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SpaceX F9 - Starlink 12 - LC-39A

Discussion in 'SpaceX' started by Grendal, Sep 2, 2020.

  1. Grendal

    Grendal SpaceX Moderator

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    #1 Grendal, Sep 2, 2020
    Last edited: Oct 5, 2020
    Launch Date: October 6
    Launch Window: 7:29 am EDT (4:29am PDT, 11:29 UTC)
    Launch site: LC-39A, Kennedy Space Center, Florida
    Core Booster Recovery: ASDS - OCISLY
    Booster: B1058.3
    Fairings: Reused.2 - first time fairings reused for a second time
    Mass: 60 satellites at 260 kg each - 15,600 kg (34,500 lbs)
    Orbit: LEO

    A SpaceX Falcon 9 rocket will launch the 13th batch of approximately 60 satellites for SpaceX’s Starlink broadband network, a mission designated Starlink 12.
     
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  2. Grendal

    Grendal SpaceX Moderator

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    Date, time, and booster updated.
     
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  3. Grendal

    Grendal SpaceX Moderator

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    60% go for weather on tomorrows launch. The next day, if delayed, is 40%.
    [​IMG]
     
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  4. Grendal

    Grendal SpaceX Moderator

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    Webcast:
     
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  5. Grendal

    Grendal SpaceX Moderator

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    [​IMG]
     
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  6. Cosmacelf

    Cosmacelf Well-Known Member

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    Looks like this has just been postponed until tomorrow, the 18th.
     
  7. Grendal

    Grendal SpaceX Moderator

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  8. Grendal

    Grendal SpaceX Moderator

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    Standing down for very bad weather. Big ? on when for now.

    SpaceX twitter:
    Standing down from tomorrow’s launch of Starlink due to severe weather in the recovery area, which is likely to persist for a couple days. Will announce a new target launch date once confirmed
     
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  9. Grendal

    Grendal SpaceX Moderator

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    First post updated
     
  10. Grendal

    Grendal SpaceX Moderator

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    24 hour delay:
    [​IMG]
     
  11. Grendal

    Grendal SpaceX Moderator

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  12. Grendal

    Grendal SpaceX Moderator

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    Tim Dodd's Webcast for the launch:
     
  13. Grendal

    Grendal SpaceX Moderator

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    Scrub due to weather. No backup date just yet.
     
  14. ecarfan

    ecarfan Well-Known Member

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    I find it odd that with the weather “no go” they would run the countdown down to T-00:35 before scrubbing. And why can’t rockets fly through clouds? I heard nothing about high altitude winds.
     
  15. Grendal

    Grendal SpaceX Moderator

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  16. bxr140

    bxr140 Active Member

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    I wasn’t watching, but there could have been electrical potential in the clouds?
     
  17. Snerruc

    Snerruc Member

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    Perhaps the weather is at the landing site.
     
  18. HVM

    HVM Savolainen

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  19. ItsNotAboutTheMoney

    ItsNotAboutTheMoney Well-Known Member

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  20. ecarfan

    ecarfan Well-Known Member

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    Thanks for the link. I am familiar with the inkerneck: as I understand it, it is a “network of tubes”. :rolleyes: But that’s off topic for this thread. :D

    What I heard during the webcast were references to a “cloud layer” but nothing about thunderstorms, lightning, wind shear, or high winds. So in regards to this particular scrub, perhaps the relevant part of that document is this:

    ——————————————
    Do not launch through a cloud layer greater than 4,500 feet thick that extends into freezing temperatures, unless other specific criteria can be met.
    Do not launch within 10 nautical miles of cumulus clouds with tops that extend into freezing temperatures, unless specific height- associated distance criteria can be met.
    ——————————————-
    .
    This page says freezing temperatures can “jam instruments”. What instruments Would be effected?
    KT Explains: How and why the earth's weather can affect rocket launches to outer space
     

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