...According to radar images from the Arecibo Observatory, asteroid 2020 BX12 has a smaller asteroid that is 230 feet in diameter orbiting it.
...Asteroid 2020 BX12 is nearly 1,500 feet in diameter, according to NASA's Center for Near-Earth Object Studies.
..."Radar images obtained by the Arecibo Observatory on the 4th and 5th of February revealed that near-Earth asteroid 2020 BX12 is a binary asteroid," the observatory wrote in a statement on its website.
..."Potentially hazardous" NEOs are defined as space objects that come within 0.05 astronomical units and measure more than 460 feet in diameter, according to NASA.
...According to a 2018 report put together by Planetary.org, there are more than 18,000 NEOs.
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