Compare with:
Zenit-2
57m
Human (1.8m)
1.8m

Zenit-2 / Credits: Wikipedia (Wikimedia Commons)
UkraineRetired1985–2017
Zenit-2
Yuzhnoye / Yuzhmash
A powerful Ukrainian-built rocket designed as a Sea Launch platform vehicle — used the revolutionary RD-171 engine.
Zenit-2 was designed by Yuzhnoye Design Bureau as a medium-to-heavy lift rocket. Its first stage used the RD-171, the most powerful single-chamber liquid rocket engine ever built, burning liquid oxygen and kerosene. Zenit formed the basis of the Sea Launch program, which launched from a converted oil platform in the Pacific Ocean.
Fun facts
Its RD-171 engine is the most powerful single-chamber rocket engine ever built.
Basis for the Sea Launch program — orbital launches from a floating ocean platform.
SpaceX's Merlin engine was partly inspired by the RD-171's design philosophy.
Height
57 m
Diameter
3.9 m
Mass
459 t
Stages
2
Thrust
7,259 kN
Payload LEO
13,740 kg
Payload GTO
—
Total flights
84
Success rate86.3%
71 success3 partial10 failure
No upcoming launches scheduled.








