JCSAT-1B: Difference between revisions
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{{Use American English|date=March 2021}} |
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{{Infobox spaceflight |
{{Infobox spaceflight |
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| name |
| name = JCSAT-1B |
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| names_list |
| names_list = '''JCSAT-5''' (Jun 1996 to Dec 1997)<br/>'''JCSAT-1B''' (Dec 1997 onward) |
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| image = |
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'''JCSAT-1B''' (Dec 1997 onward)<!--list of previous names if the spacecraft has been renamed. |
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| image_caption = |
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Include the dates applicable if possible, and separate each name with a linebreak. |
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| image_size = 300px |
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Omit if the spacecraft has only ever been known by one name. |
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Do not include Harvard, COSPAR/NSSDC or SATCAT/NORAD/NASA designations as alternative names--> |
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| mission_type = [[Communications satellite|Communications]] |
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<!--image of the spacecraft/mission--> |
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| operator = [[SKY Perfect JSAT|SKY Perfect JSAT Group]] |
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| image = <!--omit the "file" prefix--> |
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| COSPAR_ID = 1997-075A <ref name=nasagsfc-nssdcajcsat5/> |
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| |
| SATCAT = 25067 |
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| |
| website = http://www.jsat.net/en/contour/jcsat-1b.html |
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| mission_duration = 12 years (planned) |
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| spacecraft = JCSAT-5 |
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<!--Basic details--> |
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| spacecraft_type = [[JSAT (satellite constellation)|JCSAT]] |
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| mission_type = [[Communications satellite|Communication]]<!--e.g. Technology, Reconnaissance, ISS assembly, etc--> |
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| spacecraft_bus = [[Boeing 601|HS-601]] |
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| operator = [[SKY Perfect JSAT Group]]<!--organisation(s) that operate(d) the spacecraft--> |
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| manufacturer = [[Boeing Satellite Development Center|Hughes]] |
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| Harvard_designation = <!--spacecraft launched 1962 and earlier only (e.g. 1957 Alpha 2)--> |
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| launch_mass = {{cvt|2982|kg}} |
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| COSPAR_ID = 1997-075A<ref name=nasagsfc-nssdcajcsat5 /><!--spacecraft launched since 1963 only (aka NSSDC ID; e.g. 1998-067A)--> |
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| dry_mass = {{cvt|1308|kg}} |
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| SATCAT = 25067<ref name=satbeams-jcsat5 /><!--satellite catalogue number, omit leading zeroes (e.g. 25544)--> |
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| dimensions = {{cvt|26.1|x|7.6|m}} with [[Solar panels on spacecraft|solar panels]] and antennas deployed |
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| website = http://www.jsat.net/en/contour/jcsat-1b.html<!--Homepage of the craft/mission, OFFICIAL PAGES ONLY--> |
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| power = 5 [[Watt|kW]] |
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| mission_duration = <!--How long the mission lasted--> |
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| launch_date = 2 December 1997, 22:52:32 UTC <ref name=nasagsfc-nssdcajcsat5/> |
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<!--Spacecraft properties--> |
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| launch_rocket = [[Ariane 4|Ariane 44P]] |
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| spacecraft = JCSAT-5<!--Spacecraft name/serial number (e.g. Space Shuttle ''Discovery'', Apollo CM-118), etc--> |
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| |
| launch_site = [[Guiana Space Centre|Centre Spatial Guyanais]], [[ELA-2]] |
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| launch_contractor = [[Arianespace]] |
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| spacecraft_bus = [[Boeing 601|HS-601]]<!--e.g. A2100M, Star-2, etc--> |
