A brilliant fireball streaked through the night sky over southern Arizona, US around 03:32 UTC on September 24, 2017 (20:32 MDT, September 23). The event lasted about 12 seconds and produced a sonic boom picked up by a seismometer near Tucson.
The American Meteor Society (AMS) received 35 reports of a fireball seen over Arizona and New Mexico. 6 eyewitnesses reported hearing a sound associated with the event, 3 delayed and 3 concurrent, while 12 of them reported seeing fragmentation.
The object was captured by all-sky cameras at Kitt Peak National Observatory, Mount Lemmon Observatory, and the MMT Observatory