It looks like a small black spec a few hundred feet off the ground to me. Drone seems pretty likely. Perhaps it's junk that fell off another aircraft, it could

It looks like a small black spec a few hundred feet off the ground to me. Drone seems pretty likely. Perhaps it's junk that fell off another aircraft, it could be a satellite falling to Earth for all I know, but drone seems like the first hypothesis to rule out. Or that the footage is inauthentic I suppose.