Author Topic: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017  (Read 19196 times)

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Article:
https://www.nasaspaceflight.com/2017/05/arianespace-soyuz-st-b-loft-ses-15/

Couldn't find a thread for this:

Quote
@SES_Satellites @Boeing-built, all-electric SES-15 sat arrives at Euro spaceport for late-April Soyuz launch to GTO, a 1st for @Arianespace.

https://twitter.com/pbdes/status/841941748469358592
« Last Edit: 05/18/2017 11:40 AM by Galactic Penguin SST »

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Re: Soyuz - SES-15 - April 2017
« Reply #1 on: 03/15/2017 09:22 AM »
SES press release:

Quote
SES-15 Arrives at Kourou for Launch Onboard Soyuz

Written on 15 Mar 2017

First SES hybrid satellite with high throughput capability to serve leading inflight connectivity and entertainment providers; also carries WAAS payload to augment the GPS

LUXEMBOURG, 15 March 2017 -- SES (Euronext Paris and Luxembourg Stock Exchange: SESG) announced today that the SES-15 satellite has arrived at the European space Center in Kourou, French Guiana, in preparation for its launch by a Soyuz vehicle in April 2017.

Designed and manufactured by Boeing, SES-15 will carry a hybrid payload, with additional Ku-band wide beams and Ku- as well as Ka-band High Throughput Satellite (HTS) capability. The satellite will be equipped with an electric propulsion system for orbit-raising and in-orbit maneuvers. The satellite will also carry the Wide Area Augmentation Systems (WAAS), a US government-funded hosted payload to augment the Global Positioning Systems (GPS).

SES-15 is the first SES hybrid satellite to be launched and is equipped with 16 Ku-band transponders (36MHz equivalent) as well as a 10 GHz high throughput payload. The all-electric satellite will operate at the new orbital position of 129 degrees West and will serve North America, Mexico, Central America and the Caribbean.

SES-15 is the first of three hybrid wide beam and HTS satellites, delivering optimized and flexible global coverage for major global IFC/IFE providers who have made significant, long-term pre-commitments. The satellite will also enable other traffic intensive data applications such as government, VSAT networks and maritime.

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Quote
Stéphane Israël‏ @arianespaceceo 4m4 minutes ago

Going electric! @SES_Satellites’ electric-propelled #SES15 arrives in French Guiana for launch on our next #Soyuz Flight, #VS17 in April

https://twitter.com/arianespaceceo/status/842028494683017216

Quote
Stéphane Israël‏ @arianespaceceo 3m3 minutes ago

I’m pleased to welcome @Boeing back to the Spaceport with delivery of the company-built #SES15 for @arianespace’s #Soyuz Flight #VS17

https://twitter.com/arianespaceceo/status/842028656608305155

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Offline ZachS09

In the Arianespace Launch Schedule, it says that SES-15 is launching atop the Soyuz-STA Fregat-M variant.

Any sources confirming that?
"Liftoff of Falcon 9: the world's first reflight of an orbital-class rocket."

Offline russianhalo117

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In the Arianespace Launch Schedule, it says that SES-15 is launching atop the Soyuz-STA Fregat-M variant.

Any sources confirming that?
Arianespace mission 17was originally ordered as am ST-B but changed to an ST-A per http://forum.nasaspaceflight.com/index.php?topic=17286.550
« Last Edit: 03/21/2017 12:44 PM by russianhalo117 »

Offline Nicolas PILLET

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According to RKTs-Progress, it is Soyuz-ST-A...

http://www.samspace.ru/news/press_relizy/9734/
Nicolas PILLET
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Quote
Volga-Dnepr Airlines has delivered the third stage of the Soyuz-ST launch vehicle to Europe’s Spaceport in Cayenne

https://twitter.com/volgadneprgroup/status/845185271469555713

Quote
If you were wondering, this arrived last week and is already at #CSG #VS17

https://twitter.com/dutchspace/status/845196453429456896

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SES ‏Verified account @SES_Satellites 2m2 minutes ago

#SES15 @Arianespace @BoeingDefense

https://twitter.com/SES_Satellites/status/845231604050116608


Offline russianhalo117

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Quote
Volga-Dnepr Airlines has delivered the third stage of the Soyuz-ST launch vehicle to Europe’s Spaceport in Cayenne

https://twitter.com/volgadneprgroup/status/845185271469555713

Quote
If you were wondering, this arrived last week and is already at #CSG #VS17

https://twitter.com/dutchspace/status/845196453429456896
actually its the stages return after work being done on it after the Soyuz-U failure.

Offline Jester

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Re: Soyuz ST-B Flight VS17 - SES-15 - April 4, 2017 (14:47 UTC)
« Reply #10 on: 03/27/2017 06:21 PM »
this launch will shift at least 1 week, probably 2 given the current situation in kourou

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #13 on: 05/05/2017 06:35 AM »
VS 17 launch sticker of CSG

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #14 on: 05/09/2017 06:53 PM »
Quote
SES-15 is readied for its May 18 liftoff on Arianespace’s workhorse Soyuz launcher

Payload preparations are advancing for Arianespace’s upcoming launch: a Soyuz mission to orbit the SES-15 telecommunications spacecraft from the Spaceport in French Guiana next week.

The satellite has been installed on its payload adapter, which will serve as the integration interface with the Soyuz launch vehicle. This mating activity occurred in the Spaceport’s S1B clean room facility.

SES-15 will be the 40th satellite launched by Arianespace for the European-based SES satellite operator, and it marks this long-time customer’s first use of the Soyuz from French Guiana.

