NASA's planetary defence officer said in a statement: "This was a much smaller object than we are tasked to detect and warn about".
Also, the scientist says that such examples are illustrative of the work of NASA: "This is a real event allows you to test our capabilities and gives some condence that our models predict collisions suited to respond to the potential impact of larger objects".
Paul Chodas, the Manager of NASA's CNEOS (Center for Near-Earth Object Studies), stated it is the 2nd time the prediction of collision location was precise.
JUST hours after United States space agency NASA detected it, an asteroid smashed into Botswana, Africa on the weekend.
The Catalina Sky Survey is a NASA-funded project run by the University of Arizona.
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Just over 13 hours after it was detected, a bright "bolide" fireball was spotted at the end of that line, over the border between Botswana and South Africa.
Representatives of the IAU indicated that "the asteroid 2018 LA no longer exists... it impacted the atmosphere on Saturday at a height of 50 kilometers above South Africa". This is a third such instance of tracking small asteroids with impact trajectory.
This small asteroid has first got the name of ZLAF9B2, but only as a temporary denomination.
The first in 2008 was detected 19 hours ahead of impact, and the second was detected a few hours ahead in 2014.
Using what information was available, however, they were able to roughly calculate where it would enter Earth's atmosphere: In a swath stretching from southern Africa, across the Indian Ocean to New Guinea.
National Geographic previously reported that scientists have calculated the odds of dying from an asteroid, meteorite, or comet impact and they found that the probabilities are incredibly low.
Constantly scanning telescopes capture images of the sky and movement through photos over time triggers a comparison of known objects in a database. Automated alerts were sent out to a community of asteroid observers worldwide, even as a communique was rushed to the Planetary Defense Coordination Office at the NASA Headquarters in the nation's capital.