Soyuz 2.1a | Progress M-27M

Launch Failure

After reaching low Earth orbit, but before separation of the spacecraft from the rocket, communication with the vessel was lost. Ground controllers only received brief telemetry shortly after that confirmed spacecraft separation as well as the deployment of the solar panels, but were not able to confirm the deployment of rendezvous antennas of the KURS system. Initially controllers tried to fall back to the plan of making a 2-day rendezvous with the ISS, but this was also abandoned after ground stations were not able to communicate with the spacecraft during the next 3 orbits.

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Launch Window

April 28, 2015, 7:09 a.m. - April 28, 2015, 7:09 a.m.

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Soyuz 2.1a | Progress M-27M

Soyuz 2.1a

Family:
Configuration:

The Soyuz 2.1A converted the flight control system from analog to digital, which allowed launch from fixed platforms. It also allowed big fairings and payloads. It is currently used for crewed Soyuz and Progress flights to the ISS.

Specifications
  • Minimum Stage
    2
  • Max Stage
    3
  • Length
    46.3 m
  • Diameter
    2.95 m
  • Fairing Diameter
    ―
  • Launch Mass
    312 T
  • Thrust
    4149 kN
Family
  • Name
    Soyuz 2.1a
  • Family
    ―
  • Variant
    ―
  • Alias
    ―
  • Full Name
    Soyuz 2.1a
Payload Capacity
  • Launch Cost
    $80000000
  • Low Earth Orbit
    7020 kg
  • Geostationary Transfer Orbit
    2810 kg
  • Direct Geostationary
    ―
  • Sun-Synchronous Capacity
    4230 kg

Progress M-27M

In-active Cargo Unmanned Payload Capacity: 2350 kg
Destination: International Space Station
Serial Number: Progress M-27M (No.426)

Progress M-27M (Russian: Прогресс М-27М), identified by NASA as Progress 59 or 59P, was a Progress spacecraft used by Roscosmos in an unsuccessful attempt to resupply the International Space Station.

Progress-M (modified) Details

Progress Rocket Space Center

Progress Rocket Space Center

(PRSC)

Dmitry Baranov Founded: 1996 Successes: 44 Failures: 1 Pending: 0

Agency Type:

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.

INFO WIKI

Baikonur Cosmodrome, Republic of Kazakhstan

31/6

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