In the SES launch on March 4, 2016, when the satellite deployed, there was quite a bit of junk that was released when the satellite was released. What was that?

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  • $\begingroup$ The link in the question contains v=sIkPP2LM8DU&t=3083s. 3083 seconds is 51m 23s but both that technical webcast and the other, full webcast are less than 44 minutes in length. I think it should be 43m 34s = t=2614 to match T+ 00:32:08. Is SpaceX changing the length of the video? Same for the comment by @ventsyv below $\endgroup$
    – uhoh
    Commented Jun 4, 2016 at 2:44

1 Answer 1


Probably ice. As the spacecraft goes through the atmosphere water condenses, then freezes. When the satellite is released, some of that ice breaks off.

  • $\begingroup$ It could be, but this was a part of the rocket that was covered in the atmosphere $\endgroup$
    – PearsonArtPhoto
    Commented Mar 5, 2016 at 3:27
  • $\begingroup$ Actually after watching the video more closely, it appears like some insulation was ripped. You can see it clearly in the video at 46:45 (T+00:27) $\endgroup$
    – ventsyv
    Commented Mar 5, 2016 at 4:01
  • $\begingroup$ @ventsyv like I mentioned above Both the technical and "full" webcast videos on the SpaceX website are less than 44 minutes long. Both of your timestamps are beyond the full length of the videos. I wonder - are they editing the videos and reducing their length? $\endgroup$
    – uhoh
    Commented Jun 4, 2016 at 2:47

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