Prokopyev

Sergei Valerievich

Russia

International order nº: 557

Russian cosm. nº: 120

Personal data:

Birth date:  19 Feb 1975
Birthplace:  Sverdlovsk (Yekatarinenburg) / Sverdlovsk Oblast / Russian SFSR
Marital status:  Married
Children:  two
Grade / Fonction:  
Selection date:  12 Oct 2010
Selection group:  TsPK-15
Job:  Test Cosmonaut (TC)
Status:  active
 Prokopyev Sergei

Spaceflights:

No Launch Spacecraft Date and time
of launch (UT)		 Status while
launch		 Spacecraft
of landing		 Date and time
of landing (UT)		 Duration
1 Soyuz MS-09 06 Jul 2018
21:51 UT		 FE - ISS-CDR Exp.56/57 Soyuz MS-09 20 Dec 2018
05:02 UT		 196d 17h 49m
2 Soyuz MS-22 21 Sept 2022
13:54:49 UTC		 ISS-CDR, Exp. ,FE Soyuz MS-23 27 Sept 2023
11:17:05 UTC		 370d 21h 22m
Total duration: 567d 15h 12m

EVA′s:

Date Time of
starting		 Duration Crew & Remarks
15 Aug 2018 UT 7h 46m S. Prokopyev and O. Artemyev; mission ISS-Exp.56
The duo released four tiny satellites into Earth orbit, installed antennas and cables on the Zvezda service module and retrieved experiments that analyzed external station surfaces and observed plasma waves, and installed an experiment called Icarus onto the Russian segment of the space station.
11 Dec 2018 UT 7h 45m S. Prokopyev and O. Kononenko; mission ISS-Exp.56
They used this spacewalk to examine a section of the external hull of the Soyuz MS-09 spacecraft currently docked to the space station. The cosmonauts took samples of any residue found on the hull and take digital images of the area.
17 Nov 2022 UT 6h 25m S. Prokopyev and D. Petelin; mission ISS-Exp.?
The cosmonauts prepared the cooler heat exchanger on the Rassvet module for the transfer to the Nauka module.
19 Apr 2023 UT 7h 55m S. Prokopyev and D. Petelin; mission ISS-Exp.?
Main task was to move a radiator from the Rassvet Module and attach it to the Nauka Multipurpose Laboratory Module.
03 Mai 2023 UT 7h 11m S. Prokopyev and D. Petelin; mission ISS-Exp.?
They moved by using the European arm ERA an experiment airlock from the Rassvet Module and attached it to the Nauka Multipurpose Laboratory Module.
12 Mai 2023 UT 5h 14m S. Prokopyev and D. Petelin; mission ISS-Exp.?
Main task was to deploy a radiator on the Nauka Multipurpose Laboratory Module and attach mechanical, electrical and hydraulic connections.
22 June 2023 UT 6h 24m S. Prokopyev and D. Petelin; mission ISS-Exp.?
The cosmonauts retrieved several experiment packages and installed communications equipment on Zvezda and Poisk modules, and took photos of the external hull of the Zvezda module.
09 Aug 2023 UT 6h 35m S. Prokopyev and D. Petelin; mission ISS-Exp.?
Main tasks were to test the relocation of a cosmonaut using the European ERA manipulator. They also installed three debris shields on Rassvet module, where the airlock and radiator were docked.
Total: 55h 15m EVAs: 8

Backup assignments:

Nº. Mission Description Date
1  Soyuz TMA-18  FE  02 Sep 2015
2  Soyuz MS-07  Comd  17 Dec 2017
3  Soyuz MS-21  Comd  18 Mars 2022

Additional information:

Ref.: #16 - update: 08.11.25 Home