Boeing 702
{{Short description|Satellite bus designed and manufactured by Boeing}}
{{Infobox spacecraft class
| name = Boeing Space Systems (BSS-702) Bus
| image = WGS 1.jpg
| image_caption = WGS (Wideband Global Satcom) satellite
| manufacturer = Boeing Defense, Space & Security
| designer =
| country = United States
| operator =
| applications = Communications
| spacecraft_type =
| spacecraft_bus =
| constellation =
| design_life = 15 years
| launch_mass = {{cvt|1500|to|6100|kg}}
| dry_mass =
| payload_capacity = {{cvt|200|to| 1620|kg}}
| crew_capacity =
| dimensions =
| volume =
| power = 3 to 18 kW
| batteries =
| equipment =
| orbits = Geostationary
| status = In production
| built =
| orders = 60
| launched = 47
| operational =
| retired =
| failed =
| lost = 3
| first = December 22, 1999 (Galaxy XI)
| last = August 6, 2019 (ViaSat-2)
| lastretired =
| derivedfrom =
| derivatives =
| subsatellites =
| subsatellite_of =
| flown_with =
| insignia =
| insignia_size =
| insignia_alt =
| insignia_caption =
| bottom_image =
| bottom_image_size =
| bottom_image_alt =
| bottom_image_caption =
| previous = BSS-601
| next =
}}
Boeing 702 is a communication satellite bus family designed and manufactured by the Boeing Satellite Development Center, and flown from the late-1990s into the 2020s. It covers satellites massing from {{convert|1500|kg|lb|abbr=on}} to {{convert|6100|kg|lb|abbr=on}} with power outputs from 3 to 18 kW and can carry up to approximately 100 high-power transponders.
The baseline Boeing 702 is compatible with several orbital launch systems, including Atlas V, Ariane 5, Delta IV, Falcon 9, Proton, and the Sea Launch-operated Zenit 3SL.
Platform versions
After the introduction of the original 702 in 1997, the platform has been continually updated. New members of the platform have been introduced through the years, which allowed the common systems and approaches to span the whole range of mass and power for geosynchronous orbit satellites. The family currently spans four different members: the 702HP for high-power applications, the 702HP-GEO for mobile-telephone services, the 702MP for medium-power requirements and the 702SP for small satellites.
| class="wikitable" |
| Platform
! 702HP ! 702HP-GEO ! 702MP ! 702SP |
|---|
| Year of introduction
| 1997 || 1997 || 2009 || 2012 |
| First launch
| 1999 || 2000 || 2012 || 2015 |
| First customer
| PanAmSat || SkyTerra || Intelsat || Asia Broadcast Satellite and SatMex (joint order) |
| Payload mass
| {{convert|600|kg|lb|abbr=on}} to {{convert|1620|kg|lb|abbr=on}} || {{convert|1250|kg|lb|abbr=on}} to {{convert|1480|kg|lb|abbr=on}} || {{convert|300|kg|lb|abbr=on}} to {{convert|650|kg|lb|abbr=on}} || {{convert|200|kg|lb|abbr=on}} to {{convert|680|kg|lb|abbr=on}} |
| Power, kW
| >12 || 8–10 || 6–12 || 3–8 |
| Spacecraft mass
| {{convert|5400|kg|lb|abbr=on}} to {{convert|5900|kg|lb|abbr=on}} || {{convert|5100|kg|lb|abbr=on}} to {{convert|5900|kg|lb|abbr=on}} || {{convert|5800|kg|lb|abbr=on}} to {{convert|6100|kg|lb|abbr=on}} || {{convert|1500|kg|lb|abbr=on}} to {{convert|2300|kg|lb|abbr=on}} |
= 702HP =
{{expand section|date=February 2016}}
The high-power 702 platform was originally announced in October 1998. With the 2009 introduction of the 702MP "mid-power version", the legacy Boeing 702 platform, which had been continuously evolved, was designated the Boeing 702HP for "high-power". According to Moog-ISP, the 702HP platform uses its bipropellant thrusters.
The SES-9, a 702HP model, launched aboard the Falcon 9 Flight 22 on 4 March 2016.
