Based on the entity’s report, Kononenko surpassed the previous record stay of almost 879 days which his compatriot Guennadi Padalka held since 2016.

Kononenko is completing his fifth mission aboard the International Space Station (ISS) and is on track to become, next June 4, the first cosmonaut with more than 1,000 days in space.

By the date of his return to Earth, September 23, 2024, Kononenko will have summed up 1,110 days in orbital missions.

The longest continuous stay in the history of the ISS, 371 days, was made by Russian cosmonauts Sergey Prokopiev and Dmitri Petelin, as well as U.S. astronaut Francisco Rubio.

The three arrived at the station on September 21, 2022, and stayed six months longer than planned after a micrometeorite caused the Soyuz MS-22 spacecraft’s cooling system to depressurize and forced them to wait for the next one to return.

The all-time record for continuous stay on a single space mission, nearly 438 days, is held by Russia’s Valeri Polyakov, who set that mark aboard the Mir station in 1995.

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