
Oct 27, 1987

Size

Mass
664 kg
Dry mass
531 kg
Total mass with attached objects
1,387 kg
Length
5.3 m
Diameter
2.40 m
Span
5.3 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q14771234 (CC0).