A North Korean satellite launched in 2016 will end its space odyssey and fall toward Earth on Friday, experts forecast.

The Kwangmyongsong-4 (KMS-4) satellite is likely to completely burn up within a few minutes after entering the atmosphere, without posing any significant risk to aircraft or people on the ground, according to Jonathan McDowell of the Harvard-Smithsonian Center for Astrophysics.

“It is certainly now a matter of hours,” he told NK News at 11 a.m. KST on Friday, adding that “there is only a small chance that some very small bits of debris will reach the surface.”

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