// communications · 1984

SBS 4

American geostationary communications satellite. SBS 4 was launched on August 30, 1984 aboard a Space Shuttle from Cape Canaveral & Kennedy. Latest status in GCAT: renamed (July 1985).

COSPAR 1984-093BNORAD 15235United States

Identity

Name in GCAT: SBS 4
Payload designation: SBS D
International designator: 1984-093B
NORAD catalog number: 15235
GCAT identifier: S15235
UN registration: ST/SG/SER.E/113

Mission

Mission type: Communications
Use: Commercial
Program: SBS
Owner: SBS
Country: United States
Builder: Hughes Space and Comms. Co (Hughes Satellite Systems)
Platform (bus): HS-376

Launch

Date: August 30, 1984 · 12:41 UTC
Launch record: 1984-093Success
Rocket: Space Shuttle
Spaceport: Cape Canaveral & Kennedy · pad LC39A

Orbit and fate

Orbit class (GCAT): GEO/S
Perigee: 35,784 km
Apogee: 35,788 km
Inclination: 0.50°
Status: Renamed
Status date: July 1985
Last known active: Sep 30, 2005
End of operations: Sep 30, 2005

Size

Mass: 634 kg
Dry mass: 485 kg
Total mass with attached objects: 1,142 kg
Length: 6.6 m
Diameter: 2.20 m
Span: 6.6 m

Launched together

STS-41-DHuman spaceflight · NASA JSC Telstar 302Communications · AT&T Skynet

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q14771278 (CC0).