Yenisei (rocket)

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Yenisei (Russian: Енисей), project name RN STK-1 (Raketa-Nositel' SverkhTyazhologo Klassa - Carrier rocket super-heavy class), was the first super-heavy launch vehicle being developed by the Russian space industry since the fall of the USSR. The main developer is RSC Energia.

It is being developed within the framework of the federal target program "Creation of a super-heavy class space rocket complex".^[1] The program was given a budget of 600 billion rubles (USD ~$6 billion). It is the main rocket of the Russian Lunar program.

The final design for the rocket was expected to be complete by autumn 2021,^[2] but the program appears to have been paused or stopped just before this expected completion date.

In 2024, it was confirmed that project had been resumed the previous year.

The first launch is expected to happen in 2033 from the Vostochny cosmodrome.^[3]

Based on the Yenisei launch vehicle, the Don launch vehicle (RN STK-2) is being developed by adding another stage.^[4]

Anatoly Zak
RussianSpaceWeb.com
Roadmap with two rockets on the right Yenisei and Don respectively
"Irtysh" "Soyuz-5" is a basis for the first stage
"Volga" "Soyuz-6" will be used as a basis for second stage
"Yenisei"
"Yenisei" (cutaway)
"Don"