Kentucky road orb

I was traveling down the road in Kentucky (via Google Earth) and this thing started showing up in about ten frames covering approximately 1/4 mile of road. Interestingly it appears in bright sun and in full shadow. A car passed right through it as if it were just traveling at a slower speed. Even the Google vehicle drives past it at a different speed. I wish I could upload all the frames. I snipped the coordinates into the picture so you can 'fly' there yourself and see the whole picture!