= 702 GEO-Mobile =
Developed in 1997 for their launch customer Thuraya, it is a special version of the 702HP platform with a 12.25-meter deployable antenna, onboard digital signal processing, and beamforming. It is a specialized platform for direct service of mobile users.
= 702MP =
In 2009, Boeing introduced the 702MP platform, a mid-power solution based on the high-power 702HP platform. The 702MP provides the high-capability features inherent in the flight-proven Boeing 702HP satellite model, but with a substantially updated satellite bus structure and simplified propulsion system. The 702MP was designed for satellites in the middle-level power ranges, supporting payloads ranging from 6 to 12 kilowatts. According to Moog-ISP, the 702MP platform uses both its bipropellant thrusters and LEROS liquid apogee engine.
Intelsat is the lead customer for the 702MP. Boeing built Intelsat 21, Intelsat 22, Intelsat 27, and Intelsat 29e (the first EpicNG) satellites based on the platform.
In May 2013, Intelsat ordered an additional four EpicNG satellites from Boeing. The first of this new order will be Intelsat 33e.
In July 2014, Boeing announced the order of a ninth Intelsat 702MP order, the EpicNG Intelsat 35e.
On January 15, 2015, the SatNews Publishers disclosed Boeing's second 702MP customer. New York Broadband LLC would order an L-band satellite Silkwave 1 to be fully leased to CMMB Vision of Hong Kong. The satellite is expected to enter service in 2018 in the 105° east orbital slot to replace AsiaStar.
= 702SP =
By 2005, Boeing was offering a Xenon Electrostatic ion thruster System (XIPS) option for the 702 satellite system. XIPS is 10 times more efficient than conventional liquid-fuel systems. On a XIPS equipped 702 satellite, four {{convert|25|cm|sp=us|abbr=on}} thrusters provide economical station keeping, needing only {{convert|5|kg|abbr=on}} of fuel per year, "a fraction of what bipropellant or arcjet systems consume". An XIPS-equipped satellite can be used for final orbit insertion, conserving even more payload mass, as compared to using a traditional on-board liquid apogee engine.
Beginning in 2012, Boeing began manifesting all-electric propulsion commsats on the 702SP XIPS propulsion bus for eventual location in geosynchronous orbit. These satellites were the first to be launched with the intent to fully position the satellites using electric propulsion, thus requiring 4–6 months following launch to ready the satellite for its communication mission, but at substantial reduction in launch mass and, therefore, launch cost.
{{Asof|2014|03}}, Boeing had sold four of the 702SP satellites to Asia Broadcast Satellite (ABS) of Hong Kong and Mexico's SatMex, with the first two commsats planned for a paired launch in early 2015.
In November 2014, Boeing released information that two of the 702SP satellites they have built—ABS-3A and Eutelsat 115 West B—had completed manufacture and had been stacked conjoined as they prepared for a launch on a SpaceX Falcon 9 vehicle in early 2015. This was to be Boeing's first conjoined launch of two commsats. The two commsats were launched aboard a SpaceX rocket from Cape Canaveral, Florida, at 3:50AM UTC on 2 March 2015 (10:50PM EST on 1 March 2015).
In February 2014, SES announced that it had ordered a Boeing 702SP-based sat for SES-15.
In March 2014, Boeing disclosed an early-2013 order by an unnamed U.S. government agency for three 702SP spacecraft.
In June 2015, Asia Broadcast Satellite (ABS) ordered an additional 702SP, ABS-8, planned to be launched by late 2017, in part because they were well satisfied with performance of ABS-3A, even before it reached its operative orbit. When launched on a Falcon 9, the total investment for ABS was sufficiently low that it would be acceptable even if another satellite to pair on the launch was not added.
