Progress 27

Progress 27

A Progress 7K-TG spacecraft
Mission type	Mir resupply
COSPAR ID	1987-005A
SATCAT no.	17299[1]
Spacecraft properties
Spacecraft	Progress (No.135)
Spacecraft type	Progress 7K-TG[2]
Manufacturer	NPO Energia
Start of mission
Launch date	16 January 1987, 06:06:23 UTC[1]
Rocket	Soyuz-U2[2]
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	25 February 1987, 15:16:45 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	183 km[3]
Apogee altitude	263 km[3]
Inclination	51.6°[3]
Period	89.0 minutes[3]
Epoch	16 January 1987
Docking with Mir
Docking port	Mir Core Module aft[3]
Docking date	18 January 1987, 07:26:50 UTC
Undocking date	23 February 1987, 11:29:01 UTC
Progress (spacecraft)

Progress 27 (Russian: Прогресс 27) was a Soviet uncrewed Progress cargo spacecraft, which was launched in January 1987 to resupply the Mir space station.

Launch

Progress 27 launched on 16 January 1987 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.^[2][4]

Docking

Progress 27 docked with the aft port of the Mir Core Module on 18 January 1987 at 07:26:50 UTC, and was undocked on 23 February 1987 at 11:29:01 UTC.^[3][5]

Decay

It remained in orbit until 25 February 1987, when it was deorbited. The deorbit burn occurred at 15:16:45 UTC and the mission ended at 16:05 UTC.^[3][5]

See also

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

References

1. "Launchlog". Jonathan's Space Report. Retrieved 5 December 2020.
2. "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 5 December 2020.
3. "Cargo spacecraft "Progress 27"". Manned Astronautics figures and facts. Archived from the original on 9 October 2007.
4. "Progress 27". NASA. Retrieved 5 December 2020. This article incorporates text from this source, which is in the public domain.
5. "Mir". Astronautix. Archived from the original on 20 August 2016. Retrieved 5 December 2020.