Space Launch Now - Soyuz 2.1b

Soyuz 2.1b

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Progress Rocket Space Center (PRSC)

July 26, 2008

Description

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.

Specifications

Minimum Stage
2
Max Stage
3
Length
46.3 m
Diameter
2.95 m
Fairing Diameter
―
Launch Mass
312.0 T
Thrust
―

Family

Name
Soyuz 2.1b
Family
―
Variant
―
Alias
―
Full Name
Soyuz 2.1b

Payload Capacity

Launch Cost
$80000000
Low Earth Orbit
8200.0 kg
Geostationary Transfer Orbit
3250.0 kg
Direct Geostationary
―
Sun-Synchronous Capacity
4900.0 kg

Progress Rocket Space Center

Commercial

CEO: Dmitry Baranov

PRSC 1996

Progress Rocket Space Centre, formerly known as TsSKB-Progress, is a space science and aerospace research company which is known for manufacturing launch vehicles and satellites. Most notably, Progress Rocket Space Centre is the manufacturer of Soyuz launch vehicles.

Previous Flights

flew on three previous launch(es).

Soyuz 2.1b | Bion-M No. 2

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Aug. 20, 2025, 5:13 p.m.

Status: Launch Successful

Mission:

Bion-M is the next generation of Russian biological research satellites. While retaining the Vostok/Zenit-derived reentry module of the earlier Bion, the propulsion module has been replace by a Yantar type module, which provides maneuvering capabilities and longer mission support. The mission duration has been increased to up to 6 months by using solar cells for energy generation. The weight of scientific equipment has been increased by 100 kilograms.

Low Earth Orbit

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Soyuz 2.1b | Resurs-P No.5

Progress Rocket Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Dec. 25, 2024, 7:45 a.m.

Status: Launch Successful

Mission:

Resurs-P is a series of Russian commercial Earth observation satellites capable of acquiring high-resolution imagery (resolution up to 1.0 m).

Sun-Synchronous Orbit

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Soyuz 2.1b | Kosmos 2580 (Lotos-S1 #9)

Progress Rocket Space Center | Russia
Plesetsk Cosmodrome, Russian Federation
Dec. 4, 2024, 6:03 p.m.

Status: Launch Successful

Mission:

Note: Payload identity uncertain. Multiple other military payloads that are not identified may be on board. Lotos-S1 spacecraft is a part of the Liana constellation, designed for orbital electronic intelligence.

Low Earth Orbit

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