ABS later cancelled the order after failing to successfully finance the project, in part related to changes to the mechanisms of the Ex-Im Bank during 2015. {{Asof|2015}}, Boeing and ABS considering other business agreement options.{{update after|2016}}
Customers
| class="wikitable" style="font-size:90%" |
| Customer
!702HP Satellites !702HP GEO-Mobile !702MP Satellites !702SP Satellites !Comments |
|---|
| Asia Broadcast Satellite
| | | |{{hlist|ABS-2A|ABS-3A|ABS-8 (cancelled)}} | |
| DirecTV
|{{hlist|DirecTV-10|DirecTV-11|DirecTV-12}} | | | | |
| Eutelsat
| | | |{{hlist|Eutelsat 115 West B|Eutelsat 117 West B}} | |
| Global IP Cayman
|{{hlist|GiSAT-1}} | | | | |
| Hughes Communications
|{{hlist|Spaceway F1|Spaceway F2|Spaceway F3}} | | | | |
| Inmarsat
|{{hlist|Inmarsat-5 F1|Inmarsat-5 F2|Inmarsat-5 F3|Inmarsat-5 F4}} | | | | |
| Intelsat
| | |{{hlist|Intelsat 21|Intelsat 22|Intelsat 27|Intelsat 29e|Intelsat 33e|Intelsat 35e}} | |Plus 3 unnamed EpicNG |
| Mexican Government
| |{{hlist|MEXSAT 1 (Centenario)|MEXSAT 2 (Morelos 3)}} | | | |
| New Skies
|{{hlist|NSS-8 (with XIPS)}} | | | |plus 2 options |
| New York Broadband LLC
| | |Silkwave 1 (NYBBSat 1) | | |
| PanAmSat
|{{hlist|Galaxy XI|Galaxy III-C|PAS-1R}} | | | | |
| Telesat Canada
| | | | |
| SES
|{{hlist|SES-9}} | | |{{hlist|SES-15|SES-20|SES-21}} | |
| SkyTerra
| |{{hlist|SkyTerra 1 (ex MSV 1)|SkyTerra-2 (cancelled)}} | | | |
| Thuraya
| |{{hlist|Thuraya 1|Thuraya 2|Thuraya 3}} | | | |
| Unnamed U.S. Government agency
| | | |
| United States Air Force
|Wideband Global SATCOM system | | | |{{hlist|10 firm }} |
| ViaSat
|{{hlist|ViaSat-2}} | | | | |
| XM Satellite Radio
|{{hlist|XM 1 "Rock"|XM 2 "Roll"|XM 3 "Rhythm"|XM 4 "Blues"}} | | | |
Orders and launches
| class="wikitable sortable mw-collapsible mw-collapsed"
!Customer !Satellite !Ordered !Launched !Result !Rocket !Model !Launch mass (kg) !Mass at BOL !Notes and references | |||||||||
| PanAmSat | Galaxy XI | 1997 | 1999-12-22 | {{Success}} | Ariane 44L | BSS-702 (concentrator arrays) | 4488 | 2775 | degradation of solar concentrators - long term power loss |
| Thuraya | Thuraya 1 | 1997 | 2000-10-21 | {{Success}} | Zenit-3SL | 702HP-GEO (Concentrator Arrays) | 5108 | 3200 | degradation of solar concentrators - long term power loss |
| PanAmSat | Intelsat 1R (formerly PAS-1R and Galaxy XIV) | 1997 | 2000-11-16 | {{Success}} | Ariane 5 G | BSS-702 (concentrator arrays) | 4758 | 2990 | degradation of solar concentrators - long term power loss |
| Telesat Canada | Anik F1 | 1998 | 2000-11-21 | {{Success}} | Ariane 44L | BSS-702 (concentrator arrays) | 4711 | 2950 | degradation of solar concentrators - long term power loss |
| XM Satellite Radio | XM-2 (Roll) | 1998 | 2001-03-18 | {{Success}} | Zenit-3SL | BSS-702 (concentrator arrays) | 4682 | 2950 | degradation of solar concentrators - long term power loss |
| XM Satellite Radio | XM-1 (Rock) | 1998 | 2001-05-08 | {{Success}} | Zenit-3SL | BSS-702 (concentrator arrays) | 4682 | 2950 | degradation of solar concentrators - long term power loss |
