Progress 31 () was a
Soviet
The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
uncrewed
Progress
Progress is the movement towards a refined, improved, or otherwise desired state. In the context of progressivism, it refers to the proposition that advancements in technology, science, and social organization have resulted, and by extension wi ...
cargo spacecraft, which was launched in August 1987 to resupply the
Mir
''Mir'' (russian: Мир, ; ) was a space station that operated in low Earth orbit from 1986 to 2001, operated by the Soviet Union and later by Russia. ''Mir'' was the first modular space station and was assembled in orbit from 1986 to&n ...
space station.
Launch
Progress 31 launched on 3 August 1987 from the
Baikonur Cosmodrome
The Baikonur Cosmodrome ( kk, Байқоңыр ғарыш айлағы, translit=Baiqoñyr ğaryş ailağy, ; russian: Космодром Байконур, translit=Kosmodrom Baykonur, ) is a spaceport in an area of southern Kazakhstan leased to R ...
in the
Kazakh SSR
; kk, Қазақ Советтік Социалистік Республикасы)
*1991: Republic of Kazakhstan (russian: Республика Казахстан; kk, Қазақстан Республикасы)
, linking_name = the ...
. It used a
Soyuz-U2
The Soyuz-U2 (GRAU index 11A511U2) was a Soviet Union, Soviet, later Russian, carrier rocket. It was derived from the Soyuz-U, and a member of the R-7 (rocket family), R-7 family of rockets. It featured increased performance compared with the b ...
rocket.
[ ]
Docking
Progress 31 docked with the aft port of the
Kvant-1
Kvant-1 (russian: Квант-1; English: Quantum-I/1) (37KE) was the first module to be attached in 1987 to the Mir Core Module, which formed the core of the Soviet space station ''Mir''. It remained attached to ''Mir'' until the entire space stati ...
module of Mir on 5 August 1987 at 22:27:35 UTC, and was undocked on 21 September 1987 at 23:57:41 UTC.
Decay
It remained in orbit until 23 September 1987, when it was deorbited. The deorbit burn occurred at 00:22:00 UTC and the mission ended at 01:02 UTC.
See also
*
1987 in spaceflight
*
List of Progress missions
This is a list of missions conducted by Progress automated spacecraft. Progress is an uncrewed Russian (previously Soviet) cargo spacecraft which has been used since 1978 to deliver supplies to Soviet space stations Salyut 6, Salyut 7, Mir, an ...
*
List of uncrewed spaceflights to Mir
This is a list of uncrewed spaceflights to Mir. Components of the space station are indicated in green.
*A. - Time from docking until debris impact in the Pacific Ocean at approximately 05:59 GMT on 23 March 2001.
*B. - From time of launch
*C. ...
References
Progress (spacecraft) missions
1987 in the Soviet Union
Spacecraft launched in 1987
Spacecraft which reentered in 1987
Spacecraft launched by Soyuz-U rockets
{{USSR-spacecraft-stub