Asteroid 2022 WJ1 predicted and seen as a fireball over Ontario
- When
- Where
- Grimsby, Canada
- Sources
- 1 public source

A small asteroid found by the Catalina Sky Survey about three and a half hours earlier entered the atmosphere over southern Ontario at 3:27 a.m. EST, where NASA's Scout system, refined by amateur follow-up, had predicted. It broke up as a fireball near Lake Ontario.