The satellite has an estimated liftoff mass of 2,302 kg., with the workhorse Soyuz launcher’s total lift performance set at 2,447 kg. – taking into account the payload integration equipment and other hardware.

Next week’s mission is set for a May 18 liftoff in the morning hours from the Spaceport’s Soyuz Launch Complex (ELS) in Sinnamary, French Guiana, delivering SES-15 into a sub-geostationary transfer orbit. The mission is designated Flight VS17 in Arianespace’s launcher family numbering system, signifying the 17th Soyuz liftoff from the Spaceport.

http://www.arianespace.com/mission-update/ses-15-preparations-vs17/

Picture caption:

Quote
Installation of SES-15 on its payload adapter
SES-15 is installed on its payload adapter in the Spaceport’s S1B clean room facility.

Edit:added launch kit
« Last Edit: 05/18/2017 01:16 PM by Jester »

Offline jacqmans

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #15 on: 05/11/2017 02:45 PM »
ROSKOSMOS.  SOYUZ-ST-A LV TO LEAD SATELLITE TO GEOSTATIONARY ORBIT

 05/11/2012 2:05 PM

 On May 18, 2017 at 14:54:53 Moscow time the launch of the Soyuz-ST-A carrier rocket from the launch complex 371SK13 of the Guiana Space Center (Kourou, French Guiana) is planned.  The Russian carrier rocket and the Fregat-M upper stage will bring the SES-15 telecommunications spacecraft into geostationary orbit.


 In accordance with the schedule for the preparation of the launch vehicle and the space head (KGS) on the technical and launching complexes, it is planned to complete the assembly of the UGC before May 12.  Based on the results of the work of May 13, the commission will consider the issue of the readiness of the carrier rocket, the upper stage, the spacecraft, the head fairing and ground technological equipment and will decide on the removal of the launch vehicle on the launch complex on May 15 and its installation in the launch system.  Within three days after the launch of the launch vehicle, work will be carried out to prepare the launcher for launch.


 The preparation of the Soyuz-ST-A LV and the work of the ground-based technological equipment supplied by the Russian side is provided by specialists of the ROSKOSMOSA enterprises.  Launch of space vehicles from the Guiana Space Center will conduct joint Russian-European launch calculations.


 The customer of the launch is the European company SES, one of the world leaders in the field of satellite telecommunications.  Spacecraft SES-15, manufactured by Boeing Satellite Systems, is designed to provide telecommunications services in North America and Central America.


 ***


 The Guiana Space Center is a European cosmodrome located near the town of Kourou in French Guiana (department of France in South America).  Its location near the equator provides a 15% payload advantage compared to the launches in the east direction from the US spaceport at Cape Canaveral and 40% at launches from the Baikonur cosmodrome.  Since the beginning of the 70s of the last century, the SCC is used to launch spacecraft by the carrier rockets of the Arian family.  The spaceport is used in the interests of joint European space programs.


 The Russian-European project "Union" in the Guiana Space Center "began in 2003, when at the governmental level it was decided to launch the Soyuz rocket from the European spaceport in French Guiana.  Within the framework of the adopted decisions, a number of intergovernmental agreements were signed that laid the legal basis for signing contracts for the creation of the ground infrastructure of the Soyuz launch complex, the manufacture and shipment of the Soyuz-ST and the Fregat upper stages in the Guiana Space Center.  In 2005, the construction of the launch complex for the Soyuz-ST LV began, and in May 2011 an official ceremony was held to transfer the launch pad to the European Space Agency and to the operator of the space center, Arianespace.  The first launch of the Soyuz-ST LV took place in October 2011.  Annually 2-3 launches are carried out both in the interests of ESA, and in the interests of commercial companies.

https://www.roscosmos.ru/23543/

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #16 on: 05/11/2017 04:16 PM »
Does anyone understand that second paragraph of that Roscosmos news release, or do I need to go back to 3rd Grade?!?!  I think something got lost in translation....

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #17 on: 05/11/2017 04:36 PM »

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #18 on: 05/11/2017 04:58 PM »
Flight VS17: Second mission to geostationary transfer orbit for Soyuz from the Guiana Space Center at the service of SES


May 11, 2017 – For its fifth launch of the year, Arianespace will use a Soyuz launcher to orbit SES-15 – the first all-electric geostationary satellite for the European operator SES.

 This will mark the second mission in 2017 to geostationary transfer orbit performed by Soyuz from the Guiana Space Center in French Guiana.

 The launch will be from the Soyuz Launch Complex (ELS) in Sinnamary, French Guiana.

 The Launch Readiness Review (LRR) will take place on Wednesday, May 17, 2017 in Kourou, to authorize the start of operations for the final countdown.
 

 SES-15 is the 40th satellite to be launched by Arianespace for the European satellite operator SES, following ASTRA 5B – orbited by an Ariane 5 in March 22, 2014.

 As the first hybrid satellite in SES’ fleet, SES-15 will offer a mix of wide beam coverage and high throughput (HTS) capacity. The satellite will provide additional Ku-band wide beams and Ku-band HTS capability, with connectivity to gateways in Ka-band.

 SES-15 will serve the thriving aeronautical sector and will enable other traffic-intensive data applications such as government, VSAT networks and maritime.

 Positioned at the new orbital location of 129 degrees West, SES-15 will offer extensive coverage over North America, Mexico and Central America, stretching from Arctic Alaska to the South of Panama and from Hawaii to the Caribbean.

