Hi Leo,
That is a very interesting pic !
There is no trail in the image before / after, so I doubt whether it is a satellite.
My guess is that your image is of a small meteorite entering the upper atmosphere.
Typically, these get really hot as they enter the atmosphere, leaving a bright streak, then they vaporise in a bright flash, then leave another streak as they cool down ...
These happen all the time, but not everyone is lucky enough to capture all three in one image
