Soyuz 26

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Soyuz 26
COSPAR ID 1977-113A
SATCAT no. 10506
Mission duration 37 days, 10 hours, 6 minutes, 18 seconds
Orbits completed 1,522
Spacecraft properties
Spacecraft type Soyuz 7K-T
Manufacturer NPO Energia
Launch mass 6,800 kilograms (15,000 lb)
Crew size 2
Launching Yuri Romanenko
Georgi Grechko
Landing Vladimir Dzhanibekov
Oleg Makarov
Callsign Таймыр (Taymyr - "Taymyr Peninsula"
Start of mission
Launch date 10 December 1977, 01:18:40 (1977-12-10UTC01:18:40Z) UTC
Rocket Soyuz-U
Launch site Baikonur 1/5[1]
End of mission
Landing date 16 January 1978, 11:24:58 (1978-01-16UTC11:24:59Z) UTC
Landing site 265 kilometres (165 mi) W of Tselinograd
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee 193 kilometres (120 mi)
Apogee 246 kilometres (153 mi)
Inclination 51.65 degrees
Period 88.67 minutes
Docking with Salyut 6
Soyuz programme
(Manned missions)

Soyuz 26 (Russian: Союз 26, Union 26) was a Soviet space mission which launched the crew of Salyut 6 EO-1, the first long duration crew on the space station Salyut 6.[2]

The Soyuz spacecraft was launched on 10 December 1977, and docked with the space station the next day. Soyuz 27 arrived at the station in January 1978, and its two-person crew transferred into the Soyuz 26 spacecraft to undock and land a few days later.


Position Launching Cosmonaut Landing Cosmonaut
Commander Yuri Romanenko
First spaceflight
Vladimir Dzhanibekov
First spaceflight
Flight Engineer Georgi Grechko
Second spaceflight
Oleg Makarov
Third spaceflight

Backup crew[edit]

Position Cosmonaut
Commander Vladimir Kovalyonok
Flight Engineer Aleksandr Ivanchenkov
The launching and landing crews had the same backups

Mission parameters[edit]

  • Mass: 6,800 kg (15,000 lb)
  • Perigee: 193 km (120 mi)
  • Apogee: 246 km (153 mi)
  • Inclination: 51.65°
  • Period: 88.67 minutes


  1. ^ "Baikonur LC1". Encyclopedia Astronautica. Archived from the original on 2009-04-15. Retrieved 2009-03-04.
  2. ^ Becker, Joachim. "Spaceflight mission report: Soyuz 26". Retrieved 10 August 2017.