Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Soyuz U | Soyuz 25
Countdown
No countdown — this launch time is not yet known to the minute.October 9, 1977 · 02:40 UTCAdd to calendar
Soviet Space Program's 1,162nd launch · 82nd this year · humanity's 2,019th orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: Oct 9, 02:40 – Oct 9, 02:40 UTC
Flight preview
Soyuz 25
Soyuz 25 was meant to be the first crewed flight to the new Salyut 6 space station. The mission began on October 9, 1977, 02:40:35 UTC, launching Commander Vladimir Kovalyonok and Flight Engineer Valery Rumin into orbit. However, they failed to dock with the station despite five attempts, and had to abort the mission. The mission concluded with a safe landing back on Earth on October 11, 1977, 03:25:20 UTC.
Human Exploration · Low Earth Orbit (LEO)
Crew
Vladimir KovalyonokCommander · RFSA
Valery RyuminFlight Engineer · RFSA
Booster
No booster details available.
Watch
- Soyuz 25. Baikonur cosmodrome. Launch — DTA RED
Pad — 1/5
Local pad time: Oct 9, 7:40 AM GMT+5
487 launches from this pad · 1,564 from Baikonur Cosmodrome, Republic of Kazakhstan
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