JCSAT-4A: Difference between revisions
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JCSAT-6 was constructed by Hughes, based on the [[HS-601]] [[satellite bus]]. It is equipped with 32 J band (IEEE Ku band) [[transponder]]s, and at launch it had a mass of {{convert|2900|kg}}, with an expected operational lifespan of fourteen and a half years<ref name="UCS">{{cite web|url=http://www.ucsusa.org/nuclear_weapons_and_global_security/space_weapons/technical_issues/ucs-satellite-database.html|title=UCS Satellite Database|publisher=Union of Concerned Scientists|date=2009-07-01|accessdate=2009-08-08}}</ref><ref name="GSP">{{cite web|url=http://space.skyrocket.de/doc_sdat/jcsat-5.htm|title=JCSat 5, 6|first=Gunter|last=Krebs|publisher=Gunter's Space Page|accessdate=2009-08-08}}</ref> |
JCSAT-6 was constructed by Hughes, based on the [[HS-601]] [[satellite bus]]. It is equipped with 32 J band (IEEE Ku band) [[transponder]]s, and at launch it had a mass of {{convert|2900|kg}}, with an expected operational lifespan of fourteen and a half years<ref name="UCS">{{cite web|url=http://www.ucsusa.org/nuclear_weapons_and_global_security/space_weapons/technical_issues/ucs-satellite-database.html|title=UCS Satellite Database|publisher=Union of Concerned Scientists|date=2009-07-01|accessdate=2009-08-08}}</ref><ref name="GSP">{{cite web|url=http://space.skyrocket.de/doc_sdat/jcsat-5.htm|title=JCSat 5, 6|first=Gunter|last=Krebs|publisher=Gunter's Space Page|accessdate=2009-08-08}}</ref> |
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It was launched atop an [[Atlas II|Atlas IIAS]] carrier rocket flying from [[Spaceport Florida Launch Complex 36|Space Launch Complex 36A]] at the [[Cape Canaveral Air Force Station]]. The launch occurred at 01:45:26 GMT 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 Page|accessdate=2009-08-08}}</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 motor.<ref name="EA">{{cite web|url=http://www.astronautix.com/project/jcsat.htm|title=JCSAT|publisher=[[Encyclopedia Astronautica]]|last=Wade|first=Mark|accessdate=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 Page|accessdate=2009-08-08}}</ref> |
It was launched atop an [[Atlas II|Atlas IIAS]] carrier rocket flying from [[Spaceport Florida Launch Complex 36|Space Launch Complex 36A]] at the [[Cape Canaveral Air Force Station]]. The launch occurred at 01:45:26 GMT 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 Page|accessdate=2009-08-08}}</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 motor.<ref name="EA">{{cite web|url=http://www.astronautix.com/project/jcsat.htm|title=JCSAT|publisher=[[Encyclopedia Astronautica]]|last=Wade|first=Mark|accessdate=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 Page|accessdate=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 11:04, 28 January 2020
| Names | JCSAT-6 (order to Feb 1999) JCSAT-4A (Feb 1999 onward) |
|---|---|
| Mission type | Communication |
| Operator | SKY Perfect JSAT Group |
| COSPAR ID | 1999-006A |
| SATCAT no. | 25630 |
| Mission duration | 14+1⁄2 years (planned) |
| Spacecraft properties | |
| 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 |
| Launch site | Cape Canaveral SLC-36A |
| Contractor | ILS |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 124° East |
| Transponders | |
| Band | 32 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]
See also
References
- ^ "JCSAT-4A". Sky Perfect JSAT Corporation. Archived from the original on 2009-07-13. Retrieved 2009-08-08.
- ^ "UCS Satellite Database". Union of Concerned Scientists. 2009-07-01. Retrieved 2009-08-08.
- ^ Krebs, Gunter. "JCSat 5, 6". Gunter's Space Page. Retrieved 2009-08-08.
- ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2009-08-08.
- ^ Wade, Mark. "JCSAT". Encyclopedia Astronautica. Retrieved 2009-08-08.
- ^ McDowell, Jonathan. "Index". Geostationary Orbit Catalog. Jonathan's Space Page. Archived from the original on 2010-04-06. Retrieved 2009-08-08.
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