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Nonetheless, hundreds of thousands of asteroids are currently known, and the total number ranges in the millions or more, depending on the lower size cutoff. Over 200 asteroids are known to be larger than 100 km, [45] and a survey in the infrared wavelengths has shown that the asteroid belt has between 700,000 and 1.7 million asteroids with a ...
This list includes few examples since there are about 589 asteroids in the asteroid belt with a measured radius between 20 and 49 km. [162] Many thousands of objects of this size range have yet to be discovered in the trans-Neptunian region.
The number of bodies grows rapidly as the size decreases.Based on IRAS data there are about 140 main-belt asteroids with a diameter greater than 120 km, [6] which is approximately the transition point between surviving primordial asteroids and fragments thereof.
That's about the size of a building, and one of the asteroids passing Earth Thursday exceeds that size threshold. The asteroid, named 2002 NV16 after the year it was discovered, measures about 177 ...
Largest of the asteroids is about 580ft wide, Nasa says
Nonetheless, hundreds of thousands of asteroids are currently known, and the total number ranges in the millions or more, depending on the lower size cutoff. Over 200 asteroids are known to be larger than 100 km, [63] and a survey in the infrared wavelengths has shown that the asteroid belt has between 700,000 and 1.7 million asteroids with a ...
These are lists of asteroids, e.g. by discoverer or by number. See list of minor planets for an overview and numbering and naming conventions.
While all main-belt asteroids with a diameter above 10 km (6.2 mi) have already been discovered, there might be as many as 10 trillion 1 m (3.3 ft)-sized asteroids or larger out to the orbit of Jupiter; and more than a trillion minor planets in the Kuiper belt.