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Progress 25 (Russian: Прогресс 25) was a Soviet uncrewed Progress cargo spacecraft, which was launched in March 1986 to resupply the Mir space station.

Progress 25

A Progress 7K-TG spacecraft
Mission type	Mir resupply
COSPAR ID	1986-023A
SATCAT no.	16645[1]
Spacecraft properties
Spacecraft	Progress (No.134)
Spacecraft type	Progress 7K-TG[2]
Manufacturer	NPO Energia
Start of mission
Launch date	19 March 1986, 10:08:25 UTC[1]
Rocket	Soyuz-U2[2]
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	21 April 1986, 00:00 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	183 km[3]
Apogee altitude	251 km[3]
Inclination	51.7°[3]
Period	88.8 minutes[3]
Epoch	19 March 1986
Docking with Mir
Docking port	Mir Core Module aft[3]
Docking date	21 March 1986, 11:16:02 UTC
Undocking date	20 April 1986, 19:24:08 UTC
Progress (spacecraft) ← Kosmos 1669 Progress 26 →

Launch

Progress 25 launched on 19 March 1986 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.[2][4]

Docking

Progress 25 docked with the aft port of the Mir Core Module on 21 March 1986 at 11:16:02 UTC, and was undocked on 20 April 1986 at 19:24:08 UTC.[3][5]

Decay

It remained in orbit until 21 April 1986, when it was deorbited. The deorbit burn occurred at 00:00 UTC and the mission ended at 00:48:30 UTC.[3][5]

See also

• 1986 in spaceflight
• List of Progress missions
• List of uncrewed spaceflights to Mir

References

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