On July 24, 2019 an asteroid measuring between 60 and 140 meters in diameter whizzed by planet earth. It was the largest bolide to come between the Earth and the Moon this year. To compare, the Chelyabinsk meteor was estimated to be around 20 meters in size, where 1,491 injuries were reported according to Wikipedia.

Surprise asteroid whizzed by Earth today, and we didn’t even blink https://cnet.co/2Ypv6Y2 via @CNET

An asteroid just buzzed past Earth, and we barely noticed in time http://theconversation.com/an-asteroid-just-buzzed-past-earth-and-we-barely-noticed-in-time-120972 via @ConversationEDU

Asteroid 2019 OK to flyby Earth at 0.19 LD on July 25 – the largest of the year https://watchers.news/2019/07/24/asteroid-2019-ok/