Author Topic: SpaceX F9 : RCM (RADARSAT Constellation) : Vandenberg : February 2019  (Read 22456 times)

Offline Chris Bergin

Discussion Thread for RCM RADARSAT Constellation mission.

NSF Threads for RCM RADARSAT Constellation : Discussion
NSF Articles for RCM RADARSAT Constellation :

mid-February 2019 on reused Falcon 9 from Vandenberg.  Mass is around 1400kg? for each of the three satellites plus a custom deployer.  Orbit is 600km SSO.



[ Edit Oct. 23, 2017: Most of the references to this mission still have it launching in the second half of 2018.  Except for that one comment from DLR that they were calibrating the transponders leading up to launch in 2019.  The mass is generally listed as about 1400kg (total?), except for that one saying it's 1600kg. ]

http://www.asc-csa.gc.ca/eng/satellites/radarsat/default.asp



Very short presser, so beefed it up with the history etc.

http://www.nasaspaceflight.com/2013/07/spacex-falcon-9-radarsat-constellation/



Other SpaceX resources on NASASpaceflight:
   SpaceX News Articles (Recent)
   SpaceX News Articles from 2006 (Including numerous exclusive Elon interviews)
   SpaceX Dragon Articles
   SpaceX Missions Section (with Launch Manifest and info on past and future missions)

   L2 SpaceX Section
« Last Edit: 10/16/2018 03:19 PM by gongora »

Offline Space Junkie

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What exactly does "reservation contract" mean?  I don't recall seeing that language in other recent announcements. Is it different than an "agreement to launch?"
« Last Edit: 07/30/2013 07:23 PM by Space Junkie »

Offline John B

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What exactly does "reservation contract" mean?  I don't recall seeing that language in other recent announcements. Is it different than an "agreement to launch?"

It's like a MOU. Clearly customers want to see this new rocket have some successes before putting money down.

Offline R7

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Very short presser, so beefed it up with the history etc.

Given CASSIOPE's history gotta give props to SpaceX sales dpt ;)
AD·ASTRA·ASTRORVM·GRATIA

Offline Space Junkie

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What exactly does "reservation contract" mean?  I don't recall seeing that language in other recent announcements. Is it different than an "agreement to launch?"

It's like a MOU. Clearly customers want to see this new rocket have some successes before putting money down.

Thanks. It sounded like less than full commitment to me.


Offline robertross

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Now that I'm posting on the correct thread...

A great win-win day for Canada & SpaceX. Too cool. Congrats.

And this holds hope for even more good news for both Canada's space industry, and SpaceX's manifest:

"While the baseline mission for this evolution in Canada’s Earth Observation capability revolves around three satellites, the constellation is designed to be scalable to six satellites."

Remembering those who made the ultimate sacrifice for our rights & freedoms, and for those injured, visible or otherwise, in that fight.

Offline Helodriver

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In the correct forum...

Does SpaceX have a suitable standard multiple payload dispenser in development or will a one off hardware solution for deploying three satellites  need to be devised for this mission?

Offline kevin-rf

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They should gain experience and hardware with the up coming Orbcomm and Iridium launches. Both will involve multiple launches with multiple payload adapters.
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It's your med's!

Offline subzero788

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Does SpaceX have a suitable standard multiple payload dispenser in development or will a one off hardware solution for deploying three satellites  need to be devised for this mission?


SpaceX have a deal with Spaceflight Inc. to supply a Seconday Payload System for the Falcon 9, but this I believe is for small secondary sats only. Whether they will outsource the payload dispenser for this mission as well is anyone's guess.

http://www.nasaspaceflight.com/2012/06/spacex-deal-falcon-9s-secondary-payload-manifest/
« Last Edit: 07/31/2013 03:05 PM by subzero788 »

Offline Lars_J

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They should gain experience and hardware with the up coming Orbcomm and Iridium launches. Both will involve multiple launches with multiple payload adapters.

The FH demo flight will have multiple payloads as well.

