JCSAT-1

JCSAT-1
Mission typeCommunications
OperatorJSAT Corporation
COSPAR ID1989-020A[1]
SATCAT no.19874
Mission duration8 years (planned)
Spacecraft properties
SpacecraftJCSAT-1
Spacecraft typeJCSAT
BusHS-393
ManufacturerHughes
Launch mass2,280 kg (5,030 lb)
BOL mass1,364 kg (3,007 lb)
Dimensions3.7 m × 10 m × 2.3 m (12.1 ft × 32.8 ft × 7.5 ft) with solar panels and antennas deployed.
Power2.350 kW
Start of mission
Launch date6 March 1989, 23:29:00 UTC[2]
RocketAriane 44LP
Launch siteCentre Spatial Guyanais, ELA-2
ContractorArianespace
End of mission
DisposalGraveyard orbit
Deactivated1998 [3]
Orbital parameters
Reference systemGeocentric orbit[4]
RegimeGeostationary orbit
Longitude150° East
Transponders
Band32 Ku-band × 27 MHz [5]
Bandwidth864 MHz
Coverage areaJapan
TWTA power20 watts
JCSAT-2 →

JCSAT-1 was a geostationary communications satellite designed and manufactured by Hughes (now Boeing) on the HS-393 satellite bus. It was originally ordered by Japan Communications Satellite Company (JCSAT), which later merged into the JSAT Corporation. It had a Ku-band payload and operated on the 150° East longitude until it was replaced by JCSAT-1B.[5]

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