Progress 29

Progress 29 (Russian: Прогресс 29) was a Soviet uncrewed Progress cargo spacecraft, which was launched in April 1987 to resupply the Mir space station.

Progress 29

A Progress 7K-TG spacecraft
Mission type	Mir resupply
COSPAR ID	1987-034A
SATCAT no.	17878[1]
Spacecraft properties
Spacecraft	Progress (No.127)
Spacecraft type	Progress 7K-TG[2]
Manufacturer	NPO Energia
Start of mission
Launch date	21 April 1987, 15:14:17 UTC[1]
Rocket	Soyuz-U2[2]
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	11 May 1987, 07:51:16 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	189 km[3]
Apogee altitude	237 km[3]
Inclination	51.6°[3]
Period	88.8 minutes[3]
Epoch	21 April 1987
Docking with Mir
Docking port	Kvant-1 aft[3]
Docking date	21 April 1987, 15:14:17 UTC
Undocking date	11 May 1987, 03:10:01 UTC
Progress (spacecraft) ← Progress 28 Progress 30 →

Launch

Progress 29 launched on 21 April 1987 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.^[2][4]

Docking

Progress 29 docked with the aft port of the Kvant-1 module of Mir on 21 April 1987 at 15:14:17 UTC, and was undocked on 11 May 1987 at 03:10:01 UTC.^[3][5]

Decay

It remained in orbit until 11 May 1987, when it was deorbited. The deorbit burn occurred at 07:51:16 UTC and the mission ended at 08:28 UTC.^[3][5]

See also

• Spaceflight portal

• 1987 in spaceflight
• List of Progress missions
• List of uncrewed spaceflights to Mir