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| manufacturer = [[Boeing Satellite Development Center|Hughes]]<!--company or companies who built the satellite--> |
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| launch_mass = {{convert|2982|kg|abbr=on}}<!--fuelled mass at launch, not including rocket or upper stage--> |
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| BOL_mass = <!--spacecraft mass in orbit at beginning of operational life, after LEOP phase--> |
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| landing_mass = <!--Mass after landing (recovered spacecraft only)--> |
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| dry_mass = {{convert|1308|kg|abbr=on}}<!--spacecraft mass in orbit without fuel--> |
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| payload_mass = <!--Mass of cargo carried by spacecraft (e.g. for Space Shuttle), or total mass of instrumentation/equipment/experiments for mission--> |
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| dimensions = {{convert|26.1|x|7.6|m|abbr=on}} with solar panels and antennas deployed.<!--body dimensions and solar array span--> |
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| power = 5 kW<!--end-of-life power, in watts--> |
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| entered_service = |
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<!--Launch details--> |
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| disposal_type = |
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| launch_date = {{start date|1997|12|02|22|52|32|7=Z}}<ref name=nasagsfc-nssdcajcsat5 /> |
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| deactivated = |
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| launch_rocket = [[Ariane 4|Ariane 44P]]<!--Rocket that launched the satellite, include upper stage if distinct from rocket* and if possible flight/tail/serial number--> |
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| last_contact = |
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| launch_site = [[Guiana Space Centre|GSC]] [[ELA-2]]<!--Where the rocket launched from, including complex and pad; do not include the full address or country--> |
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| launch_contractor = [[Arianespace]]<!--organisation(s) that conducted the launch (e.g. United Launch Alliance, Arianespace, etc)--> |
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| deployment_from = <!--place where deployed from--> |
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| deployment_date = <!--date deployed--> |
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| entered_service = <!--date on which the spacecraft entered service, if it did not do so immediately after launch--> |
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<!-- * - e.g. Proton-M/Briz-M not Proton-M, but Titan IV(401)A not Titan IV(401)A-Centaur--> |
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| orbit_reference = [[Geocentric orbit]] |
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<!--end of mission--> |
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| orbit_regime = [[Geostationary orbit]] |
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| disposal_type = <!--Whether the spacecraft was deorbited, decommissioned, placed in a graveyard orbit, etc--> |
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| orbit_longitude = 150° East |
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| deactivated = <!--when craft was decommissioned--> |
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| apsis = gee |
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| destroyed = <!--when craft was destroyed (if other than by re-entry)--> |
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| last_contact = <!--when last signal received if not decommissioned--> |
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| recovery_by = <!--recovered by--> |
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| recovery_date = <!--recovery date--> |
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| decay_date = <!--when craft re-entered the atmosphere, not needed if it landed--> |
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| landing_date = <!--when the spacecraft made a controlled landing, not needed if it did not return intact--> |
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| landing_site = <!--where the craft landed; site/runway or coordinates--> |
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<!-- |
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The following template should be used for ONE of the three above fields "end_of_mission", "decay" or "landing" if the spacecraft is no longer operational. |
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If it landed intact, use it for the landing time, otherwise for the date it ceased operations, or the decay date if it was still operational when it re-entered. |
