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Mars 2020 Mission, Perseverance Rover Launch

Discussion in 'SpaceX' started by doug, Jul 28, 2020.

  1. doug

    doug Administrator / Head Moderator

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    Not a SpaceX mission, but I'm sure folks here will be following the launch.

    Launch

    Launch: July 30 at 4:50 a.m. PDT (7:50 a.m. EDT)
    Launch Period: July 30 - Aug. 15, 2020
    Landing: Feb. 18, 2021
    Launch Vehicle: Atlas V-541
    Launch Location: Cape Canaveral Air Force Station, Florida

     
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  2. Grendal

    Grendal SpaceX Moderator

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  3. ecarfan

    ecarfan Well-Known Member

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    Perserverance is the most exciting Mars rover yet! The Marscopter blows my mind. And who cannot love instruments named Sherlock and Watson? :cool:
     
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  4. e-FTW

    e-FTW New electron smell

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    Yes! A helicopter on another planet! Mind blown
     
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  5. Chuq

    Chuq Active Member

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    This one is using the same landing system as was used with Curiosity in 2012? With the sky crane? I remember following that one and being absolutely surprised and amazed that it worked flawlessly. Hopefully they can make it 2 from 2! But I guess we still have several months to wait for that part!
     
  6. Patrick W

    Patrick W Active Member

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    For those who might want to "literally" follow the mission, JPL-Horizons provides coordinates for those with the proper equipment to follow the craft for the first day or so after leaving Earth. Note that the spacecraft will be way too faint to be seen with naked eye or even binoculars. But with a modest sized telescope (25 to 35cm) and an imager made for taking astro-images it's not that hard to get pictures (I imaged the previous two Mars-bound launches and plan on working this one as well).

    HORIZONS Web-Interface
     
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  7. Grendal

    Grendal SpaceX Moderator

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  8. doug

    doug Administrator / Head Moderator

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  9. doug

    doug Administrator / Head Moderator

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  10. e-FTW

    e-FTW New electron smell

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  11. e-FTW

    e-FTW New electron smell

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    On the sample return mission:
    Something-something Starship something-something...
     
  12. Grendal

    Grendal SpaceX Moderator

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    Tim Dodd, the EA, does his liivestream play by play of the launch:
     
  13. doug

    doug Administrator / Head Moderator

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    *blink*blink* It's pretty early here on the west coast.
     
  14. Nikxice

    Nikxice Member

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    The Perseverance mission can be followed on Twitter. This morning the spacecraft was quite busy issuing statements. Here's the most recent quote...... "Hello from Space."
    https://twitter.com/NASAPersevere
     
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  15. ecarfan

    ecarfan Well-Known Member

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    Very happy that the launch was nominal and Perseverance is now on the way to Mars.

    Interesting that the RUAG 5.4m fairing for the Atlas V completely encloses the Centaur upper stage. Seems counterintuitive to design it that way since it adds additional weight but apparently that is necessary to achieve that diameter, which is needed for this particular payload.
     
  16. doug

    doug Administrator / Head Moderator

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    Post launch briefing:

     
  17. mongo

    mongo Well-Known Member

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    The 5m fairing takes some of the load off of the upper stage.
    See tweet from Tory:
    Twitter
     
  18. bxr140

    bxr140 Active Member

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    Yeah, its basically a rigged solution kinda like how many auto manufactures still cram batteries into their existing ICE chassis to make new EVs. Obviously Ariane has been flying the 5m Ruag fairing for decades in a "normal" configuration, and Vulcan is also going to adopt the "normal" configuration.

    Atlas 5 was designed around a 4m fairing (the 4m A5 fairing is basically the same as A2 and A3), and the centaur upper stage is about as old as dirt--wrapping the upper stage in the fairing was about the only thing they could do to keep atlas 5 relevant in the 5m space. The only other option would have been to pin all American 5m hopes and dreams on the gold plated Delta4...or...well...I guess that's it, short of designing a new rocket (like they're doing-ish with Vulcan).
     
  19. Grendal

    Grendal SpaceX Moderator

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    Nicely done. ULA is learning from SpaceX and had some nice live visuals from the rocket. The fairing deploy was pretty intense with that extra large fairing. Too bad they didn't have a forward camera on the Centaur stage. It was interesting to see the difference between the Centaur (hydrolox) and the Merlin second stage burns. You can barely tell that the engine is even running.

    We've got quite a while before the big landing on Mars event. Go Perseverance.
     
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  20. ecarfan

    ecarfan Well-Known Member

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    Even though I knew in advance of watching the video today that the mission was successful, when the fairings detached for a fraction of a second I thought the rocket had exploded! It was pretty dramatic.
     
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