Author Topic: Orbital: In space GEOsat servicing  (Read 12947 times)

Online oldAtlas_Eguy

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Orbital: In space GEOsat servicing
« on: 03/02/2016 03:23 PM »
https://www.orbitalatk.com/space-systems/human-space-advanced-systems/vivisat/docs/FS011_15_OA_3862%20ViviSat.pdf


Orbital believes that there is a  business case  closure for servicing GEOSATS. I wonder if Orbital has been quietly adding to their sat buss design easy prop transfer connections between platforms? If they have then they would have a straight forward system to do prop transfer between Orbital manufactured sat buss. supposedly they are spending real development funds for a GEO sat buss derived repair vehicle that hosts some of the Cygnus avionics and software for automated rendezvous.

So this tread is to explore the questions:

Capabilities of the vehicle?

Will it be able to service Orbital manufactured only sat buss or any sat buss?

How will the repair/service be paid? By the operator or by the insurer? (Opinion: Use of the same model for repair claims as the auto  industry where if repair costs more than the "total loss" pay out then repair would not be paid for.)


http://spacenews.com/orbital-atk-believes-in-satellite-servicing-but-not-in-rocket-reusability/

Will the business case close? How is the business case closure accomplished?

« Last Edit: 03/03/2016 01:37 PM by Chris Bergin »

Offline Oli

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Re: Orbital: In space GEOsat serviceing
« Reply #1 on: 03/02/2016 04:14 PM »

I'm very skeptical.

Boeing's 702SP platform satellites for example only need 5kg of xenon per year for station keeping. I can't see refueling making economic sense.

Offline baldusi

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Re: Orbital: In space GEOsat serviceing
« Reply #2 on: 03/02/2016 04:19 PM »
SES has been talking about this a bit. They see refuel+new instrument missions as secondaries on full fledged GEO missions.
Apparently, they would send one of their birds with a "parasite" module. The main sat would get as close as reasonable to the old sat, release the module, and continue to its final position. The module would self dock with the big bird.
It will require the satellite not only to have propellant access, but also data, thermal and power hooks for the new payload and have surplus control authority. I bet that OrbitalATK can be an excellent partner for this sort of system.

Offline Chalmer

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Re: Orbital: In space GEOsat serviceing
« Reply #3 on: 03/02/2016 04:24 PM »
Sounds like lots of exciting things are happening in OrbitalATK.

With regards to the satellite in-orbit servicing, it sounds like it is mostly refueling for telecom sats in geo orbit, and maybe some simple repairs. And that they already have one or more anchor costumers.

How this will work, i have no idea. Can you refuel a satelite that was not designed to be refueled?

In the article they state that they expect to begin in 2019. That would suggest satelites already in orbit today.

Does anyone with insight into the operations of geo orbit telecom satelites know what value extra fuel would have for satelites already in orbit, and in position? I know they need fuel for station keeping. But would access to regular refueling add something more than longer lifespan (can station keep for more years)?

Im looking forward to hearing more details later this year from OrbitalATK.
« Last Edit: 03/02/2016 04:27 PM by Chalmer »

Online Bynaus

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Re: Orbital: In space GEOsat serviceing
« Reply #4 on: 03/02/2016 04:32 PM »
Quote
Apparently, they would send one of their birds with a "parasite" module.

But then - why not just equip the satellite with a tank the size of the parasite module? Sure, you can't refuel the old ones that way, but then at least the new ones could simply skip rueling themselves... (at less overall complexity) I don't really see how a "parasitic" solution makes sense.

If at all, a separate vehicle should do the refueling. If the extended life-times of the refueled sats are more worth than the cost of this vehicle, you're good.

Offline MattMason

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Re: Orbital: In space GEOsat serviceing
« Reply #5 on: 03/02/2016 04:43 PM »
It's clear that older satellites couldn't make this work, and that geo-sats are often designed with economy to help them last for a decade.

But could such refueling or service make them last longer? Or, with advances to technology, would extra longevity actually make them less practical to maintain?

As an I.T. guy, I encounter this dilemma often with customers that bring in a five, six, even 10 year old printer or computer that needs minor maintenance that has otherwise worked fine. The cost of labor to perform such maintenance, in addition to feature creep that has antiquated the device and decreased the number of genuine, non-refurbished parts or supplies makes upkeep far less practical in terms of functionality than giving the old device a good Christian burial and buying a new one.

