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Vehicle file · LV-15

Soyuz 2.1b

Progress Rocket Space Center · Soyuz · IN SERVICE

Soyuz 2.1b is an expendable orbital launch vehicle built by Progress Rocket Space Center. It stands 46.3 m tall, lifts 8,200 kg to low Earth orbit, first flew on 26 July 2008. It has flown 25 times with 25 successes, a success rate of 100.0%. Its next flight is Soyuz 2.1b | Progress MS-36 (97P) for Russian Federal Space Agency (ROSCOSMOS), no earlier than 2026-11-24 05:03:00Z.

Specification

Vehicle spec sheet

PUBLISHED
Height46.3 m
Diameter3.0 m
Payload to LEO8,200 kg
Payload to GTO3,250 kg
Maiden flight26 July 2008
ReusableNo — expendable
Launch cost$80,000,000M
StatusIn service

Flight record

Reliability

ON RECORD
Total flights25
Successful25
Failed0
Success rate100.0%
Landing attempts0
Landing successN/A
Scheduled0

About Soyuz 2.1b

Soyuz-2 is the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the second stage.

Upcoming flights

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Common questions

How many times has Soyuz 2.1b flown?
Soyuz 2.1b has flown 25 orbital missions, with 25 successes and 0 failures.
What is Soyuz 2.1b's success rate?
Soyuz 2.1b has a success rate of 100.0%, from 25 successful flights out of 25 attempts.
When is the next Soyuz 2.1b launch?
The next Soyuz 2.1b flight is Soyuz 2.1b | Progress MS-36 (97P), operated by Russian Federal Space Agency (ROSCOSMOS), scheduled no earlier than 2026-11-24 05:03:00Z from 31/6.
How much can Soyuz 2.1b lift to orbit?
Soyuz 2.1b is rated for 8,200 kg to low Earth orbit and 3,250 kg to geostationary transfer orbit. These are the operator's published maximums and assume an expendable or fully optimised configuration.
Is Soyuz 2.1b reusable?
No. Soyuz 2.1b is expendable: every stage is discarded during flight and nothing is recovered for reflight.