 SES-15 was built by Boeing in El Segundo, California using the all-electric 702SP platform, and it is the 53rd Boeing-built satellite to be launched by Arianespace.
•For further information, download the Launch Kit by clicking here: http://www.arianespace.com/press-kits/
   
•To watch a live, high-speed online transmission of the launch (including commentary from the launch site in French and English), go to arianespace.com on May 18, 2017 starting 15 minutes before liftoff.
   
•You also can follow the launch live on your iPhone or iPad (the Arianespace HD app is free).
 
 

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #19 on: 05/11/2017 05:05 PM »
In the Arianespace Launch Schedule, it says that SES-15 is launching atop the Soyuz-STA Fregat-M variant.

Any sources confirming that?
Arianespace mission 17was originally ordered as am ST-B but changed to an ST-A per http://forum.nasaspaceflight.com/index.php?topic=17286.550

But, why?

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #20 on: 05/12/2017 04:16 PM »

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #21 on: 05/15/2017 11:19 AM »
In the Arianespace Launch Schedule, it says that SES-15 is launching atop the Soyuz-STA Fregat-M variant.

Any sources confirming that?
Arianespace mission 17was originally ordered as am ST-B but changed to an ST-A per http://forum.nasaspaceflight.com/index.php?topic=17286.550

But, why?

havent checked, a guess-> ST-B performance not needed, ST-A cheaper.

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #22 on: 05/15/2017 12:30 PM »
Quote
DutchSpace‏ @DutchSpace 3m3 minutes ago

Meanwhile #SES15 was moved from S1B to S3B last week for fueling and will move again today for launch prep on #Soyuz #VS17

https://twitter.com/DutchSpace/status/864094725007081472

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #23 on: 05/15/2017 08:13 PM »
May 15, 2017

Soyuz’ “upper composite” with SES-15 is readied for Arianespace’s next launch from the Spaceport

Payload build-up is underway in French Guiana for Arianespace's medium-lift Soyuz mission this week, which is to orbit the SES-15 telecommunications satellite for European-based operator SES.

These preparations – performed inside the Spaceport’s S3B clean room facility – involved the installation of SES-15 atop Soyuz’ Fregat upper stage, enabling its encapsulation in the two-piece protective payload fairing.

The completed unit, called the “upper composite,” will be mated atop Soyuz after the vehicle’s rollout from the MIK integration building – where launcher assembly is handled – to the ELS launch zone.

Another milestone flight for Soyuz

Scheduled for liftoff on May 18 at precisely 8:54:53 a.m. local time in French Guiana, Soyuz will carry out a 5-hr., 18-min. mission from launch to SES-15’s separation into a sub-geostationary transfer orbit. Fregat – which is responsible for the final orbital maneuvers – will perform two burns separated by a four-hour-plus ballistic phase to reach the targeted deployment point.

SES-15 will be the 40th spacecraft orbited by Arianespace for SES, and its launch marks this long-time customer’s first use of Soyuz from French Guiana. The Boeing-built satellite has an estimated liftoff mass of 2,302 kg., with the mission’s total lift performance set at 2,447 kg. – taking into account the payload integration equipment and other hardware.

Arianespace’s May 18 mission, designated Flight VS17 in the company’s numbering system, will be the second-ever launch to geostationary transfer orbit performed by Soyuz from Europe’s Spaceport in French Guiana. The first was conducted earlier this year, with the Hispasat 36W-1 satellite successfully deployed on January 27.

 http://www.arianespace.com/mission-update/soyuz-vs17-upper-composite/

Launch window for Flight VS17

Liftoff is scheduled for Thursday, May 18, 2017 at exactly:

- French Guiana: 08:54:53 a.m.

- Universal Time (UTC): 11:54:53 a.m.

- Washington, D.C.: 07:54:53 a.m.

- Luxembourg: 01:54:53 p.m.

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #24 on: 05/16/2017 09:20 AM »
Quote
DutchSpace‏ @DutchSpace 1m1 minute ago

Launch is getting close, nice shot of #SES15 being mated with Fregat #Soyuz #VS17 #CSG @SES_Satellites

https://twitter.com/DutchSpace/status/864409557170311168

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #25 on: 05/16/2017 03:55 PM »

Offline Nicolas PILLET

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #26 on: 05/16/2017 04:50 PM »

havent checked, a guess-> ST-B performance not needed, ST-A cheaper.


Maybe at some point this flight was supposed to carry another payload ?
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Offline BabaORileyUSA

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #27 on: 05/16/2017 05:17 PM »

havent checked, a guess-> ST-B performance not needed, ST-A cheaper.


Maybe at some point this flight was supposed to carry another payload ?

I'm wondering if it has to do with quality control at the Voronezh Mechanical Plant, where they make the Soyuz and Proton engines....

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #28 on: 05/17/2017 09:58 AM »

Offline jacqmans

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #29 on: 05/17/2017 09:58 AM »

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #30 on: 05/17/2017 09:58 AM »

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #31 on: 05/17/2017 10:02 AM »
May 16, 2017 

Assembled for launch: Soyuz receives the SES-15 passenger for its May 18 liftoff

SES-15 is another step closer to its Thursday liftoff as this telecommunications satellite has now been positioned atop Arianespace's Soyuz launcher in French Guiana.

Integration occurred this week during activity at the Spaceport, in which the basic three-stage Russian-built Soyuz vehicle was rolled out from its MIK integration building and erected on the launch pad.

This was followed by transfer of the mission’s “upper composite” – consisting of SES-15, the Fregat upper stage and payload fairing – for integration atop Soyuz, which is enclosed inside a protective mobile gantry.

With Soyuz completed, all is now ready for the final checkout and tomorrow’s Launch Readiness Review – which will clear the way for a May 18 morning departure of the medium-lift mission, designated Flight VS17 in Arianespace’s launcher family numbering system.

Soyuz’ second Spaceport mission to GTO

Flight VS17 will be the second-ever launch to geostationary transfer orbit performed by Soyuz from Europe’s Spaceport in French Guiana. The first was conducted earlier this year, successfully deploying Hispasat 36W-1 on January 27.

SES-15, produced by Boeing using the all‐electric 702SP platform, will be the 40th spacecraft orbited by Arianespace for long-time customer SES. It is to be operated from an orbital position of 129 deg. West, with the satellite offering extensive coverage over North America, Mexico and Central America – stretching from Arctic Alaska to the South of Panama, and from Hawaii to the Caribbean.

The spacecraft has an estimated liftoff mass of 2,302 kg., with the workhorse Soyuz launcher’s total lift performance set at 2,447 kg. – factoring in the payload integration equipment and other hardware.

http://www.arianespace.com/mission-update/soyuz-assembled-for-vs17-launch/

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #32 on: 05/17/2017 12:44 PM »
Another ESA shot of VS17 (there's a thumbnail on the ESA website but no larger vision I could find yet):

Quote
DutchSpace‏ @DutchSpace 7m7 minutes ago

Close to launch, not to the moon but a nice shot anyway... #VS17 #SES15 #CSG #Soyuz

https://twitter.com/DutchSpace/status/864821905613783040

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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #33 on: 05/17/2017 05:13 PM »
I'm wondering if it has to do with quality control at the Voronezh Mechanical Plant, where they make the Soyuz and Proton engines....

Problems with RD-0110 engine in VMZ are now resolved. The engine has flown twice since the December failure.

If there were any problem with a CSG-involved launch, it would have led to a report of the launch, not to a switch to a very more expensive launcher !

Do not see Evil everywhere...
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Re: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #34 on: 05/17/2017 07:10 PM »
Quote
#Soyuz is ready for flight! The launch readiness review has cleared this vehicle for tomorrow’s #VS17 liftoff w/ @SES_Satellites’ #SES-15

https://twitter.com/arianespaceceo/status/864896426240876544


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Re: LIVE: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #36 on: 05/18/2017 07:42 AM »
Some pics of the earlier Soyuz roll-out (before payload mate).
Source: CSG facebook.

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Re: LIVE: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #37 on: 05/18/2017 09:55 AM »
May 17, 2017 

Arianespace’s Soyuz is approved for liftoff with SES-15

Authorization has been given for tomorrow’s Arianespace Soyuz launch from French Guiana, providing the “all clear” for this medium-lift mission that will orbit a telecommunications satellite for European-based operator SES.

The approval was granted today after the regular pre-launch review for Arianespace flights – which confirmed the readiness of Soyuz and its SES-15 satellite passenger, the launch site and associated infrastructure at the Spaceport, as well as the network of downrange tracking stations.

The May 18 mission – designated VS17 in Arianespace’s numbering system – will be performed from the purpose-built ELS launch facility for Soyuz. Liftoff is scheduled at precisely 8:54:53 a.m. local time in French Guiana, with SES-15 to be deployed during a flight lasting approximately 5 hrs., 18 min.

Built by Boeing, SES-15 will be the 40th spacecraft orbited by Arianespace for long-time customer SES. It has an estimated liftoff mass of 2,302 kg., while the mission’s total lift performance to geostationary transfer orbit is set at 2,447 kg. – taking into account the payload integration equipment and other hardware.

SES-15 is to be operated by SES from an orbital position of 129 deg. West, with the satellite offering extensive coverage over North America, Mexico and Central America – stretching from Arctic Alaska to the South of Panama, and from Hawaii to the Caribbean.

Flight VS17 will be Arianespace’s fifth mission performed so far in 2017 (following two using the heavy-lift Ariane 5, and one each with the medium-lift Soyuz and lightweight Vega), as well as the 17th Soyuz liftoff performed from French Guiana since this vehicle’s 2011 introduction at the Spaceport.

http://www.arianespace.com/mission-update/vs17-ral-ses-15/

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Re: LIVE: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #38 on: 05/18/2017 10:03 AM »


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Re: LIVE: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #40 on: 05/18/2017 11:33 AM »
Eight minutes to start of webcast.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #41 on: 05/18/2017 11:36 AM »
Colour check.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-B Flight VS17 - SES-15 - May 18, 2017
« Reply #42 on: 05/18/2017 11:39 AM »
90 seconds to start of webcast.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Green at T-14 mins

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #44 on: 05/18/2017 11:42 AM »
Webcast has begun.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #45 on: 05/18/2017 11:43 AM »
Vehicle and spacecraft specs.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #46 on: 05/18/2017 11:44 AM »
T-12 minutes. Showing Arianespace promo videos (also available on Youtube).
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.


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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #48 on: 05/18/2017 11:45 AM »
T-11 minutes.
« Last Edit: 05/18/2017 11:46 AM by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #49 on: 05/18/2017 11:46 AM »
T-10 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #50 on: 05/18/2017 11:47 AM »
T-9 minutes. Arianespace CEO.
« Last Edit: 05/18/2017 11:48 AM by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #51 on: 05/18/2017 11:48 AM »
T-8 minutes. About 5.5 hours to separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #52 on: 05/18/2017 11:49 AM »
T-7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #53 on: 05/18/2017 11:50 AM »
T-6 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #54 on: 05/18/2017 11:51 AM »
T-5 minutes. Joining two halves of core.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #55 on: 05/18/2017 11:52 AM »
T-4 minutes. Only electrical checks performed on spacecraft.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #56 on: 05/18/2017 11:53 AM »
T-3 minutes. Was wet and rainy before.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #57 on: 05/18/2017 11:54 AM »
T-2 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.