You can't upgrade your geo-sat with a new one every 3 years, but you probably shouldn't spend a buttload of dough on servicing an 10 year old one unless it Really Pays Off for results or it's a one of a kind device. The Hubble Space Telescope comes to mind here.

If upgrading could be practical, the device needs to be configured from the start for this and an infrastructure with a service vehicle built for satellites in mind. I think Lockheed had built the Jupiter with this in mind.

EDIT: wrong word
« Last Edit: 03/02/2016 04:44 PM by MattMason »
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Online TrevorMonty

Re: Orbital: In space GEOsat serviceing
« Reply #6 on: 03/02/2016 05:09 PM »
DARPA are working towards having large GEO  platforms which host current satellite  payloads. OrbitalAtK  repair satellites are a step in this direction of large platforms.  Whether OA  build or own platform or just the build and fit payloads remains to be seen. These large GEO communication platforms could lead on to space  solar power stations. If SSP happens it will be a trillion dollar industry in which OA will want to be involved.

Offline starchasercowboy

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Re: Orbital: In space GEOsat serviceing
« Reply #7 on: 03/02/2016 06:33 PM »
What if??  Say the James Webb telescope has a problem after it's deployment, could this servicing vehicle observe the exterior, aid in a plan to repair, if it is equipped with an arm, maybe it could do a repair.  Didn't one of Lockheed's satellites AEHF kick motors fail a couple years ago and had to rely on its Hall effect thruster to raise the apogee. 

Offline Sam Ho

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Re: Orbital: In space GEOsat serviceing
« Reply #8 on: 03/02/2016 08:12 PM »
What if??  Say the James Webb telescope has a problem after it's deployment, could this servicing vehicle observe the exterior, aid in a plan to repair, if it is equipped with an arm, maybe it could do a repair.  Didn't one of Lockheed's satellites AEHF kick motors fail a couple years ago and had to rely on its Hall effect thruster to raise the apogee.

That was AEHF-1, which made it to GEO despite the apogee motor failure, but whose in-service date was delayed by about 8 months.  In that particular case, you probably couldn't put together a servicing mission and launch it in less time than the satellite took to get to GEO on its own with stationkeeping thrusters.

http://www.nasaspaceflight.com/2012/11/aehf-2-handed-usaf-after-completing-on-orbit-testing/

From the Orbital conference call, Dave Thompson gives a very high-level description of the servicing module.
Quote
Based on the Orbital legacy Geostar Satellite Platform and our Cygnus Autonomous Rendezvous technology, together with the ATK heritage Hubble space telescope servicing devices and other prior work. The first of these new geosynchronous orbit servicing vehicles if the project proceeds as expected will commence operations following launch in early 2019.

Details on this project including anchor customer agreements and the technical capabilities of our servicing systems will be announced later this year.

Later on, he mentions that this will be privately funded:
Quote
At present, there is not and we do not anticipate government contribution to the space initiative. That is a new commercial service that we are preparing to offer and while over the long-term, government satellites may benefit from it and make use of it, we don't expect government funding during the development phase of that project.

Offline jhnphm

Re: Orbital: In space GEOsat serviceing
« Reply #9 on: 03/03/2016 03:04 AM »
The article is probably referring to this:

https://www.orbitalatk.com/space-systems/human-space-advanced-systems/vivisat/docs/FS011_15_OA_3862%20ViviSat.pdf

The idea is to extend the lifetime of existing satellites by acting as their station keeping thrusters, then reuse the extension vehicle on other satellites when the client satellites are decommissioned. No refueling, unlike the MDA concepts.

Offline baldusi

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Re: Orbital: In space GEOsat serviceing
« Reply #10 on: 03/03/2016 01:01 PM »
Again, from SES presentation, they state very clearly that the issue is payload obsolescence. Current satellites have a 20 year design life. The can do them upto 20kW. With SEP stationkeeping they can have more than enough operative propellant. What's that any good if in 10 years you are offering a very slow and expensive service because you can't offer the improved waveshapes? Or if today you have to use fixed signal strength but in 10 years your competitors can distribute power according to demand?
There's a reason SES talked about payload. And there's a reason they talked about sending new payloads on already scheduled missions. Not only a new payload can be done a lot cheaper (you don't need IMU, suntracker, APE, etc.), but you don't actually add missions. You use the same ground segment, you still do LEOPs as usual. You just add a bit of work to your ground team and the launch services cost is just incremental. Orbital ATK opportunity is so good because they have a lot of experience not only on the GEO side, but on RV operations. A GEO designed to tackle new payloads would have not only a special design, but also the necessary beacons and targets to make it very easy for the "parasite" payload to catch it. In fact, the new GEO sat might release it nearby and the old GEO sat might go and catch it. It's not like it would need a lot of incremental capabilities.

