RKK Energiya Soyuz-5 Demo Flight
Soyuz-5
Status
Success
Date
30 APR 2026
18:00
Mission Overview
Demonstration Flight for Russia's new Soyuz-5 launch vehicle, with a mass simulator on board. The launch was suborbital with the simulator splashing down in the Pacific Ocean.
Rocket
Soyuz-5
Mission Type
Test Flight
Orbit
Suborbital
Stages
3
Livestream
Rocket Details
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.
Height
65.258 m
Diameter
4.1 m
Launch Mass
525 T
Thrust
7,257 kN
