“Over long periods of time, however, the chances of the Earth being impacted are not negligible so that some form of NEO insurance is warranted.”
RM45 will make its closest approach on Tuesday evening (March 2), coming within 0.01959au of Earth – more than seven times farther than the Moon.
NASA’s trackers at CNEOS estimate the space rock is flying through space at speeds of about 20km per second or 44,828mph.
For comparison, the speed of sound is only about 767mph.
According to the Planetary Society, some 100 tons of “space stuff” bombard our planet every day.