Offline Stan-1967

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Re: Orbital: In space GEOsat servicing
« Reply #11 on: 03/07/2016 01:52 AM »
Interesting video.   So basically it's a life extension service inclusive of propulsion & stationkeeping.   So yes, it's target market seems to be sats nearing obsolence, and likely targeted for replacement.   I guess OA thinks the business case closes, that there is enough value to extending life vs. replacement.   

Online catdlr

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Re: Orbital: In space GEOsat servicing
« Reply #12 on: 04/11/2016 11:52 PM »
updated video that was previously pulled from YouTube:

Satellite Mission Extension Services
BY: Orbital ATK

Published on Apr 11, 2016
Orbital ATK's satellite life extension services employs our Mission Extension Vehicle (MEV) which autonomously rendezvous and docks with the customer satellite to provide additional propulsion and attitude control.

Tony De La Rosa

Offline Kryten

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Re: Orbital: In space GEOsat servicing
« Reply #13 on: 04/12/2016 09:00 PM »
 Orbital have secured Intelsat as an anchor customer for this service, and have started production on the first MEV, with launch set for late 2018.
http://www.orbitalatk.com/news-room/release.asp?prid=137
Quote
Dulles, Virginia and Luxembourg 12 April 2016 – Orbital ATK, Inc. (NYSE: OA), a global leader in aerospace and defense technologies, today announced that Intelsat, S.A. (NYSE: I), operator of the world’s first Globalized Network, has signed a contract to become the first customer for Orbital ATK’s new satellite life extension service. [...] Under the agreement, Orbital ATK will manufacture, test and launch the first Commercial Servicing Vehicle (CSV), the Mission Extension Vehicle-1 (MEV-1), which incorporates flight-proven technologies the company has used in its commercial satellite and space logistics businesses.  After successfully completing a series of in-orbit tests, the MEV-1 will begin its mission extension service for Intelsat in 2019.

Offline rayleighscatter

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Re: Orbital: In space GEOsat servicing
« Reply #14 on: 04/12/2016 11:14 PM »
I wonder if the MEV is small/light enough for launch on a Pegasus?

EDIT: At 2,000kg it looks like they'd have to go to a third party launcher.
« Last Edit: 04/13/2016 12:47 AM by rayleighscatter »

Offline synchrotron

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Offline Kryten

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Re: Orbital: In space GEOsat servicing
« Reply #16 on: 04/13/2016 06:49 PM »
I wonder if the MEV is small/light enough for launch on a Pegasus?

EDIT: At 2,000kg it looks like they'd have to go to a third party launcher.
The video gives it as being directly inserted to GTO, so I'd expect lower payload slot on Ariane 5 for single launches (although Antares could do it). From the video and fact sheet it seems to be set up to allow dual launch without an adaptor, so they're probably looking at Falcon 9 in future.

Offline Sam Ho

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Re: Orbital: In space GEOsat servicing
« Reply #17 on: 04/13/2016 08:47 PM »
Jeff Foust writes about this in SpaceNews.

First launch is planned for 2018, with a test docking to an Intelsat satellite in a graveyard orbit, followed by 5 years on an active Intelsat satellite.  On the business side, it's now an OA subsidiary called Space Logistics; the Vivisat joint venture is gone, on account of lack of external funding.  OA is hoping to build 5 in 5 years.

http://spacenews.com/orbital-atk-signs-intelsat-as-first-satellite-servicing-customer/

Offline Kryten

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Re: Orbital: In space GEOsat servicing
« Reply #18 on: 05/03/2016 11:37 PM »
 US Space are suing OrbATK over the dissolution of the Vivisat sat joint venture; http://spacenews.com/u-s-space-sues-orbital-atk-over-vivisat-venture/

Offline Sam Ho

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Re: Orbital: In space GEOsat servicing
« Reply #19 on: 05/09/2016 10:28 PM »
Some information from the quarterly earnings conference call May 5:
http://finance.yahoo.com/news/edited-transcript-oa-earnings-conference-200923610.html
Quote
As another example in our Space Systems group, we announced in April, a five-year contract with Intelsat, the first customer for our in-space commercial satellite servicing system. This program is a great example of the new revenue opportunities created by our merger as we combine the Orbital legacy GEOStar satellite platform and Cygnus Autonomous Rendezvous technology with ATK Heritage Hubble telescope servicing devices and other prior work. If things proceed as planned, the first of an eventual fleet of up to five of these geosynchronous orbit servicing vehicles will commence operations following launch in early 2019, with four more such vehicles to follow in 2020 and 2021.