Offline joek

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Does SpaceX have a suitable standard multiple payload dispenser in development or will a one off hardware solution for deploying three satellites  need to be devised for this mission?
Presumably something is in development as they have two dual GEO satellite launches scheduled for circa 2014-2015 on F9,  SpaceX Signs Launch Agreements with Asia Broadcast Satellite and Satmex:
Quote
Together with Satmex, our co-launch partner, we embark upon an innovative prospect of dual launching four medium-powered satellites on two launches on the Falcon 9.
« Last Edit: 08/01/2013 01:56 AM by joek »

Offline Jim

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Does SpaceX have a suitable standard multiple payload dispenser in development or will a one off hardware solution for deploying three satellites  need to be devised for this mission?
Presumably something is in development as they have two dual GEO satellite launches scheduled for circa 2014-2015 on F9,  SpaceX Signs Launch Agreements with Asia Broadcast Satellite and Satmex:
Quote
Together with Satmex, our co-launch partner, we embark upon an innovative prospect of dual launching four medium-powered satellites on two launches on the Falcon 9.

No dual adapter is needed for those spacecraft.  They are made to stack on each other

Offline joek

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No dual adapter is needed for those spacecraft.  They are made to stack on each other
Interesting, thanks.  Anyone know if these RCM sats are also "stackable"?

Online Skyrocket

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A few days ago, the RCM mission has disappeared from the SpaceX launch manifest website (http://www.spacex.com/missions).

Just a web site mistake or was the launch contract (or even the RCM mission itself) cancelled?


Offline nadreck

A few days ago, the RCM mission has disappeared from the SpaceX launch manifest website (http://www.spacex.com/missions).

Just a web site mistake or was the launch contract (or even the RCM mission itself) cancelled?

I see a launch described as RADARSAT in the Customer column
It is all well and good to quote those things that made it past your confirmation bias that other people wrote, but this is a discussion board damnit! Let us know what you think! And why!

Online Skyrocket

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A few days ago, the RCM mission has disappeared from the SpaceX launch manifest website (http://www.spacex.com/missions).

Just a web site mistake or was the launch contract (or even the RCM mission itself) cancelled?

I see a launch described as RADARSAT in the Customer column

Ah, my mistake: i saw the MDA entry disappear, but did not notice the Radarsat entry appearing

Offline Kaputnik

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Is there an argument for changing the thread title, as presumably this will not be on a v1.1 but a FT?
Waiting for joy and raptor

Offline Jakusb

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Is there an argument for changing the thread title, as presumably this will not be on a v1.1 but a FT?

Als per request of SpaceX, it should simply be Falcon9 of F9 for short.  After Jason3 there is only one version.

Edit: not sure about short F9 part, but seems logical
« Last Edit: 01/16/2016 01:22 PM by Jakusb »

Offline FutureSpaceTourist

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Great spot by GWH, this mission will use a flight proven booster:

And another one, Canadian eh:
https://spaceq.ca/radarsat-constellation-mission-to-fly-on-refurbished-spacex-falcon-9-rocket/

Offline gongora

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Tweet from Peter B. de Selding:
Quote
Maxar @sslmda CEO Howard L. Lance to CNBC: All 3 Canadian govt Radarsat Constellation Mission sats (~ 475kg each) to launch on single previously flown @spacex Falcon 9 in 2018.

Offline IanThePineapple

Tweet from Peter B. de Selding:
Quote
Maxar @sslmda CEO Howard L. Lance to CNBC: All 3 Canadian govt Radarsat Constellation Mission sats (~ 475kg each) to launch on single previously flown @spacex Falcon 9 in 2018.

Wow, if they're that light and flying on a Block 4, it'll likely RTLS

Offline gongora

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Tweet from Peter B. de Selding:
Quote
Maxar @sslmda CEO Howard L. Lance to CNBC: All 3 Canadian govt Radarsat Constellation Mission sats (~ 475kg each) to launch on single previously flown @spacex Falcon 9 in 2018.

Wow, if they're that light and flying on a Block 4, it'll likely RTLS

Not likely to be Block 4 in the second half of 2018.

Offline gongora

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This video shows the custom RUAG dispenser for the mission.


Online Steven Pietrobon

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Screen grabs. The dispenser firsts tilts the satellites and then separates them. Ruag have had 100% success with their adaptors.
« Last Edit: 01/18/2018 07:01 AM by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline gongora

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Tweet from MDA_SatSystems:
Quote
#MDA was delighted to host @SherryRomanado, @Gabriel_SMarie, and @MarjBoutinSweet at our #Montreal facility on 19-Jan to show off the @csa_asc #RADARSAT Constellation Mission satellites being built.

Offline rocket-chris

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I'm wondering a bit about the mass of the sats which is in some sources as well as in this Thread specified with ~475kg.

