John Kirby called it an object today during the White House press briefing. He also said it was the size of a small car, unlike the balloon from China that was the size of 2-3 buses. Finally, Kirby said that the object could not direct its own propulsion or direction and was at the whim of the wind.

Source: https://www.youtube.com/live/rHGWmyyb9nI?feature=share