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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #59 on: 05/18/2017 11:55 AM »
T-1 minute. People heading outside.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #60 on: 05/18/2017 11:56 AM »
Liftoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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LAUNCH!

Online Chris Bergin


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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #63 on: 05/18/2017 11:57 AM »
T+1 minute.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.


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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #65 on: 05/18/2017 11:58 AM »
First stage separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #66 on: 05/18/2017 11:59 AM »
T+3 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online Chris Bergin

Fairings.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #68 on: 05/18/2017 12:00 PM »
Fairing separation.

T+4 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online Chris Bergin

On to the third stage.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #70 on: 05/18/2017 12:00 PM »
Second stage separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #71 on: 05/18/2017 12:02 PM »
T+6 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #72 on: 05/18/2017 12:02 PM »
Natal Acquisition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.


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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #74 on: 05/18/2017 12:03 PM »
T+7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #75 on: 05/18/2017 12:04 PM »
T+8 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #76 on: 05/18/2017 12:04 PM »
Third stage separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #77 on: 05/18/2017 12:05 PM »
Fregat ignition!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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On to Fregat's first burn.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #79 on: 05/18/2017 12:07 PM »
T+11 minutes. Fregat can ignite up to 20 times.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #80 on: 05/18/2017 12:08 PM »
T+12 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #81 on: 05/18/2017 12:09 PM »
Ascension acquisition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #82 on: 05/18/2017 12:10 PM »
T+14 minutes. Talking about satellite.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #83 on: 05/18/2017 12:11 PM »
T+15 minutes. Includes WAAS hosted payload.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #84 on: 05/18/2017 12:12 PM »
T+16 minutes. Talking about Ascension Island and electric satellites. Everything is going normally.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #85 on: 05/18/2017 12:13 PM »
T+17 minutes. Electric can reduce the mass by up to half.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #86 on: 05/18/2017 12:13 PM »
Libreville acquisition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #87 on: 05/18/2017 12:15 PM »
T+19 minutes. Time to GSO was able to be reduced by one month by optimising the insertion orbit.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #88 on: 05/18/2017 12:16 PM »
T+20 minutes. Telemetry turns on automatically after separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #89 on: 05/18/2017 12:17 PM »
T+21 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #90 on: 05/18/2017 12:18 PM »
T+22 minutes. Drops SES-15 at 31,303 km apogee. Takes 7 months to get to GSO.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #91 on: 05/18/2017 12:19 PM »
Malindi acquisition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #92 on: 05/18/2017 12:19 PM »
First cutoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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5pm UTC is when they will come back with coverage.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #94 on: 05/18/2017 12:21 PM »
T+25 minutes. Coming back at 2:05 pm local time, about 8 minutes before second ignition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #95 on: 05/18/2017 12:24 PM »
- Aaron

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #96 on: 05/18/2017 12:25 PM »
Second ignition is at 2:22 am here in Adelaide, so I'll be having a good sleep. Fingers crossed all goes well. See you tomorrow!
« Last Edit: 05/18/2017 12:36 PM by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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« Last Edit: 05/18/2017 12:31 PM by SciNews »

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Coming up on the half way point...

Online Chris Bergin


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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #100 on: 05/18/2017 04:53 PM »
Fregat burning!

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #101 on: 05/18/2017 05:00 PM »
Has it been stated what the remaining deltaV to GSO will be after Fregat?

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #102 on: 05/18/2017 05:06 PM »
Wakey wakey! ;D

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #103 on: 05/18/2017 05:09 PM »
Has it been stated what the remaining deltaV to GSO will be after Fregat?

1299.16 m/s, from the published orbital parameters (2200 x 31300 km, 6º )
-DaviD-

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #104 on: 05/18/2017 05:17 PM »
S/C Sep! Congrats to all involved. Thanks to Steven and all for the coverage!

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #105 on: 05/18/2017 05:34 PM »
Quote
And that's a successful launch for #SES15! Well done @Arianespace #Soyuz

https://twitter.com/ses_satellites/status/865255267386241025

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #106 on: 05/18/2017 05:38 PM »
Quote
@SES_Satellites CTO Halliwell says SES-15 is sending telemetry & is health in orbit. Mission success for @Arianespace and Soyuz-to-GTO.

https://twitter.com/pbdes/status/865258788500246528

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #107 on: 05/18/2017 05:41 PM »
Quote
@SES_Satellites CTO Halliwell says SES-15 will enter service in late December, so a 7-month voyage to GEO.

https://twitter.com/pbdes/status/865259033183342592

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #108 on: 05/18/2017 05:43 PM »
Congrats to Arianespace and SES World Skies on the success of VS-17.
"Liftoff of Falcon 9: the world's first reflight of an orbital-class rocket."

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #109 on: 05/18/2017 06:27 PM »


I kept expecting the announcer to start singing the commentary à la a Disney movie.
Launches attended: Worldview-4 (Atlas V 401), Iridium NEXT Flight 1 (Falcon 9 FT)

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #110 on: 05/18/2017 06:43 PM »
May 18, 2017 

The 40th SES satellite orbited by Arianespace is lofted on its latest Soyuz mission success

With a picture-perfect liftoff from the Spaceport in French Guiana this morning, Arianespace’s workhorse Soyuz launch vehicle successfully delivered SES-15 – an all-electric telecommunications satellite for operation by European-based SES – to a sub-geostationary transfer orbit.

The flight, designated VS17 in Arianespace’s launcher family numbering system, lasted 5 hrs., 18 min. from the precise liftoff at 08:54:53 a.m. (local time in French Guiana) to payload separation. It carried SES’ first satellite lofted by the medium-lift Soyuz launcher and the 40th overall for the operator launched by Arianespace.

Departing from the Spaceport’s ELS launch complex adjacent to the commune of Sinnamary, Flight VS17 delivered a total payload lift performance set at 2,447 kg; it was Arianespace’s fifth mission of 2017 and the Russian-built Soyuz’ 17th liftoff from French Guiana since this vehicle’s 2011 introduction at the Spaceport.

The orbital parameters for SES-15’s delivery by Soyuz were the following, based on telemetry measurements provided just before spacecraft separation:

– Apogee: 31,348.9 km. for a target of 31,299.6 km.
– Perigee: 2,207 km. for a target of 2,198.8 km.
– Inclination: 5.99 deg. for a target of 6.00 deg.

Arianespace’s long-term relationship with SES

Luce Fabreguettes, Arianespace’s Executive Vice President Missions, Operations & Purchasing, underscored Arianespace’s relationship with SES stretching back to 1984. She noted that more than 40 percent of the SES geostationary satellites currently in operation have been orbited by the launch services company – a number that does not include the O3b Networks satellites launched by Arianespace into medium Earth orbit.

Fabreguettes pointed out that Arianespace has five more SES satellites in the company’s launch services backlog – including another electric satellite, SES-12 –– along with four additional O3b spacecraft.

Delivered into a sub-geostationary transfer orbit by Soyuz, the telecom satellite will achieve the final position under the power of its all-electrical propulsion system –SES’s first satellite to use such technology.

Martin Halliwell, the Chief Technical Officer at SES, described today’s mission as a “fantastic launch,” and confirmed that initial telemetry was received from SES-15 shortly after its separation from Soyuz.

“After this 40th satellite with Arianespace, we’re going to be back for more,” he said in comments from the Spaceport. “We’re looking forward to a lot more satellites to launch with Arianespace.”

The first hybrid satellite for SES

Once located at 129 deg. West, SES-15 will serve as SES’ first hybrid satellite, offering extensive coverage over North America, Mexico and Central America, stretching from Arctic Alaska to the South of Panama and from Hawaii to the Caribbean.

It is to provide Ku‐band wide beam and Ku‐band High Throughput Satellite (HTS) capability, with connectivity to gateways in Ka‐ and L-bands. Its relay payload covers the thriving aeronautical sector and will enable other traffic‐intensive data applications such as government, VSAT networks and maritime.

SES-15 also carries a Wide Area Augmentation System‐hosted (WAAS) payload, enabling the U.S. Federal Aviation Administration to augment the Global Positioning System (GPS), providing improving accuracy, integrity and availability for the aviation industry.

Built by Boeing at its El Segundo, California facility, SES‐15 is based on the company’s all‐electric 702SP platform and is the 53rd Boeing‐built satellite to be launched by Arianespace.

Speaking at the Spaceport, Mark Spiwak, the President of Boeing Satellite Systems International, described his company’s relationship with Arianespace as a “very deep, rich and valued” history. “Today was our first launch with Soyuz, and we are looking forward to developing an equally long relationship with Soyuz as we go forward,” he added.

Preparing for the upcoming Ariane 5 flights

Elsewhere at the Spaceport, preparations are being made for Arianespace’s next two heavy-lift missions: Flights VA237 and VA238, the 237th and 238th flight of an Ariane launcher since the family of European-built vehicles began Spaceport operations in 1979.

Flight VA237’s Ariane 5 launcher has moved from the Launcher Integration Building to the Final Assembly Building, where a dual payload of the Viasat-2 and Eutelsat E172B telecommunications satellites will be integrated. Liftoff of VA237 is set for June 1.

The subsequent Ariane 5 launch, Flight VA238, also will deliver two satellites: the Hellas-Sat 3/Inmarsat S relay satellite; and the GSAT-17 telecommunications spacecraft for the Indian Space Research Organisation.

http://www.arianespace.com/mission-update/the-40th-ses-satellite-orbited-by-arianespace-is-lofted-on-its-latest-soyuz-mission-success/

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #111 on: 05/18/2017 06:45 PM »

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #112 on: 05/18/2017 06:46 PM »
May 18, 2017 

Flight VS17: With Soyuz, Arianespace successfully launches SES-15 – the first all-electric satellite for SES

Arianespace has orbited the SES-15 telecommunications satellite for European operator SES. Liftoff took place on Thursday, May 18 at 8:54 a.m. (local time in Kourou) from the Guiana Space Center (CSG), Europe’s Spaceport in French Guiana.

Today’s launch was the fifth of the year for Arianespace, and the second by Soyuz from CSG to geostationary transfer orbit (GTO), as well as the first Arianespace launch carrying a satellite with all-electric propulsion.

Through this latest mission, Arianespace once again demonstrates its launcher family’s availability and versatility for the benefit of all customers.