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{{end date|YYYY|MM|DD|hh|mm|ss|TZ=Z}} (for Zulu/UTC) or {{end date|YYYY|MM|DD}} (if time unknown) |
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--> |
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| trans_band = [[Ku band|Ku-band]]:<br/>16 × 36 [[Hertz|Mhz]] + 16 × 27 MHz |
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<!--orbit parameters--> |
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| trans_frequency = |
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<!--as science-related articles, SI units should be the principal units of measurement, however we usually use {{convert}} to display imperial units in parentheses after the initial values--> |
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| trans_bandwidth = 1008 MHz |
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| orbit_reference = <!--geocentric, selenocentric, etc - please link (e.g. [[Geocentric orbit|Geocentric]])--> |
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| trans_capacity = |
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| orbit_regime = [[Geostationary orbit|GEO]]<!--high, low, medium, molniya, GSO - please link (e.g. [[Low Earth orbit|Low Earth]] - please don't use acronyms--> |
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| trans_coverage = Japan, [[East Asia]], [[South Asia]], Australia, [[Hawaii]] |
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| orbit_longitude = 150°East<!--geosynchronous satellites only--> |
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| trans_TWTA = 12 × 36 MHz 95 watts<br/>4 × 36 MHz 60 watts<br/>16 × 27 MHz 60 watts |
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| orbit_slot = <!--Designation of orbital position or slot, if not longitude (e.g plane and position of a GPS satellite)--> |
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| orbit_semimajor = <!--semimajor axis--> |
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| orbit_eccentricity = <!--orbital eccentricity--> |
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| orbit_periapsis = <!--periapsis altitude--> |
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| orbit_apoapsis = <!--apoapsis altitude--> |
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| orbit_inclination = <!--orbital inclination--> |
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| orbit_period = <!--time taken to complete an orbit--> |
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| orbit_RAAN = <!--right ascension of the ascending node--> |
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| orbit_arg_periapsis = <!--argument of perigee/periapsis--> |
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| orbit_mean_anomaly = <!--mean anomaly at epoch, only use in conjunction with an epoch value--> |
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| orbit_mean_motion = <!--mean motion of the satellite, usually measured in orbits per day--> |
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| orbit_repeat = <!--repeat interval/revisit time--> |
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| orbit_velocity = <!--speed at which the spacecraft was travelling at epoch - only use for spacecraft with low orbital eccentricity--> |
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| orbit_epoch = <!--the date at which the orbit parameters were correct--> |
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| orbit_rev_number = <!--revolution number--> |
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| apsis = <!--planet specific apsis term (e.g. gee/helion/selene/etc - defaults to generic "apsis")--> |
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| insignia = |
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<!--transponder parameters--> |
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| insignia_caption = |
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| trans_band = [[Ku band|K<sub>u</sub> band]]: 16 × 36 Mhz + 16 × 27 Mhz<!--Transponder frequency bands--> |
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| insignia_size = 200px |
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| trans_frequency = <!--specific frequencies--> |
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| trans_bandwidth = 1,008 MHz<!--bandwidth--> |
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| trans_capacity = <!--capacity of the transponders--> |
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| trans_coverage = <!--area covered--> |
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| trans_TWTA = 12 × 36 Mhz 95 [[Watt]]s<br />4 × 36 Mhz 60 Watts<br />16 × 27 Mhz 60Watts<!--TWTA output power--> |
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| trans_EIRP = <!--equivalent isotropic power--> |
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| trans_HPBW = <!--half-power beam width--> |