Online savuporo

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Re: Orbital: In space GEOsat servicing
« Reply #20 on: 05/10/2016 07:33 AM »
It will require the satellite not only to have propellant access, but also data, thermal and power hooks for the new payload and have surplus control authority. I bet that OrbitalATK can be an excellent partner for this sort of system.

This is the part that i don't get. How do you 'hook' into data and power bus of a satellite, unless you have been building birds with this in mind for decades ?
The video even explicitly says 'no power, data, fluid transfer or other interfaces are required' - which i presume applies only to the docking part.
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Online TrevorMonty

Re: Orbital: In space GEOsat servicing
« Reply #21 on: 05/10/2016 08:45 AM »
Here is presentation  about OA satellite  servicing, prior to Vivisat separation.

Jim Armor, Orbital ATK at the Space Innovation Business Summit" 2015



Besides extending an existing satellite life, it can also be used as space tug by moving satellites  to different orbits then releasing them. This allows satellite to move orbits without expending precious station keeping fuel.

Long term goals are servicing, repairing, refuelling  and inspecting satellites.  Mk1 service vehicle may already support inspections.

Hosted payloads allows for extra revenue, especially between jobs when service vehicle is free to point anywhere.

Sent from my SM-T810 using Tapatalk


Offline baldusi

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Re: Orbital: In space GEOsat servicing
« Reply #22 on: 05/10/2016 01:18 PM »
It will require the satellite not only to have propellant access, but also data, thermal and power hooks for the new payload and have surplus control authority. I bet that OrbitalATK can be an excellent partner for this sort of system.

This is the part that i don't get. How do you 'hook' into data and power bus of a satellite, unless you have been building birds with this in mind for decades ?
The video even explicitly says 'no power, data, fluid transfer or other interfaces are required' - which i presume applies only to the docking part.
Please read the full context of my post. I was referring to SES vision for the future where they do include that sort of interfaces on every bird they send. Thus, each new satellite could take up new payloads for other crafts. This was SES vision of the future.
Orbital current mission proposal is more about propellant, attitude control and debris retirement.

Online TrevorMonty

Re: Orbital: In space GEOsat servicing
« Reply #23 on: 07/08/2016 07:32 PM »
MUOS-5 could be a candidate for Orbital servicing satellite.

Offline kevin-rf

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Re: Orbital: In space GEOsat servicing
« Reply #24 on: 07/09/2016 02:33 PM »
MUOS-5 could be a candidate for Orbital servicing satellite.


Isn't a little early since we do not yet know the cause of the anomaly, and if they can overcome/work around it?
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Offline baldusi

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Re: Orbital: In space GEOsat servicing
« Reply #25 on: 07/09/2016 05:50 PM »
Specially since they are still on a GTO. That still requires a GTO circularizaton (~1,800m/s delta-v). And the GTO are usually low lived, so you can't take much time. So you'd need to have a bird ready to launch. I seriously doubt it.

Offline Sam Ho

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Re: Orbital: In space GEOsat servicing
« Reply #26 on: 07/09/2016 06:35 PM »
Specially since they are still on a GTO. That still requires a GTO circularizaton (~1,800m/s delta-v). And the GTO are usually low lived, so you can't take much time. So you'd need to have a bird ready to launch. I seriously doubt it.
MUOS-5 had an unusual GTO (3903x35654km at 19 degrees) and an unusual operational orbit (IGSO at 5 degrees).  As such, both the initial GTO and its present orbit (15249x35710km at 10 degrees) have essentially infinite lifespans.  Also, the delta-V from GTO to final IGSO was only around 1300m/s; it's about halfway there right now.

http://forum.nasaspaceflight.com/index.php?topic=40693.0
http://forum.nasaspaceflight.com/index.php?topic=33818.0
http://www.heavens-above.com/orbit.aspx?satid=41622
http://www.n2yo.com/satellite/?s=41622
http://sattrackcam.blogspot.com/

Offline Archibald

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Re: Orbital: In space GEOsat servicing
« Reply #27 on: 07/10/2016 08:02 AM »
Satellite servicing is fascinating, but it has been discussed since the 60's. Maybe in today space boom it may have its chance, at last.
Satellite servicing is cool because it makes boring communication satellites interesting - they can be targets for hardware to support BEO exploration.