A launch for the European operator SES

SES-15 is the 40th satellite launched by Arianespace for SES since 1984. One of the world’s leading satellite operators, SES is also the first company to offer a scalable and differentiated slate of services from geostationary and medium Earth orbit (GEO/MEO). It currently deploys an operational fleet with more than 50 GEO satellites and 12 MEO satellites – the latter having all been orbited by Arianespace.

SES-15, the first all-electric satellite in the SES fleet, will offer wide beam coverage and the capacity of a high-throughput satellite (HTS). It will provide additional Ku-band wide beams, HTS capacity in Ku-band, along with Ka-band connectivity with gateways.

The satellite will offer services to the booming aeronautical sector, and will also support other traffic-intensive data applications, including governmental services, VSAT networks and maritime communications. SES-15 also carries a wide area augmentation system (WAAS) payload, which will enable the United States Federal Aviation Administration (FAA) to improve the performance of global positioning systems (GPS), by enhancing precision, integrity and availability for the aviation sector.

The satellite is equipped with an all-electric propulsion system, which will handle orbital maneuvers and orbit raising.

Arianespace has five more SES satellites in its order book: the all-electric SES-12 satellite and four more satellites for the O3b Networks constellation.

The first all-electric satellite launched by Arianespace and the second Soyuz mission from CSG into geostationary transfer orbit

All-electric satellites now account for 15% of Arianespace’s order book

Flight VS17 is the first by Arianespace from the Guiana Space Center to orbit an all-electric satellite. Electric propulsion for satellites is one of the most promising technologies in space and could represent 50% of the world market in the 2020s.

This type of propulsion system uses electrical energy generated by the satellite’s solar panels, and enables the satellite’s weight to be reduced by half for a given level of performance, compared with a satellite using conventional chemical propulsion. These satellites are fitted with small electric thrusters that will propel them after separation from the launcher to their final geostationary orbital position.

With 15% of its launch order book for all-electric satellites, Arianespace accompanies the technological evolution of the satellite industry by putting its Ariane 5 and Soyuz launchers at the service of this new range of satellites.

Soyuz: a versatile launcher for Arianespace’s customers

When the mass of the satellites allows, Soyuz can carry out missions to geostationary transfer orbit as a complement to Ariane 5. Flight VS17 is the second launch to this orbit by Soyuz in 2017, following the VS16 launch for Hispasat in January 2017.

Today’s 17th Soyuz launch from CSG was different from previous missions in terms of its duration (5h18m28s) and the targeted elliptical orbit (2,200 km. perigee and 31,300 km. altitude during first apogee).

Using the Fregat upper stage, this launch placed SES-15 into a specific geostationary transfer orbit designed to significantly reduce the time needed for the satellite to move itself into its definitive position using electric propulsion. The reduction in deployment time therefore is approximately one month from the estimate of seven to eight months.

With this successful launch, the Soyuz rocket – already the benchmark for telecom and navigation constellations (Globalstar, 03b, Galileo, OneWeb) –  clearly shows its versatility and ability to perfectly address the market for electric satellites. It also confirms the availability and versatility of Arianespace’s family of launchers, at the service of all customers.   

Shortly after the announcement of the orbital injection of the satellite, Stéphane Israël, CEO of Arianespace, said: “With this fifth launch of the year, and the second by Soyuz into geostationary transfer orbit, Arianespace is proud to support our long-standing customer, SES. We are honored by the renewed confidence of SES, which today entrusted us with its first all-electric satellite, and for which we have placed 40 GEO satellites in orbit since 1984 – not counting all satellites in the O3b Networks constellation currently in orbit. I would also like to congratulate Boeing, another loyal partner to Arianespace, which built SES-15. “I would like to thank the Russian space agency Roscosmos for its commitment to our partnership on the Soyuz launcher. In addition, I would like to thank CNES/CSG, our ground segment companies and all staff at the space center, who continue to work alongside us as we go from success to success. Lastly, bravo to everybody at Arianespace for this 17th Soyuz launch from CSG.”


SES-15 was built by Boeing using the all-electric 702SP platform. The payload includes wide beams in Ku-band, high-throughput capacity in Ku-band, and gateway connectivity in Ka and L-bands.

SES-15 will provide aeronautical and maritime communications services, along with services for VSAT networks and governments.

Positioned at 129° West, the satellite will cover all of North America, Mexico, and Central America – from Alaska to southern Panama, and from Hawaii to the Caribbean.

It weighed 2,302 kg at launch and offers a design life exceeding 15 years.
 
Arianespace and Boeing

SES-15 is the 53rd Boeing satellite to be launched by Arianespace, and the first satellite using the company’s 702SP platform to be orbited by one of the company’s launchers.

The European launch services operator has four more Boeing satellites in its order book.
 
http://www.arianespace.com/press-release/flight-vs17-with-soyuz-arianespace-successfully-launches-ses-15-the-first-all-electric-satellite-for-ses/

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #113 on: 05/18/2017 06:52 PM »
Boeing All-Electric Satellite for SES Will Help Improve In-Flight Connectivity and Enable Other Traffic-Intensive Data Applications

Built for SES of Luxembourg, the 702 satellite is Boeing’s fifth with all-electric propulsion; design includes metallic 3-D printed parts

EL SEGUNDO, Calif., May 18, 2017 – The Boeing [NYSE: BA] SES-15 satellite, launched today, will bolster connectivity for Wi-Fi and entertainment services on flights over North America, Mexico and Central America. It will also serve the government, enterprise and maritime sectors.

This 702-model satellite also demonstrates that using 3-D printed parts can improve affordability and production. More than 50 such metallic parts are on the vehicle in the primary structure.

“With its all-electric propulsion, and inclusion of 3-D printed hardware, SES-15 is a great example of how we can create efficient and cost-effective products rapidly for customers,” said Mark Spiwak, president, Boeing Satellite Systems International. “In fact, SES-15 was designed, built, tested and delivered to the launch site ahead of schedule.”

This is the fifth Boeing satellite to be deployed with a highly efficient all-electric propulsion system.

SES-15 has a hybrid payload, including additional Ku-band wide beams and Ku-band High Throughput Satellite (HTS) capability, with connectivity to gateways in Ka-band.

The U.S. Federal Aviation Administration’s (FAA's) safety efforts will also benefit from the satellite as SES-15 carries a Wide-Area Augmentation System (WAAS) hosted payload for the FAA.

SES has ordered 12 Boeing satellites since 1990, including SES-15. SES-15 is the operator’s first 702 all-electric satellite in its fleet.

For more information on Defense, Space & Security, visit www.boeing.com. Follow us on Twitter: @BoeingDefense.


http://boeing.mediaroom.com/2017-05-18-Boeing-All-Electric-Satellite-for-SES-Will-Help-Improve-In-Flight-Connectivity-and-Enable-Other-Traffic-Intensive-Data-Applications#assets_117:20190

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #114 on: 05/18/2017 07:06 PM »
So do we know why ST-B was used instead of ST-A? The mass of SES-15 seems to be less than ST-A maximum payload mass.

Offline edkyle99

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #115 on: 05/18/2017 07:38 PM »
So do we know why ST-B was used instead of ST-A? The mass of SES-15 seems to be less than ST-A maximum payload mass.
Press Kit says ST-A.  SFN story says ST-A.  Roskosmos says ST-A.  Etc.

 - Ed Kyle

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #116 on: 05/19/2017 01:45 AM »
Any serial numbers for the Soyuz and the Fregat?

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #117 on: 05/19/2017 02:03 AM »
Any serial numbers for the Soyuz and the Fregat?

I would like to echo this question!!
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http://planet4589.org

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #118 on: 05/19/2017 04:12 AM »
Any serial numbers for the Soyuz and the Fregat?
according to Fregat Master Thread: Fregat s/n 133-09
http://forum.nasaspaceflight.com/index.php?topic=15064.60

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #119 on: 05/19/2017 04:17 AM »
One more question: do we have an exactly launch time?
11:54:53.xxx

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #120 on: 05/19/2017 04:51 AM »
Any idea how long Fregat will stay in orbit?

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #121 on: 05/19/2017 07:10 AM »
First object cataloged by USSTRATCOM:

2017-026A/42709 in 300 x 31336 km x 6.05° (epoch: May 18, 13:10 UTC)
« Last Edit: 05/19/2017 07:15 AM by input~2 »

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #122 on: 05/19/2017 07:21 AM »
CNES - CSG video of launch



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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #123 on: 05/19/2017 07:22 AM »
Launch broadcast video of Arianespace



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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #124 on: 05/19/2017 09:56 AM »
Any serial numbers for the Soyuz and the Fregat?

Fregat: M133-09

Soyuz: P15000-006 (but this is a guess, not checked !)

Offline Steven Pietrobon

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #125 on: 05/19/2017 12:34 PM »
Congratulations to Arianespace and SES for the successful launch!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #126 on: 05/19/2017 01:05 PM »
Any serial numbers for the Soyuz and the Fregat?
R15000-007 ?
http://www.orbita.zenite.nu/ses-15-em-orbita/

Offline Stan Black

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #127 on: 05/19/2017 01:25 PM »
Any serial numbers for the Soyuz and the Fregat?
R15000-007 ?
http://www.orbita.zenite.nu/ses-15-em-orbita/


Rocket №23 for Kourou was to be a Soyuz-ST-A with factory serial number 7/137 (7th machine of the 137th series). Confusingly rocket №24 is also an Soyuz-ST-A but out of sequence factory serial number 6/137. So I think 7/137 has tail number Р15000-007, whilst 6/137 is Р15000-006? (The 007 and 7 are just coincidentally the same.)
http://forum.nasaspaceflight.com/index.php?topic=13239.msg1589115#msg1589115
http://www.zakupki.gov.ru/223/purchase/public/download/download.html?id=10455191
http://www.zakupki.gov.ru/223/purchase/public/purchase/info/documents.html?noticeId=1873343

Any one catch the serial number of the fairing?

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #128 on: 05/19/2017 01:38 PM »
It never ceases to amaze me how much extra 'kick' Soyuz has when it launches from near-equatorial latitudes rather than the high latitude of Baikonur.
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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #129 on: 05/20/2017 09:13 AM »
2017-026A    42709    TBA                    OBJECT A       584.06min    5.95°    31317km    2218km
2017-026B    42710    ROCKET BODY    FREGAT R/B    586.71min    6.16°    31318km    2356km   

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #130 on: 05/22/2017 01:58 PM »
Any serial numbers for the Soyuz and the Fregat?
R15000-007 ?
http://www.orbita.zenite.nu/ses-15-em-orbita/


The information is correct.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #131 on: 05/23/2017 02:12 PM »
Any idea how long Fregat will stay in orbit?
According to the data of reply #129 for many,many years.

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Re: LIVE: Soyuz ST-A Flight VS17 - SES-15 - May 18, 2017
« Reply #132 on: 12/14/2017 01:49 PM »
without you know what
« Last Edit: 12/14/2017 01:49 PM by Jester »

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