>Did everyone know a 200 mile wide asteroid passed earth BETWEEN earth and the moon
Yes, and no, it didn't. They knew for a whole month.
"According to the NASA/JPL Center for Near Earth Object Studies (CNEOS), the asteroid is estimated to be between 13 and 29 feet (3.9 and 8.8 meters) in diameter, roughly the size of a house or three-story building."
https://www.space.com/asteroid-2023-mu2-livestream-june-25