The fast moving near Earth Object that I mentioned in Sky Notes tonight has been named 2020 UQ6. Details are in this MPEC. My timelapse from last night is here. It is quite unusual for such a large object to be discovered this close to the Earth. There is no prospect of any impact though!
I’ve just imaged it again tonight and it is now around 16th mag moving at around 20 arcsec/min. Possibly a visual target if you have a large enough telescope.