Soyuz-5 | Demo Flight
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2026-03-27 11:00:00GMT
TBC
To Be Confirmed
Awaiting official confirmation - current date is known with some certainty.
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Type: Commercial
Successful Launch / Total Launch: 0 / 0
Number of launch attempt this year: 0
Launchers: -
Spacecraft: -
Soyuz-5, also named Irtysh is a planned Russian rocket that is being developed by JSC SRC Progress, formerly within "Project Feniks." It will replace the capability of Zenit-2 and Proton Medium. It will initially be a two-stage rocket, but Soyuz 5 can be enhanced with an optional Blok DM-03 upper stage for geostationary missions. The rocket is loosely based on the Zenit launch vehicle with a RD-171MV engine on the 1st stage, enlarged to 4.1 m in diameter, while the 2nd stage is powered by 2 RD-0124MS engines derived from engines used on the 3rd stage of the Soyuz-2.1b. The Soyuz-5 can lift 17 tonnes to a Low Earth orbit.
Successful Launch / Total Launch : 0 / 0
Height: 65.258 m
Diameter: 4.1 m
Liftoff Mass: 525 t
Liftoff Thrust: 7257 kN
Cost: - €
LEO / GTO capacity: 17000 kg / 5000 kg
Apogee: - km
1st flight: -
Demonstration Flight for Russia's new Soyuz-5 launch vehicle, with a mass simulator on board. Details TBD.
Type: Test Flight
Orbit: Low Earth Orbit (LEO)
Window: 2026-03-27 11:00:00GMT
Location: Baikonur Cosmodrome, Republic of Kazakhstan
Launches from the pad this year / Total launches from the pad: 0 / 46
Total launches from the location: 1560
Timezone: Asia/Qyzylorda