Witnesses described seeing a fireball, similar to this stock photo, on May 15.
The meteor was "the brightest and most amazing fireball I've ever seen, in person or in any videos," wrote Chase K. of Dahlgren in his report to the American Meteor Society. The night sky appeared like a giant lightning strike and it was almost as bright as daylight when the primarily red and orange fireball was seen, he said.
He didn't notice any sound, but an observer who identified himself as William G. of Colonial Beach wrote in his report to the society that there was a loud boom and "ground shake similar to a military artillery round."
Comment: Whilst the flyby is apparently over a million years away, we should bear in mind that Gilese 710 is a body we know about and the predictions are based on our current models, because it is often the case that we are taken by surprise: