Asteroid 2024 Bx19. Just a couple of weeks later, on 6 june 2024, the catalina sky survey in arizona, usa, discovered a small asteroid 2—4 m in size that triggered an alert from esa’s imminent impact monitoring system (meerkat). Although small asteroids on collision courses with earth are typically detected only when they crash into the atmosphere, scientists spotted this one roughly three hours before impact.

The final detection of asteroid 2024 bx1 (initially known as sar2736 prior to impact) obtained by luca buzzi from the schiaparelli observatory in italy. 2024 mk is above the horizon from greenwich, uk.