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Press Release, NASA
Three residents of the International Space Station, including one NASA astronaut, are scheduled to wrap up their stay aboard the orbital laboratory Wednesday, Dec. 19. Live coverage of their return to Earth will air on NASA Television and the agency’s website.
NASA Flight Engineer Serena Auñón-Chancellor, Expedition 57 Commander Alexander Gerst of ESA (European Space Agency) and Soyuz commander Sergey Prokopyev of the Russian space agency Roscosmos will close the hatch to their Soyuz MS-09 spacecraft and undock from the station’s Rassvet module, with a landing scheduled for 12:03 a.m. EST Dec. 20 (11:03 a.m. Kazakhstan time) southeast of the remote town of Dzhezkazgan.
The crew is completing a 197-day mission spanning 3,152 orbits of Earth and a journey of 83.3 million miles. Auñón-Chancellor and Prokopyev are completing their first flights into space, while Gerst will be returning from his second long-duration mission. With a total of 362 days in orbit, Gerst will hold the flight duration record among ESA astronauts.
Coverage of the Expedition 57 departure and landing activities is as follows (all times EST):
Tuesday, Dec. 18
- 4:40 p.m. – Change of command ceremony with Gerst handing over station command to Oleg Kononenko of Roscosmos.
Wednesday, Dec. 19
- 4:45 p.m. – Farewell and hatch closure coverage (hatch closure at 5:30 p.m.)
- 7:45 p.m. – Undocking coverage (undocking scheduled for 8:40 p.m.)
- 10:45 p.m. – Deorbit burn and landing coverage (deorbit burn at 11:10 p.m. and landing at 12:03 a.m. Dec. 20)
After landing, the crew will return by helicopter to the recovery staging area in southern Kazakhstan, where they will split up to travel to their respective homes.
At the time of undocking, Expedition 58 will formally begin aboard the station, with NASA’s Anne McClain, David Saint-Jacques of the Canadian Space Agency, and Kononenko comprising a three-person crew for just under three months. The next residents to the space station — Nick Hague and Christina Koch of NASA and Alexey Ovchinin of Roscosmos — will launch aboard Soyuz MS-12 Feb. 28, from the Baikonur Cosmodrome in Kazakhstan, to join Expedition 58 following a six-hour journey.