Vyacheslav Ermolin, October 16, 2020
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Deorbiting will be a lengthy process. 2 years in case of a regular retirement or up to six months in an emergency scenario.
The main deorbiting operations are to be carried out by the Progress spacecraft and the propulsion system of the Russian segment.
The probability of an ISS accident from a debris impact turned out to be unexpectedly high (1 in 120).
The operations of the Cygnus cargo vehicle to correct the ISS orbit have become clear. Working out possible "help" to "Progress" during the descent of the ISS.