Offline Sam Ho

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Re: Orbital: In space GEOsat servicing
« Reply #28 on: 08/11/2016 12:37 AM »
The big news in the OA conference call this quarter was the $400M accounting error on the US Army ammo contract, but there was some space news.  The in-orbit servicing schedule is pretty much the same as last quarter.
Quote
Our Space Systems Group early in the second quarter announced a five-year contract with Intelsat as the first customer for this satellite servicing system. Late in the second quarter, we completed a first system design review and placed long-lead material orders for the first of these satellite servicing vehicles, which is on track for delivery and launch in the final quarter of 2018; and after a checkout period, the commencement of service in the early 2019. Schedules, cost and the technical performance are proceeding as planned on that project at present.

Offline Sam Ho

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Online TrevorMonty

Re: Orbital: In space GEOsat servicing
« Reply #31 on: 11/03/2016 04:37 AM »
This show has lot of information about OA satellite servicing.

http://www.thespaceshow.com/show/31-oct-2016/broadcast-2804-jim-armor

The 2700kg servicing vehicle is based on electric GEO satellite bus. Besides providing propulsion for sats, there are few ideas for using it.
1) deliver cubesats to GEO on its delivery launch.
2) carry technology demonstration payloads, these could be ejected once finished with.
3) rescue satellites stuck in GTO due to propulsion problems. Been a few of these cases. US govt and insurance companies might pay to have one that can launched at short notice, for this scenario.

4) in orbit refuelling. Long term goal.

5) a satellite doesn't need to hold fuel back for disposal to graveyard orbit if service vehicle can do it.

6) visual inspection of faulty satellites.

I was surprised to hear there was market for operational old satellites. Lease them out to customers that don't need latest broadcast technology at reduced price. Of course limited fuel was always issue, which service vehicles overcomes.




Offline Sam Ho

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Re: Orbital: In space GEOsat servicing
« Reply #32 on: 11/08/2016 08:23 PM »
From the OA non-earnings conference call today:
Quote
And finally in our space systems group about earlier this year we announced a five-year contract with Intelsat, the first customer for our in space commercial satellite servicing system. We recently completed the designed review for the first servicing vehicle and secured a launch contract for it in late 2018.

If things proceed as planned, the first of an eventual fleet of up to five of these geosynchronous orbit servicing vehicles will commence operations in early 2019 followed by four more vehicles some with enhanced capabilities that will follow in 2020 and 2021.
http://seekingalpha.com/article/4021177-orbital-atks-oa-ceo-dave-thompson-q3-2016-results-earnings-call-transcript

Offline primer_black

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Re: Orbital: In space GEOsat servicing
« Reply #33 on: 11/29/2016 03:16 PM »
Not sure if this should be a new thread, but OA is working with NASA to extend the MEV servicing capabilities to include on-orbit assembly:

http://www.orbitalatk.com/news-room/release.asp?prid=204

Quote
Dulles, Virginia 29 November 2016 – Orbital ATK (NYSE: OA), a global leader in aerospace and defense technologies, today announced that it has begun a public-private partnership with NASA’s Space Technology Mission Directorate (STMD) to establish a Commercial Infrastructure for Robotic Assembly and Services (CIRAS) in space. The CIRAS program will advance key technologies for in-orbit manufacturing and assembly of large space structures that will help the agency meet its goals for robotic and human exploration of the solar system.

...

Phase one of CIRAS began in September 2016 and will last a total of two years. During this period, Orbital ATK will lead the team in maturing technologies necessary for robotic assembly of large space structures, such as next-generation telescopes or solar-powered structures for transport or communications. These capabilities include methods to connect or disconnect joints on a structure and address precision measuring and alignment through a 15-meter robotic arm and a precision robot. The team will also develop the technology needed to conduct in-orbit modular assembly of structures, allowing parts to be brought to space as needed via multiple launches, which simplifies the design of spacecraft and reduces cost.

