SBS 1

SBS 1 was a geostationary communications satellite designed and manufactured by Hughes (now Boeing) on the HS-376 platform. It was ordered by Satellite Business Systems, which later sold it to Hughes Communications. It had a K_u band payload and operated on the 149°W longitude.^[3]

SBS 1

Mission type	Communications
Operator	SBS
COSPAR ID	1980-091A[1]
SATCAT no.	12065
Mission duration	7 years design life
Spacecraft properties
Bus	HS-376
Manufacturer	Hughes Space and Communications
Launch mass	550 kilograms (1,210 lb)
Start of mission
Launch date	15 November 1980, 22:49 (1980-11-15UTC22:49Z) UTC
Rocket	Delta-3910 PAM-D
Launch site	Cape Canaveral LC-17A
Contractor	NASA
End of mission
Disposal	Decommissioned
Deactivated	June 1990 (1990-07)
Orbital parameters
Reference system	Geocentric
Regime	Geostationary
Longitude	149° W[2]
Eccentricity	0.7415
Perigee altitude	600 kilometres (370 mi)
Apogee altitude	40,662 kilometres (25,266 mi)
Inclination	62.8°
Period	736.2 minutes
Epoch	November 15, 1980
Transponders
Band	14 Ku band

Satellite description

The spacecraft was designed and manufactured by Hughes on the HS-376 satellite bus. It had a launch mass of 550 kg (1,210 lb), a geostationary orbit and a 7-year design life.^[4]

History

On November 15, 1980, SBS 1 was launched by a Delta-3910 PAM-D from Cape Canaveral at 22:49 UTC.

In June 1990, SBS 1 was finally decommissioned and put into a graveyard orbit.^[3]