It's anyways possible that it was struck by a meteorite or a piece of space debris that's too small to be tracked.
But these satellites also carry fuel for orbit keeping, evasion manoeuvres and going to a graveyard orbit at its end of life. Given that this satellite had two separate propulsion issues and Intelsat-29e suffered from electrostatic discharge it's not difficult to imagine the satellite igniting its fuel in an uncontrolled manner
But these satellites also carry fuel for orbit keeping, evasion manoeuvres and going to a graveyard orbit at its end of life. Given that this satellite had two separate propulsion issues and Intelsat-29e suffered from electrostatic discharge it's not difficult to imagine the satellite igniting its fuel in an uncontrolled manner