Soyuz 18
Crewed flight of the Soyuz programme / From Wikipedia, the free encyclopedia
This article is about a 1975 spaceflight. For the previous aborted attempt, see Soyuz 18a. For the mission identified by NASA as ISS Soyuz 18, see Soyuz TMA-14.
Soyuz 18 (Russian: Союз 18, Union 18) was a 1975 Soviet crewed mission to Salyut 4, the second and final crew to man the space station. Pyotr Klimuk and Vitaly Sevastyanov set a new Soviet space endurance record of 63 days and the mark for most people in space simultaneously (seven) was tied during the mission.
Quick Facts Mission type, Operator ...
Mission type | Docking with Salyut 4 |
---|---|
Operator | Soviet space program |
COSPAR ID | 1975-044A |
SATCAT no. | 07818 |
Mission duration | 62 days 23 hours 20 minutes 8 seconds |
Orbits completed | 993 |
Spacecraft properties | |
Spacecraft | Soyuz 7K-T No.7 |
Spacecraft type | Soyuz 7K-T |
Manufacturer | NPO Energia |
Launch mass | 6570 kg[1] |
Landing mass | 1200 kg |
Crew | |
Crew size | 2 |
Members | Pyotr Klimuk Vitaly Sevastyanov |
Callsign | Кавказ (Kavkaz - "Caucasus") |
Start of mission | |
Launch date | 24 May 1975, 14:58:10 UTC |
Rocket | Soyuz-U |
Launch site | Baikonur, Site 1/5[2] |
End of mission | |
Landing date | 26 July 1975, 14:18:18 UTC |
Landing site | 56 km at the east of Arkalyk, Kazakhstan 51°N 68°E |
Orbital parameters | |
Reference system | Geocentric orbit[3] |
Regime | Low Earth orbit |
Perigee altitude | 193.0 km |
Apogee altitude | 247.0 km |
Inclination | 51.6° |
Period | 88.6 minutes |
Docking with Salyut 4 | |
Docking date | 26 May 1975 |
Undocking date | 26 July 1975 |
Time docked | 61 days |
Vimpel Diamond patch |
Close