
Sergey Teteryatnikov
RFSARussianGovernmentActive
Aboard International Space Station since 2026-07-26
WikipediaFlight record
first and only flightFirst and only flight year 2026.
1Flight
33d 10hTime in space
Not recordedEVA time
0Spacewalks
Flights count launches with a definitive outcome — the same basis as the Stats page.
Biography
Sergey Teteryatnikov graduated from the Naval Academy, St. Petersburg, Russia, in 2011 as an engineer specializing in ship power plant operations. Before his selection as a test cosmonaut, Teteryatnikov served in various naval engineering roles, including undersea vessels and specialized engine room operations. He was selected for the Gagarin Research and Test Cosmonaut Training Center Cosmonaut Corps in 2021 and has served as a test cosmonaut since 2023.
Biography from Launch Library 2.
Background
- Born in
- Uspenovka
From Wikidata.
Flights
- Falcon 9 Block 5 | Crew-13October 1, 2026 · 15:10 UTC
Expeditions
- Expedition 752026-07-26
Born 1988-12-19 · age 37