Russian Cargo Craft Departs Station to Switch Ports

Oct. 20, 2021: International Space Station Configuration. Three spaceships are parked at the space station including Northrop Grumman's Cygnus space freighter; the SpaceX Crew Dragon vehicle; and Russia's Soyuz MS-19 crew ship.
Oct. 20, 2021: International Space Station Configuration. Three spaceships are parked at the space station including Northrop Grumman’s Cygnus space freighter; the SpaceX Crew Dragon vehicle; and Russia’s Soyuz MS-19 crew ship.

The uncrewed Russian Progress 78 spacecraft undocked from the International Space Station’s Poisk module at 7:42 p.m. EDT today and will arrive at the station’s Nauka Multipurpose Laboratory Module for redocking tomorrow.

Progress 78 will back out to a distance of 120 miles from the space station for a period of just over 24 hours to allow for station keeping. The cargo spacecraft will then make an automated docking at 12:23 a.m. Friday, Oct. 22, to the new module.

NASA TV, the agency’s website, and the NASA app will offer live coverage of the rendezvous and redocking beginning at 11:30 p.m. Thursday, Oct. 21.

The maneuver will position Progress 78 to conduct leak checks of the Nauka module’s propellent lines before they are used with the new module’s thrusters for orientation control of the station. Progress 78 arrived at the station in July and will depart in late November.

Learn more about station activities by following the space station blog@space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

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