Fastest-orbiting asteroid in solar system discovered

It takes asteroid 2021 PH27 just 113 Earth days to complete a lap around the sun.

Artist's illustration of the newfound asteroid 2021 PH27 (foreground), which orbits the sun every 113 Earth days. That's faster than any other known solar system object except the planet Mercury (seen here below and to the left of 2021 PH27).

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