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| programme = [[JSAT (satellite constellation)|JCSAT constellation]] |
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<!--Only use where a spacecraft/mission is part of a clear programme of sequential missions. |
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| previous_mission = [[JCSAT-4]] |
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If in doubt, leave it out--> |
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| |
| next_mission = [[JCSAT-4A]] |
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| previous_mission = [[JCSAT-R]] |
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| next_mission = [[JCSAT-4A]] |
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<!--mission insignia or patch--> |
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| insignia = <!--omit the "file" prefix--> |
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| insignia_caption = <!--image caption--> |
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| insignia_alt = <!--image alt text--> |
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| insignia_size = <!--include px/em; defaults to 180px--> |
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}} |
}} |
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'''JCSAT-1B''', known as '''JCSAT-5''' before launch, is a [[geostationary orbit|geostationary]] [[communications satellite]] operated by [[SKY Perfect JSAT Group]] (JSAT) which was designed and manufactured by [[Hughes Space and Communications Company|Hughes]] (now [[Boeing Satellite Development Center|Boeing]]) on the [[Boeing 601|HS-601]] |
'''JCSAT-1B''', known as '''JCSAT-5''' before launch, is a [[geostationary orbit|geostationary]] [[communications satellite]] operated by [[SKY Perfect JSAT Group]] (JSAT) which was designed and manufactured by [[Hughes Space and Communications Company|Hughes]] (now [[Boeing Satellite Development Center|Boeing]]) on the [[Boeing 601|HS-601]] [[satellite bus]]. It has a pure [[Ku band|Ku-band]] payload and was used to replace [[JCSAT-1]] at the 150° East [[longitude]]. It covers Japan, [[Korea]], most of China, [[Thailand]], [[Vietnam]], [[Laos]], part of [[Indonesia]], part of [[Malaysia]] and [[Hawaii]].<ref name=gsp-jcsat5/><ref name=satbeams-jcsat5/><ref name=jsat-jcsat1b/> |
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== Satellite description == |
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The spacecraft was designed and manufactured by Boeing Satellite Development Center on the HS-601 satellite bus. It had a launch mass of {{cvt|2982|kg}} and a 12-year design life. Its [[Solar panels on spacecraft|solar panels]] span {{cvt|21|m}} when fully deployed and generated approximately 5 [[Watt|kW]] of power, with its antennas in fully extended configuration it is {{cvt|7.6|m}} wide.<ref name=jsat-jcsat1b/> It would provide communications services throughout Japan, [[East Asia]], [[South Asia]], Australia and [[Hawaii]].<ref name=gsp-jcsat5/> |
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Its payload is composed of sixteen 36 MHz plus another sixteen 27 MHz Ku-band [[Transponder (satellite communications)|transponders]], for a total bandwidth of 1008 MHz.<ref name=jsat-book2012whoweare/> Its twelve of the 36 MHz transponders have a [[Traveling-wave tube#Traveling-wave-tube amplifier|TWTA]] output power of 95 watts, the other four 36 MHz and the 27 MHz ones have 60 watts.<ref name=jsat-jcsat1b/><ref name=gsp-jcsat5 /> It can configure four 36 MHz transponders into two 76 MHz with an effective 95 watts.<ref name=gsp-jcsat5 /> |
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The Ku-band [[Footprint (satellite)|footprint]] covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.<ref name=jsat-jcsat1b/> |
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== History == |
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In June 1996, [[JSAT Corporation|JSAT]] (since then merged into [[SKY Perfect JSAT|SKY Perfect JSAT Group]]) ordered '''JCSAT-5''' from [[Hughes Space and Communications Company]] (now [[Boeing Satellite Development Center]]), to replace [[JCSAT-1]] at the 150° East slot. The [[Boeing 601|HS-601]] based satellite would provide coverage to Japan, East Asia, Australia and Hawaii.<ref name=gsp-jcsat5/> |
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An [[Ariane 4|Ariane 44P]] successfully launched JCSAT-5 on 2 December 1997 at 22:52:32 [[Coordinated Universal Time|UTC]] from [[Guiana Space Centre|Centre Spatial Guyanais]] [[ELA-2]] launch pad. Once successfully deployed, it was renamed as '''JCSAT-1B'''. It was driven to the 150° East position where it replaced [[JCSAT-1]].<ref name=gsp-jcsat5/> |
