| 词条 | JCSAT-2A |
| 释义 |
| name = JCSAT-8 → JCSAT-2A | names_list = JCSAT-8 (Apr 2000 to Mar 2002) JCSAT-2A (Mar 2002 onward) | image = | image_caption = | image_alt = | image_size = | mission_type = Communication | operator = SKY Perfect JSAT Group | Harvard_designation = | COSPAR_ID = 2002-015A[1] | SATCAT = 27399[2] | website = JSAT Official Page | mission_duration = | spacecraft = JCSAT-8 | spacecraft_type = | spacecraft_bus = HS-601 | manufacturer = Hughes | launch_mass = {{convert|2460|kg|abbr=on}} | BOL_mass = | landing_mass = | dry_mass = | payload_mass = | dimensions = {{convert|21|x|7.6|x|4.6|m|abbr=on}} with solar panels and antennas deployed. | power = 3.7 kW | launch_date = {{start date|2002|03|29|01|29|00|7=Z}}[1] | launch_rocket = Ariane 44L | launch_site = GSC ELA-2 | launch_contractor = Arianespace | deployment_from = | deployment_date = | entered_service = | disposal_type = | deactivated = | destroyed = | last_contact = | recovery_by = | recovery_date = | decay_date = | landing_date = | landing_site =
| programme = JSAT | previous_mission = JCSAT-110 | next_mission = JCSAT-5A | insignia = | insignia_caption = | insignia_alt = | insignia_size = }}JCSAT-2A, known as JCSAT-8 before launch, is a geostationary communications satellite operated by SKY Perfect JSAT Group (JSAT) which was designed and manufactured by Boeing on the BSS-601 platform. It has Ku band and C band payload and was used to replace JCSAT-2 at the 154°East longitude. It covers Japan, East Asia, Australia and Hawaii.[4][2][6] Satellite descriptionThe spacecraft was designed and manufactured by Boeing on the BSS-601 satellite bus. It had a launch mass of {{convert|2460|kg|abbr=on}} a power production of 3.7 kW and an 11-year design life.[4] Stowed for launch it measured {{convert|3.6|x|2.7|x|4.3|m|abbr=on}}, with its solar panels and antennas deployed it measured {{convert|21|x|4.3|x|7.6|m|abbr=on}}.[6] Its payload is composed of sixteen 57 MHz Ku band plus eleven 36 MHz and five 54 MHz C band transponders, for a total bandwidth of 1,578 MHz.[10] Its high power amplifiers had an output power of 120 Watts on Ku band and 34 Watts on C band.[6] The Ku band footprint covers only Japan, while the C band beams cover Japan, East Asia, Australia and Hawaii.[6] HistoryIn April 2000, JSAT ordered JCSAT-8 from Boeing (which had acquired the HS-601 business from Hughes), to replace JCSAT-2 at the 154° East slot. It would provide coverage to Japan, East Asia, Australia and Hawaii.[4] An Ariane 44L successfully launched JCSAT-8 on March 29, 2002 at 01:29 UTC from Guiana Space Centre. Once successfully deployed, it was renamed JCSAT-2A.[4] References1. ^1 2 3 4 {{cite web |last1=Krebs |first1=Gunter Dirk |title=JCSat 8 (JCSat 2A) |url=http://space.skyrocket.de/doc_sdat/jcsat-8.htm |website=Gunter's Space Page |access-date=2016-07-20 |date=2016-04-21}} [1][2][3][4][5]2. ^1 2 {{cite web |url=http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=2002-015A |title=JCSAT 8 |publisher=NASA Space Science Data Coordinated Archive |date=27 April 2016 |access-date=2016-08-04}} 3. ^1 {{cite web |url=http://www.skyperfectjsat.co.jp/load_pdf.php?pTb=t_annual_&pRi=30&pJe=1 |title=Who we are |publisher=SSKY Perfect JSAT Group |date=2012-08-03 |format=PDF |access-date=2016-08-02}} 4. ^1 2 3 4 {{cite web |url=http://www.jsat.net/en/contour/jcsat-2a.html |title=JCSAT-2A |publisher=SKY Perfect JSAT Group |access-date=August 9, 2016}} 5. ^1 2 {{cite web |title=JCSat 2A (JCSat 8) |url=http://www.satbeams.com/satellites?norad=27399 |publisher=Satbeams |accessdate=26 July 2016}} }}{{Portal|Spaceflight}}{{JCSAT}}{{Orbital launches in 2002}} 5 : Communications satellites in geostationary orbit|Satellites using the BSS-601 bus|Spacecraft launched in 2002|Communications satellites of Japan|Satellites of Japan |
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