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SpaceX F9 - 1st 2nd Reuse - SSO-A - SLC-4E

Discussion in 'SpaceX' started by Grendal, Oct 13, 2018.

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  1. Grendal

    Grendal SpaceX Moderator

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    #1 Grendal, Oct 13, 2018
    Last edited by a moderator: Dec 4, 2018
    Launch Date: December 2nd
    Launch Window: 1832 GMT (1:32 p.m. EST; 10:32 a.m. PST)
    Launch site: SLC-4E Vandenberg
    Booster Recovery: ASDS - JRTI
    Booster Type: B1046.3 - Reused Block 5
    Mass: TBD
    Orbit: SSO

    A SpaceX Falcon 9 rocket will launch with Spaceflight’s SSO-A rideshare mission, a stack of satellites heading into sun-synchronous polar orbit. Numerous small payloads will be launched on this mission for nearly 50 government and commercial organizations from 16 countries, including the United States, Australia, Finland, Germany, Singapore and Thailand.

    Notable Smallsats on this mission include: Eu:CROPIS, ITASAT-1, and and two high-resolution SkySat imaging satellites for Planet Labs.

    This is the 18th reuse of a booster and this will likely be the first time an orbital class booster will be reused for a third launch. It is not known whether this will be a RTLS or ASDS recovery yet.

    It will be the 19th launch of the year if the schedule holds.

    Which could happen because SpaceX on 10/13/18 has 5 new Block 5 boosters and 4 previously flown boosters available.
     
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  2. thenaimis

    thenaimis Former Tesla Cheerleader

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    deployment expected to look a little something like this



    @ 1:10 because media links don't let you specify a time, apparently.
     
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  3. ICUDoc

    ICUDoc Active Member

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    An important milestone- using boosters twice has been straightforward: now we see if it is possible to use them over and over again...
     
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  4. ecarfan

    ecarfan Well-Known Member

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    I am planning to go to this launch and hoping it will be RTLS! Since it’s a slow work week, even if the launch date slips several days I still should be able to make the launch.
     
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  5. Grendal

    Grendal SpaceX Moderator

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    I believe it will be RTLS. I just haven't got any confirmation yet.
     
  6. Pricee2

    Pricee2 Member

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    By reused three times do you mean this will be the forth launch for this booster?
     
  7. kdday

    kdday Active Member

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    No, it'll be the third use; second reuse of this booster
     
  8. bxr140

    bxr140 Active Member

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    It is RTLS. :D
     
  9. ItsNotAboutTheMoney

    ItsNotAboutTheMoney Well-Known Member

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    Somebody need to fix the thread title.

    And fix @Grendal. :p
     
  10. Grendal

    Grendal SpaceX Moderator

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    Fine. There is almost no way it isn't confusing. It needs a longer description than the title allows. That's why in the text it's:

    "This is the 17th reuse of a booster and this will likely be the first time an orbital class booster will be reused for a third launch. It is not known whether this will be a RTLS or ASDS recovery yet."
     
  11. Nikxice

    Nikxice Active Member

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    I'm with Grendal on this. 1st 2nd Reuse does make sense, you just have to break it down. This F9 booster flew once. Then it flew a 2nd time for its 1st reuse. The upcoming 3rd flight will be its 2nd reuse and also the 1st time this has been attempted using a Block 5 booster.
     
  12. mongo

    mongo Well-Known Member

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    That's the updated title. It said third reuse previously just like:
    Which is incorrect as it is the third flight, 3rd use, but only 2nd reuse.

    1st 3rd flight would also work for a title, but then, after 4 more times, they'll get sued (or sponsored) by fifth third bank :D
     
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  13. Grendal

    Grendal SpaceX Moderator

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    Thanks everyone. I think I've made it clear as can be now. I was incorrect in my description before.
     
  14. Unpilot

    Unpilot Sell order in at $5999.99

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    Help me out...what is RTLS?
     
  15. thenaimis

    thenaimis Former Tesla Cheerleader

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    RTLS = return to launch site
     
  16. Grendal

    Grendal SpaceX Moderator

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  17. Unpilot

    Unpilot Sell order in at $5999.99

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  18. thenaimis

    thenaimis Former Tesla Cheerleader

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    If I'm not mistaken RTLS started out being a particularly dangerous, untested abort mode for the shuttle. It's a bit different in the SpaceX context, though.
     
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  19. Nikxice

    Nikxice Active Member

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    Good point, especially noting the risk to the shuttle crew. The SpaceX method of RTLS is dramatic, yet it's reliable and has perhaps even become routine. Checking Wiki I learned that NASA actually toyed with the idea of demonstrating RTLS on the first shuttle flight. Even one of the bravest astronauts of that era wasn't too crazy about that idea......."To provide an incremental non-orbital test, NASA considered making the first mission an RTLS abort. However, STS-1 commander John Young declined, saying, "let's not practice Russian roulette" and "RTLS requires continuous miracles interspersed with acts of God to be successful"."
     
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  20. Grendal

    Grendal SpaceX Moderator

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    The landing site (LZ-4) at Vandenberg is practically the launch site since they are so close together. However LZ-1, at the Cape, is pretty far from SLC-40 and LC-39A. It won't be until BFR that we will actually get a RTLaunchS. Currently, for SpaceX, it should be RTLandingS. Or possibly: RTLZ = Return To Landing Zone.
     

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