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The satellite experienced an anomaly on 17 January 2007 on one of its thrusters. But after the operator designed a control scheme to handle the satellite without the failed thruster, it was put back into service.<ref name=gsp-jcsat5/> |
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==Satellite description== |
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The spacecraft was designed and manufactured by [[Boeing Satellite Development Center|Boeing]] on the [[Boeing 601|BSS-601]] [[satellite bus]]. It had a launch mass of {{convert|2982|kg|abbr=on}} and a 12-year design life. Its solar panels span {{convert|21|m|abbr=on}} when fully deployed and generated approximately 5 kW of power, with its antennas in fully extended configuration it is {{convert|7.6|m|abbr=on}} wide.<ref name=jsat-jcsat1b /> It would provide communications services throughout Japan, East Asia, Australia and Hawaii.<ref name=gsp-jcsat5 /> |
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== References == |
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Its payload is composed of sixteen 36 MHz plus another sixteen 27 MHz [[Ku band|K<sub>u</sub> band]] [[Transponder (satellite communications)|transponders]], for a total bandwidth of 1,008 MHz.<ref name=jsat-book2012whoweare /> Its twelve of the 36 MHz transponders have a [[Traveling-wave tube#Traveling-wave-tube amplifier|TWTA]] output power of 95 [[Watt]]s, the other four 36 MHz and the 27 MHz ones have 60 Watts.<ref name=jsat-jcsat1b /><ref name=gsp-jcsat5 /> It can configure four 36 MHz transponders into two 76 MHz with an effective 95 Watts.<ref name=gsp-jcsat5 /> |
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{{Reflist|30em|refs= |
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<ref name=gsp-jcsat5>{{cite web|last1=Krebs|first1=Gunter|title=JCSat 5, 6 (JCSat 1B, 4A)|url=http://space.skyrocket.de/doc_sdat/jcsat-5.htm|publisher=Gunter's Space Page|access-date=2016-07-20|date=2016-04-21}}</ref> |
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The K<sub>u</sub> band [[Footprint (satellite)|footprint]] covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.<ref name=jsat-jcsat1b /> |
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<ref name=nasagsfc-nssdcajcsat5>{{cite web|url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1997-075A|title=Display: JCSAT 5 1997-075A|publisher=NASA|date=10 February 2021|access-date=20 March 2021}} {{PD-notice}}</ref> |
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==History== |
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In June 1996, [[JSAT Corporation|JSAT]] (since then merged into [[SKY Perfect JSAT Group]]) ordered '''JCSAT-5''' from [[Hughes Space and Communications Company|Hughes]] (now [[Boeing Satellite Development Center|Boeing]]), to replace [[JCSAT-1]] at the 150° East slot. The [[Boeing 601|HS-601]] based satellite would provide coverage to Japan, East Asia, Australia and Hawaii.<ref name=gsp-jcsat5 /> |
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<ref name=jsat-book2012whoweare>{{cite web|url=http://www.skyperfectjsat.co.jp/load_pdf.php?pTb=t_annual_&pRi=30&pJe=1|title=Who we are?|publisher=SKY Perfect JSAT|date=2012-08-03|access-date=2016-08-02}}</ref> |
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An [[Ariane 4|Ariane 44P]] successfully launched JCSAT-5 on December 2, 1997 at 22:52:32 [[UTC]] from [[Guiana Space Centre]] [[ELA-2]] launch pad. Once successfully deployed, it was renamed as '''JCSAT-1B'''. It was driven to the 150°East position where it replaced JCSAT-1.<ref name=gsp-jcsat5 /> |
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<ref name=jsat-jcsat1b>{{cite web|url=http://www.jsat.net/en/contour/jcsat-1b.html|title=JCSAT-1B|publisher=SKY Perfect JSAT|access-date=August 9, 2016|archive-date=18 August 2016|archive-url=https://web.archive.org/web/20160818203219/http://www.jsat.net/en/contour/jcsat-1b.html|url-status=dead}}</ref> |
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The satellite experienced an anomaly on January 17, 2007 on one of its thrusters. But after the operator designed a control scheme to handle the satellite without the failed thruster, it was put back into service.<ref name=gsp-jcsat5 /> |
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<ref name=satbeams-jcsat5>{{cite web|title=JCSat 1B (JCSat 5)|url=http://www.satbeams.com/satellites?norad=25067|publisher=Satbeams|access-date=26 July 2016}}</ref> |
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==References== |
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{{Reflist|2|refs= |
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<ref name=gsp-jcsat5>{{cite web |last1=Krebs |first1=Gunter Dirk |title=JCSat 5, 6 (JCSat 1B, 4A) |url=http://space.skyrocket.de/doc_sdat/jcsat-5.htm |website=Gunter's Space Page |access-date=2016-07-20 |date=2016-04-21}}</ref> |