| PanAmSat | Galaxy III-C (formerly PAS 9 and Galaxy XIII) | 1997 | 2002-06-15 | {{Success}} | Zenit-3SL | BSS-702HP | 4810 | 2835 | |
| Thuraya | Thuraya 2 | 1997 | 2003-06-10 | {{Success}} | Zenit-3SL | 702HP-GEO | 5177 | 3200 | |
| Telesat Canada | Anik F2 | 2000 | 2004-07-18 | {{Success}} | Ariane 5 G+ | BSS-702HP | 5950 | 3805 | |
| XM Satellite Radio | MX-3 (Rhythm) | 2003 | 2005-03-01 | {{Success}} | Zenit-3SL | BSS-702HP | 4703 | ||
| Hughes Communications | Spaceway F1 | 1999 | {{nobr|2005-04-26}} | {{Success}} | Zenit-3SL | BSS-702HP | 6080 | 3832 | |
| Hughes Communications | Spaceway F2 | 1999 | 2005-11-16 | {{Success}} | Ariane 5 ECA | BSS-702HP | 6116 | 3832 | |
| XM Satellite Radio | XM-4 (Blues) | 2003 | 2006-10-30 | {{Success}} | Zenit-3SL | BSS-702HP | 5193 | ||
| New Skies | NSS-8 | 2001 | 2007-01-30 | {{Failure}} | Zenit-3SL | BSS-702HP | 5920 | 3800 | Plus 2 options |
| DirecTV | DirecTV-10 | 2004 | 2007-07-07 | {{Success}} | Proton-M / Briz-M | BSS-702HP | 5893 | 3700 | |
| Hughes Communications | Spaceway F3 | 1999 | 2007-08-14 | {{Success}} | Ariane 5 ECA | BSS-702HP | 6116 | 3832 | |
| United States Air Force | WGS 1 (USA 195) | 2002 | 2007-10-11 | {{Success}} | Atlas V (421) | BSS-702HP | 5987 | ||
| Thuraya | Thuraya 3 | 2002 | 2008-01-15 | {{Success}} | Zenit-3SL | 702HP-GEO | 5250 | 3200 | |
| DirecTV | DirecTV-11 | 2004 | 2008-03-19 | {{Success}} | Zenit-3SL | BSS-702HP | 5923 | 3700 | |
| United States Air Force | WGS 2 (USA 204) | 2002 | 2009-04-04 | {{Success}} | Atlas V (421) | BSS-702HP | 5987 | ||
| United States Air Force | WGS 3 (USA 211) | 2002 | 2009-12-06 | {{Success}} | Delta IV M+(5,4) | BSS-702HP | 5987 | ||
| DirecTV | DirecTV-12 | 2004 | 2009-12-29 | {{Success}} | Proton-M / Briz-M | BSS-702HP | 6060 | 3700 | |
| SkyTerra | SkyTerra-1 (ex MSV 1) | 2006 | 2010-11-14 | {{Success}} | Proton-M / Briz-M | 702HP-GEO | 5390 | 3200 | |
| United States Air Force | WGS 4 (USA 233) | 2006 | 2012-01-20 | {{Success}} | Delta IV M+(5,4) | BSS-702HP | |||
| Intelsat | Intelsat 22 | 2009 | 2012-03-25 | {{Success}} | Proton-M / Briz-M | BSS-702MP | 6199 | ||
| Intelsat | Intelsat 21 | 2009 | 2012-08-19 | {{Success}} | Zenit-3SL | BSS-702MP | 5984 | ||
| Intelsat | Intelsat 27 | 2010 | 2013-02-01 | {{Failure}} | Zenit-3SL | BSS-702MP | 6241 | ||
| United States Air Force | WGS 5 | 2006 | 2013-05-25 | {{Success}} | Delta IV M+(5,4) | BSS-702HP | |||
| United States Air Force | WGS 6 | 2007 | 2013-08-08 | {{Success}} | Delta IV M+(5,4) | BSS-702HP | |||
| Inmarsat | Inmarsat-5 F1 | 2010 | 2013-12-08 | {{Success}} | Proton-M / Briz-M | BSS-702HP | 6070 | 3750 | |
| Inmarsat | Inmarsat-5 F2 | 2010 | 2015-02-01 | {{Success}} | Proton-M / Briz-M | BSS-702HP | 6070 | 3750 | |
| Asia Broadcast Satellite | ABS-3A | 2012 | 2015-03-02 | {{Success}} | Falcon 9 v1.1 | BSS-702SP | 1954 | ||
