JCSAT-4A: Difference between revisions
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== Launch == |
== Launch == |
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It was launched atop an [[Atlas II|Atlas IIAS]] [[launch vehicle]] flying from [[Cape Canaveral Launch Complex 36|Launch Complex 36A]] at the [[Cape Canaveral Space Force Station|Cape Canaveral Air Force Station]]. The launch occurred at 01:45:26 [[Coordinated Universal Time|UTC]] on 16 February 1999,<ref name="JSR-LL">{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launch Log|last=McDowell |first=Jonathan|publisher=Jonathan's Space Report|date=14 March 2021|access-date=20 March 2021}}</ref> 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 kick motor|apogee motor]].<ref name="EA">{{cite web|url=http://www.astronautix.com/project/jcsat.htm|title=JCSAT|publisher=Encyclopedia Astronautica|last=Wade |first=Mark|access-date=2009-08-08}}</ref> The final burn to complete its insertion into geosynchronous orbit occurred on 1 March 1999.<ref name="GSOHist">{{cite web |url=http://planet4589.org/space/log/geo.date|title=Index|work=Geostationary Orbit Catalog|last=McDowell|first=Jonathan|publisher=Jonathan's Space Report|access-date=2009-08-08|archive-url=https://web.archive.org/web/20100406015538/http://www.planet4589.org/space/log/geo.date|archive-date=2010-04-06|url-status=dead}}</ref> |
It was launched atop an [[Atlas II|Atlas IIAS]] [[launch vehicle]] flying from [[Cape Canaveral Launch Complex 36|Launch Complex 36A]] at the [[Cape Canaveral Space Force Station|Cape Canaveral Air Force Station]]. The launch occurred at 01:45:26 [[Coordinated Universal Time|UTC]] on 16 February 1999,<ref name="JSR-LL">{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launch Log|last=McDowell |first=Jonathan|publisher=Jonathan's Space Report|date=14 March 2021|access-date=20 March 2021}}</ref> 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 kick motor|apogee motor]].<ref name="EA">{{cite web|url=http://www.astronautix.com/project/jcsat.htm|archive-url=https://web.archive.org/web/20020829020459/http://astronautix.com/project/jcsat.htm|url-status=dead|archive-date=29 August 2002|title=JCSAT|publisher=Encyclopedia Astronautica|last=Wade |first=Mark|access-date=2009-08-08}}</ref> The final burn to complete its insertion into geosynchronous orbit occurred on 1 March 1999.<ref name="GSOHist">{{cite web |url=http://planet4589.org/space/log/geo.date|title=Index|work=Geostationary Orbit Catalog|last=McDowell|first=Jonathan|publisher=Jonathan's Space Report|access-date=2009-08-08|archive-url=https://web.archive.org/web/20100406015538/http://www.planet4589.org/space/log/geo.date|archive-date=2010-04-06|url-status=dead}}</ref> |
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== See also == |
== See also == |
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Revision as of 03:47, 22 April 2022
| Names | JCSAT-6 (order to Feb 1999) JCSAT-4A (Feb 1999 onward) |
|---|---|
| Mission type | Communications |
| Operator | SKY Perfect JSAT Group |
| COSPAR ID | 1999-006A |
| SATCAT no. | 25630 |
| Mission duration | 14.5 years (planned) |
| Spacecraft properties | |
| Spacecraft | JCSAT-6 |
| Spacecraft type | JCSAT |
| Bus | HS-601 |
| Manufacturer | Hughes |
| Launch mass | 2,900 kilograms (6,400 lb) |
| Start of mission | |
| Launch date | 16 February 1999, 01:45:26 UTC |
| Rocket | Atlas IIAS (AC-152) |
| Launch site | Cape Canaveral, LC-36A |
| Contractor | International Launch Services (ILS) |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Geostationary orbit |
| Longitude | 124° East |
| Transponders | |
| Band | 32 Ku band |
| Coverage area | Japan |
JCSAT-4A, designated JCSAT-6 before launch, 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]
Spacecraft description
JCSAT-6 was constructed by Hughes, based on the HS-601 satellite bus. It is equipped with 32 Ku-band transponders, and at launch it had a mass of 2,900 kg (6,400 lb), with an expected operational lifespan of fourteen and a half years.[2][3]
Launch
It was launched atop an Atlas IIAS launch vehicle flying from Launch Complex 36A at the Cape Canaveral Air Force Station. The launch occurred at 01:45:26 UTC 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]
See also
References
- ^ "JCSAT-4A". Sky Perfect JSAT. Archived from the original on 13 July 2009. Retrieved 8 August 2009.
- ^ "UCS Satellite Database". Union of Concerned Scientists. 1 July 2009. Retrieved 8 August 2009.
- ^ Krebs, Gunter. "JCSat 5, 6". Gunter's Space Page. Retrieved 8 August 2009.
- ^ McDowell, Jonathan (14 March 2021). "Launch Log". Jonathan's Space Report. Retrieved 20 March 2021.
- ^ Wade, Mark. "JCSAT". Encyclopedia Astronautica. Archived from the original on 29 August 2002. Retrieved 8 August 2009.
- ^ McDowell, Jonathan. "Index". Geostationary Orbit Catalog. Jonathan's Space Report. Archived from the original on 6 April 2010. Retrieved 8 August 2009.
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