Online catdlr

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Re: Orbital: In space GEOsat servicing
« Reply #34 on: 01/26/2017 04:42 AM »
MEV Mission Profile

Orbital ATK

Published on Jan 25, 2017
In less than a year after announcing its first customer contract, Orbital ATK has made significant progress in developing its new satellite life extension service. The innovative technology, a first in the industry, gives satellite operators the capability to extend the life of a healthy satellite. Orbital ATK remains on track to introduce its in-orbit satellite servicing system with the Mission Extension Vehicle-1 (MEV-1). The vehicle is currently under production at the company’s satellite manufacturing facility in Dulles, Virginia.

https://www.youtube.com/watch?v=d_DDmu-c5-Q?t=001

Tony De La Rosa

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Re: Orbital: In space GEOsat servicing
« Reply #35 on: 01/26/2017 04:43 AM »
MEV Robotic Simulation

Orbital ATK

Published on Jan 25, 2017
See how our in-orbit mission extension vehicle (MEV), the industry's first, will work with this robotic simulation at our Rendezvous, Proximity Operations and Docking Laboratory in Dulles, Virginia.

https://www.youtube.com/watch?v=gShdrWSmbCs?t=001

Tony De La Rosa

Offline Sam Ho

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Re: Orbital: In space GEOsat servicing
« Reply #36 on: 05/30/2017 11:25 PM »
Some mention in the conference call May 11:
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With regard to the satellite servicing program, the technical work is proceeding very well. The final design review of the system is coming up next month in June. We have set up a very helpful rendezvous and docking laboratory at our Dallas, Virginia satellite campus to test out both some of the docking hardware and also the control system software that we will be using, and things remain on track for the delivery to the launch site and the launch of the first satellite servicing vehicle at the end of next year. After a multi-month-long commissioning and checkout period, it will be placed into service to extend the life of Intelsat spacecraft in the -- about this time or a little earlier than this time in the first quarter of 2019. We are contemplating starting on a second servicing vehicle later this year. We haven't finalized those plans yet. But we continue to proceed along the lines of having a small fleet of up to 5 of these servicing systems in orbit by -- over the next 4, 5 years, some of which will have advanced capabilities, robotic capabilities beyond those of the first and second satellites. Customer demand for this type of in-space servicing continues to be good, and so the outlook is favorable for that new product initiative.

There's certainly customer demand now for those services beyond what can be provided by the first vehicle. So I think it's likely we'll see additional customer commitments before the end of 2017.
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Offline Sam Ho

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Re: Orbital: In space GEOsat servicing
« Reply #37 on: 08/04/2017 01:00 AM »
Comments from today's earnings call:
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Finally, in space systems early last year we initiated our commercial satellite servicing program with INTELSAT in Oregon to a five year contract as our anchor customer. Late last year we completed the initial design for the first vehicle we recently finalized the design that are now well into construction of that first mission extension vehicle that Garrett referred to. If things proceed as planned it will be the first of an eventual fleet of up to five of these geosynchronous orbit servicing vehicles this first one being launched late next year and commencing operations about 18 months from now in the early part of 2019.
https://seekingalpha.com/article/4094384-orbital-atks-oa-ceo-dave-thompson-q2-2017-results-earnings-call-transcript

Offline rayleighscatter

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Re: Orbital: In space GEOsat servicing
« Reply #38 on: 08/10/2017 11:52 PM »
A pair of OA fact sheets. The first is about hosted payloads on the MEV spacecraft, and the second is about the CiRAS on orbit repair work.


Online TrevorMonty

Re: Orbital: In space GEOsat servicing
« Reply #39 on: 08/11/2017 01:11 AM »
Fiso podcast on this robotic arm

http://spirit.as.utexas.edu/~fiso/archivelist.htm

18may16

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Re: Orbital: In space GEOsat servicing
« Reply #40 on: 09/11/2017 02:37 PM »
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Peter B. de Selding‏ @pbdes 2h2 hours ago

75% of components of 1st @OrbitalATK satellite Mission Extension Vehicle now built; system testing in spring; on track for late 2018 launch.

https://twitter.com/pbdes/status/907226437505167360

Online FutureSpaceTourist

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Re: Orbital: In space GEOsat servicing
« Reply #41 on: 09/13/2017 08:53 AM »
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Peter B. de Selding‏ @pbdes 4m4 minutes ago

Culbertson @OrbitalATK : We're about to sign 2d customer for Mission Extension Vehicle sat servicing program. [@Intelsat's 1st, in 2019].

https://twitter.com/pbdes/status/907889001109094400

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