Asteroid Hitting Earth 2024 Tracker India. Sentry is a highly automated collision monitoring system that continually scans the most current asteroid catalog for possibilities of future impact with earth over the next 100 years. An asteroid named 2024 rn16, measuring 110 feet wide, will make a close approach to earth today.

It measured around 3.3 feet wide (1 meter) and. It is between 210 and 500 m across and will briefly pass within one million km.