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From Wikipedia, the free encyclopedia

JCSAT-6 → JCSAT-4A
NamesJCSAT-6 (order to Feb 1999) JCSAT-4A (Feb 1999 onward)
Mission typeCommunication
OperatorSKY Perfect JSAT Group
COSPAR ID1999-006A
SATCAT no.25630Edit this on Wikidata
Mission duration14 12 years (planned)
Spacecraft properties
BusHS-601
ManufacturerHughes
Launch mass2,900 kilograms (6,400 lb)
Start of mission
Launch date16 February 1999, 01:45:26 (1999-02-16UTC01:45:26Z) UTC
RocketAtlas IIAS
Launch siteCape Canaveral SLC-36A
ContractorILS
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Longitude124° East
Transponders
Band32 Ku band
 

JCSAT-4A, previously designated JCSAT-6, is a Japanese geostationary communications satellite which is operated by JSAT Corporation (now SKY Perfect JSAT Group). It is positioned in geostationary orbit at a longitude of 124° East, from where it is used to provide broadcasting and corporate network communications to Japan.[1]

JCSAT-6 was constructed by Hughes, based on the HS-601 satellite bus. It is equipped with 32 J band (IEEE Ku band) transponders, and at launch it had a mass of 2,900 kilograms (6,400 lb), with an expected operational lifespan of fourteen and a half years[2][3]

It was launched atop an Atlas IIAS carrier rocket flying from Space Launch Complex 36A at the Cape Canaveral Air Force Station. The launch occurred at 01:45:26 GMT on 16 February 1999,[4] and successfully placed JCSAT-6 into a geostationary transfer orbit. From this orbit, the satellite raised itself into a geostationary orbit using an R-4D apogee motor.[5] The final burn to complete its insertion into geosynchronous orbit occurred on 1 March 1999.[6]

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Transcription

See also

References

  1. ^ "JCSAT-4A". Sky Perfect JSAT Corporation. Archived from the original on 2009-07-13. Retrieved 2009-08-08.
  2. ^ "UCS Satellite Database". Union of Concerned Scientists. 2009-07-01. Retrieved 2009-08-08.
  3. ^ Krebs, Gunter. "JCSat 5, 6". Gunter's Space Page. Retrieved 2009-08-08.
  4. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2009-08-08.
  5. ^ Wade, Mark. "JCSAT". Encyclopedia Astronautica. Retrieved 2009-08-08.
  6. ^ McDowell, Jonathan. "Index". Geostationary Orbit Catalog. Jonathan's Space Page. Archived from the original on 2010-04-06. Retrieved 2009-08-08.


This page was last edited on 31 December 2020, at 21:01
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