on friday the 13th, a rock 7m in diameter travel with a ∆v of 13,700 m/s missed earth by less than 5500 miles. a blonde pubic hair in astronomical terms.
https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2020%20VT4&orb=1
on the same day, another rock 5m in diameter with a ∆v of 7500 m/s missed by about 150,000 miles (0.7 lunar distances).