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<ref name=nasagsfc-nssdcajcsat5>{{cite web |url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1997-075A |title=JCSAT 5 |publisher=NASA Space Science Data Coordinated Archive |date=27 April 2016 |access-date=2016-08-04}}</ref> |
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<ref name=jsat-book2012whoweare>{{cite web |url=http://www.skyperfectjsat.co.jp/load_pdf.php?pTb=t_annual_&pRi=30&pJe=1 |title=Who we are |publisher=S[[SKY Perfect JSAT Group]] |date=2012-08-03 |format=PDF |access-date=2016-08-02}}</ref> |
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<ref name=jsat-jcsat1b>{{cite web |url=http://www.jsat.net/en/contour/jcsat-1b.html |title=JCSAT-1B |publisher=[[SKY Perfect JSAT Group]] |access-date=August 9, 2016}}</ref> |
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<ref name=satbeams-jcsat5>{{cite web |title=JCSat 1B (JCSat 5) |url=http://www.satbeams.com/satellites?norad=25067 |publisher=Satbeams |accessdate=26 July 2016}}</ref> |
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}} |
}} |
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Latest revision as of 11:47, 25 April 2024
Names | JCSAT-5 (Jun 1996 to Dec 1997) JCSAT-1B (Dec 1997 onward) |
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Mission type | Communications |
Operator | SKY Perfect JSAT Group |
COSPAR ID | 1997-075A [1] |
SATCAT no. | 25067 |
Website | http://www.jsat.net/en/contour/jcsat-1b.html |
Mission duration | 12 years (planned) |
Spacecraft properties | |
Spacecraft | JCSAT-5 |
Spacecraft type | JCSAT |
Bus | HS-601 |
Manufacturer | Hughes |
Launch mass | 2,982 kg (6,574 lb) |
Dry mass | 1,308 kg (2,884 lb) |
Dimensions | 26.1 m × 7.6 m (86 ft × 25 ft) with solar panels and antennas deployed |
Power | 5 kW |
Start of mission | |
Launch date | 2 December 1997, 22:52:32 UTC [1] |
Rocket | Ariane 44P |
Launch site | Centre Spatial Guyanais, ELA-2 |
Contractor | Arianespace |
Orbital parameters | |
Reference system | Geocentric orbit |
Regime | Geostationary orbit |
Longitude | 150° East |
Transponders | |
Band | Ku-band: 16 × 36 Mhz + 16 × 27 MHz |
Bandwidth | 1008 MHz |
Coverage area | Japan, East Asia, South Asia, Australia, Hawaii |
TWTA power | 12 × 36 MHz 95 watts 4 × 36 MHz 60 watts 16 × 27 MHz 60 watts |
JCSAT-1B, known as JCSAT-5 before launch, is a geostationary communications satellite operated by SKY Perfect JSAT Group (JSAT) which was designed and manufactured by Hughes (now Boeing) on the HS-601 satellite bus. It has a pure Ku-band payload and was used to replace JCSAT-1 at the 150° East longitude. It covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.[2][3][4]
Satellite description[edit]
The spacecraft was designed and manufactured by Boeing Satellite Development Center on the HS-601 satellite bus. It had a launch mass of 2,982 kg (6,574 lb) and a 12-year design life. Its solar panels span 21 m (69 ft) when fully deployed and generated approximately 5 kW of power, with its antennas in fully extended configuration it is 7.6 m (25 ft) wide.[4] It would provide communications services throughout Japan, East Asia, South Asia, Australia and Hawaii.[2]
Its payload is composed of sixteen 36 MHz plus another sixteen 27 MHz Ku-band transponders, for a total bandwidth of 1008 MHz.[5] Its twelve of the 36 MHz transponders have a TWTA output power of 95 watts, the other four 36 MHz and the 27 MHz ones have 60 watts.[4][2] It can configure four 36 MHz transponders into two 76 MHz with an effective 95 watts.[2]
The Ku-band footprint covers Japan, Korea, most of China, Thailand, Vietnam, Laos, part of Indonesia, part of Malaysia and Hawaii.[4]
History[edit]
In June 1996, JSAT (since then merged into SKY Perfect JSAT Group) ordered JCSAT-5 from Hughes Space and Communications Company (now Boeing Satellite Development Center), to replace JCSAT-1 at the 150° East slot. The HS-601 based satellite would provide coverage to Japan, East Asia, Australia and Hawaii.[2]
An Ariane 44P successfully launched JCSAT-5 on 2 December 1997 at 22:52:32 UTC from Centre Spatial Guyanais ELA-2 launch pad. Once successfully deployed, it was renamed as JCSAT-1B. It was driven to the 150° East position where it replaced JCSAT-1.[2]
The satellite experienced an anomaly on 17 January 2007 on one of its thrusters. But after the operator designed a control scheme to handle the satellite without the failed thruster, it was put back into service.[2]
References[edit]
- ^ a b "Display: JCSAT 5 1997-075A". NASA. 10 February 2021. Retrieved 20 March 2021. This article incorporates text from this source, which is in the public domain.
- ^ a b c d e f g Krebs, Gunter (21 April 2016). "JCSat 5, 6 (JCSat 1B, 4A)". Gunter's Space Page. Retrieved 20 July 2016.
- ^ "JCSat 1B (JCSat 5)". Satbeams. Retrieved 26 July 2016.
- ^ a b c d "JCSAT-1B". SKY Perfect JSAT. Archived from the original on 18 August 2016. Retrieved 9 August 2016.
- ^ "Who we are?". SKY Perfect JSAT. 3 August 2012. Retrieved 2 August 2016.