Yet the 911 call track shows TWO near 90° turns.
"Any sufficiently advanced technology is indistinguishable from magic." ~ Arthur C. Clarke
Eye witness accounts on the Tunguska event also reported radical direction changes.
A much bigger trajectory change can occur when a large part of *something* breaks off!
Conservation of momentum would require a bifurcated track for a large part breaking off, not a single object making a sharp turn (although I suppose a change in aerodynamic shape could happen by shedding a smallish edge or other feature).
911 call track?
eyewitness is notoriously unreliable.
Give me radar data, showing 90 degree turns (even one will do), then we will talk.