| Eutelsat | Eutelsat 115 West B (ex SATMEX 7) | 2012 | 2015-03-02 | {{Success}} | Falcon 9 v1.1 | BSS-702SP | 2205 | ||
| Mexican Government | MEXSAT 1 (Centenario) | 2010 | 2015-05-16 | {{Failure}} | Proton-M / Briz-M | 702HP-GEO | 5325 | ||
| United States Air Force | WGS 7 | 2011 | 2015-07-24 | {{Success}} | Delta IV M+(5,4) | BSS-702HP | |||
| Inmarsat | Inmarsat-5 F3 | 2010 | 2015-08-28 | {{Success}} | Proton-M / Briz-M | BSS-702HP | 6070 | 3750 | |
| Mexican Government | MEXSAT 2 (Morelos 3) | 2010 | 2015-10-02 | {{Success}} | Atlas V (421) | 702HP-GEO | 5325 | ||
| Intelsat | Intelsat 29e | 2012 | 2016-01-27 | {{Success}} | Ariane 5 ECA | BSS-702MP | 6552 | Developed a fuel leak in April 2019, during attempts to recover satellite it experienced another anomaly and debris was spotted around satellite. Declared lost.{{Cite web |last=Krebs |first=Gunther |title=Intelsat 29e (IS 29e) |url=https://space.skyrocket.de/doc_sdat/intelsat-29e.htm |access-date=2024-10-21 |website=Gunter's Space Page |language=en}} | |
| SES | SES-9 | 2012 | 2016-03-04 | {{Success}} | Falcon 9 FT | BSS-702HP | 5330 | ||
| Asia Broadcast Satellite | ABS-2A | 2012 | 2016-06-15 | {{Success}} | Falcon 9 FT | BSS-702SP | |||
| Eutelsat | Eutelsat 117 West B (ex SATMEX 9) | 2012 | 2016-06-15 | {{Success}} | Falcon 9 FT | BSS-702SP | 1963 | ||
| Intelsat | Intelsat 33e | 2013 | 2016-08-24 | {{Success}} | {{nobr|Ariane 5 ECA}} | BSS-702MP | Satellite broke up 19 October 2024.{{Cite tweet |user=s4s_sda |number=1847819183272472884 |date=19 October 2024 |title=S4S has confirmed the breakup of Intelsat 33E (#41748, 2016-053B) ~0430 UTC. Currently tracking around 20 associated pieces - analysis ongoing. |access-date=20 October 2024}} | ||
| United States Air Force | WGS 8 | 2011 | 2016-12-07 | {{Success}} | Delta IV M+(5,4) | BSS-702HP | |||
| United States Air Force | WGS 9 | 2012 | 2017-03-08 | {{Success}} | Delta IV M+(5,4) | BSS-702HP | |||
| SES | SES-15 | 2015 | 2017-05-18 | {{Success}} | Soyuz ST-B / Fregat-MT | BSS-702SP | 2300 | ||
| Inmarsat | Inmarsat-5 F4 | 2013 | 2017-05-15 | {{Success}} | Falcon 9 FT | BSS-702HP | 6070 | 3750 | |
| ViaSat | ViaSat-2 | 2013 | 2017-06-01 | {{Success}} | Ariane 5 ECA | BSS-702HP | 6400 | ||
| Intelsat | Intelsat 35e | 2014 | 2017-07-05 | {{Success}} | Falcon 9 FT | BSS-702MP | |||
| Intelsat | Intelsat 37e | 2013 | 2017-09-17 | {{Success}} | Ariane 5 ECA | BSS-702MP | |||
| Intelsat | Horizons-3e | 2015 | 2018-09-25 | {{Success}} | Ariane 5 ECA | BSS-702MP | |||
| United States Air Force | WGS 10 | 2012 | 2018-03-19 | {{Success}} | Delta IV M+(5,4) | BSS-702HP | |||
| Spacecom | Amos-17 | 2016 | 2019-08-06 | {{Success}} | Falcon 9 FT | BSS-702MP | 6500 | ||
| SKY Perfect JSAT | JCSat 18/Kacific 1 | 2017 | 2019-12-16 | {{Success}} | Falcon 9 FT | BSS-702MP | 6800 | ||
| New York Broadband LLC | Silkwave 1 (NYBBSat 1) | 2015 | TBD | {{Planned}} | BSS-702MP | ~6000 | |||
| Intelsat | Intelsat TBD | 2013 | 202x | {{Planned}} | BSS-702MP | ||||
