And the fact that its a plane is way more apparent once it stops making a contrail (which is due to it moving between two regions of air its colder and/or more humid out to sea than inland)
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A couple of days later a new photo of the trail was discovered from a known time, heading and position, this allowed the location of the trail to be triangulated, and it became apparent that UPS902 was a better fit than AWE808."
The video I linked above illustrates the match.
That picture should be required viewing for anyone that still doesn’t get it. It’s OVER. It’s a freaking plane! Stop the madness!
Your overlay photo and the lack of a good velocity reference, along with checking the UPS902/AWE808 flight pretty much killed any missile ideas I may have had, and I was on the missile side at first. The video just does not give you any idea how fast it was moving. Anyone that has seen a launch knows that would be crucial to discerning what it was.
Until I see a wide angle shot from a stable video cam to give an idea of speed, it is most certainly an aircraft that got lit up just right.