11 May 2020
On 11 May, the empty core stage of the CZ-5B rocket, re-entered the dense layers of the atmosphere, passed directly over Los Angeles and New York before impacting the Atlantic Ocean at location 20 W 20 N, off the West African coast of Mauritania at 15:34 UTC. The spent 18 t core stage was the largest piece of space debris to fall uncontrolled back to Earth since 1991 and the fourth biggest ever. For the launch of the main modules of the China Space Station three more launches of the CZ-5B are required.
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