| SES | SES-20 | 2020 | 2022 | {{Planned}} | BSS-702SP | ||||
| SES | SES-21 | 2020 | 2022 | {{Planned}} | BSS-702SP | ||||
| ViaSat | ViaSat-3 Americas | 2016 | 2023-05-01 | {{Partial failure}} | Falcon Heavy | BSS-702HP | 6418 | Experienced antenna-deployment anomaly that limited throughput to <10%. | |
| ViaSat | ViaSat-3 EMEA | 2016 | 2025 | {{Planned}} | Atlas V 551 | BSS-702HP | 6400 | ||
| ViaSat | ViaSat-3 APAC | 2019 | TBD | {{Planned}} | BSS-702HP | 6400 | |||
| ViaSat | ViaSat-3 (option) | {{TBA}} | BSS-702HP | 6400 | Option | ||||
| United States Air Force | WGS 11 | 2019 | 2023 | {{Planned}} | BSS-702X | ||||
| Unnamed U.S. Government agency | (US Gov 1) | 2013 | TBA | {{TBA}} | BSS-702SP | ||||
| Unnamed U.S. Government agency | (US Gov 2) | 2013 | TBA | {{TBA}} | BSS-702SP | ||||
| Unnamed U.S. Government agency | (US Gov 3) | 2013 | TBA | {{TBA}} | BSS-702SP | ||||
| APMT | APMT 1 | 1998 | Cancelled | {{Dropped|Cancelled}} | Long March 3B | 702HP-GEO (Concentrator Arrays) | Order cancelled after manufacturer failed to get an export license for launching on a Chinese rocket | ||
| APMT | APMT 2 | 1998 | Cancelled | {{Dropped|Cancelled}} | Long March 3B | 702HP-GEO (Concentrator Arrays) | Order cancelled after manufacturer failed to get an export license for launching on a Chinese rocket | ||
| Asia Broadcast Satellite | ABS-8 | 2015 | TBD | {{Dropped|Cancelled}} | Falcon 9 FT | BSS-702SP | Order cancelled due to the U.S. Export-Import Bank's loss of its operating charter due to congressional opposition | ||
| Global IP Cayman | GiSAT-1 | 2016 | TBD | {{Dropped|Cancelled}} | BSS-702MP | 6000 | Order cancelled after the company was the center of controversies, as Chinese investors had taken control of Global IP. | ||
| Mobile Satellite Ventures | MSV SA | 2006 | Cancelled | {{Dropped|Cancelled}} | 702HP-GEO | 5400 | 3200 | ||
| SkyTerra | SkyTerra 2 (ex MSV 2) | 2006 | Cancelled | {{Dropped|Cancelled}} | Proton-M / Briz-M | 702HP-GEO | 5400 | 3200 |
References
{{Reflist|35em|refs=
{{cite web |title=Boeing to Build Intelsat 35e EpicNG Satellite |url=http://boeing.mediaroom.com/Boeing-to-Build-Intelsat-35e-EpicNG-Satellite |publisher=Boeing |format=Press Release |date=2014-07-08 |accessdate=2015-03-09 }}
{{cite web |title=Boeing Satellite to Expand Mobile Communications Services in Asia |url=http://boeing.mediaroom.com/2015-10-27-Boeing-Satellite-to-Expand-Mobile-Communications-Services-in-Asia |publisher=Boeing |format=Press Release |date=2015-10-27 |accessdate=2015-10-30}}
{{cite web |url=http://www.moog.com/products/thrusters.html |title=Thrusters |publisher=Moog Inc. |access-date=2016-08-09 |archive-url=https://web.archive.org/web/20160810052623/http://www.moog.com/products/thrusters.html |archive-date=2016-08-10 |url-status=dead }}
}}
External links
- [https://www.youtube.com/watch?v=P-lYHj0XtSQ Boeing 702SP dual-stack integration and test], Boeing, December 2014.
{{Hughes satellites}}