At the CSA website the "Total mass at launch" is given with 1602kg. And the sats are based on the Canadian SmallSat Bus which has a mass of 760kg only for the bus...

1602kg per sat would give around 4800kg for all three which make a F9 launch more logical than an F9 launch with a payload weight less than 1500kg in total.

http://www.asc-csa.gc.ca/pdf/eng/publications/radarsat-constellation-eng.pdf

https://directory.eoportal.org/web/eoportal/satellite-missions/r/rcm

Offline sewebster

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I'm wondering a bit about the mass of the sats which is in some sources as well as in this Thread specified with ~475kg.

At the CSA website the "Total mass at launch" is given with 1602kg. And the sats are based on the Canadian SmallSat Bus which has a mass of 760kg only for the bus...

1602kg per sat would give around 4800kg for all three which make a F9 launch more logical than an F9 launch with a payload weight less than 1500kg in total.

http://www.asc-csa.gc.ca/pdf/eng/publications/radarsat-constellation-eng.pdf

https://directory.eoportal.org/web/eoportal/satellite-missions/r/rcm

It looks to me like the mass of each satellite is around 1400 kg. This is just based on web searches and trying to interpret various presentations etc. There is one very old CBC article that seems to suggest 1200 kg/sat more definitively (i.e., vs total launch mass for all three: http://www.cbc.ca/news/canada/mda-awarded-contract-to-design-satellite-fleet-1.721135). Most sources just list a mass without mentioning per sat or not... but generally they are comparing Radarsat 1, 2, and now RCM... seems most logical to me to compare the individual satellites, but hard to say really, because when comparing something like revisit time, they will often say daily, but that is for the constellation...

Offline sewebster

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https://directory.eoportal.org/web/eoportal/satellite-missions/r/rcm

Just read this link more thoroughly, originally posted by rocket-chris. It seems rather specific that the mass is 1400 kg/spacecraft and also specifies the bus mass and payload mass separately, both of which mass more than the 475 kg figure that has also been mentioned. Search for "mass" on the page.


Offline gongora

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I hope that 3MT includes the container...

Tweet from RUAGSpace:
Quote
Over 3 metric tons rolled away from our #Linköping facility,
carrying the heaviest piece of hardware ever developed there. Container held a major structure for a dispenser that will launch three spacecrafts simultaneously this year. Safe travels to sunny @California #HeavyLoad

(I'm guessing this is for RCM)

Offline sewebster

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(I'm guessing this is for RCM)

It says "RCM Dispenser" on the container, so I think you are correct!

Looks like it's 1400 kg per spacecraft plus the dispenser.  I'm guessing that means this mission will lift probably between 6200 and 8200 kg (depending on how much of that 3 metric tons is the payload adapter).

Offline Freddedonna

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Pretty cool video posted by the CSA about the Radarsat integration process, filmed inside the MDA factory :
« Last Edit: 05/10/2018 11:25 AM by Freddedonna »

Offline eriblo

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Attended a presentation by Daniel De Lisle (CSA) on June 6 where he stated that the current "focus date" for launch is November 7th, one week into the contracted one month launch period. Should be able to at least say NET November.

Offline gongora

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This news report says late November.

https://globalnews.ca/video/4290161/spacex-launches-canadian-surveillance-satellites

I'm not really believing that all of the SpaceX Vandenberg payloads saying they'll launch this year are actually going to launch this year.  It will be interesting to see if SpaceX can step up their West Coast launch rate.

Offline vaporcobra

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From the WSBW Earth Observation segment:

Quote
At #WSBW Earth observation track, Wayne Hoyle of MDA says the Radarsat Constellation Mission spacecraft should be ready to ship to the launch site at the end of this month; working with SpaceX to set a launch date.

https://twitter.com/jeff_foust/status/1040146506286870529

Offline SwissCheese

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Just got news that RCM mission has now been officially delayed to February.

There's also a new blog post on the Canadian Space Agency website about the mission status:

http://www.asc-csa.gc.ca/eng/blog/2018/10/16/radarsat-constellation-a-major-milestone-reached.asp?utm_source=website&utm_medium=banner-txt&utm_campaign=rcm&utm_content=major-milestone&utm_term=home-page

edit/gongora: linked blog has "Launch window: Week of February 18, 2019"
« Last Edit: 10/16/2018 03:19 PM by gongora »

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