Progress 28

Progress 28 (Russian: Прогресс 28) was a Soviet uncrewed Progress cargo spacecraft, which was launched in March 1987 to resupply the Mir space station.

Progress 28

A Progress 7K-TG spacecraft
Mission type	Mir resupply
COSPAR ID	1987-023A
SATCAT no.	17564[1]
Spacecraft properties
Spacecraft	Progress (No.137)
Spacecraft type	Progress 7K-TG[2]
Manufacturer	NPO Energia
Start of mission
Launch date	3 March 1987, 11:14:05 UTC[1]
Rocket	Soyuz-U2[2]
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	28 March 1987, 03:01:01 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	185 km[3]
Apogee altitude	254 km[3]
Inclination	51.6°[3]
Period	88.9 minutes[3]
Epoch	3 March 1987
Docking with Mir
Docking port	Mir Core Module aft[3]
Docking date	5 March 1987, 12:42:36 UTC
Undocking date	26 March 1987, 05:06:48 UTC
Progress (spacecraft) ← Progress 27 Progress 29 →

Launch

Progress 28 launched on 3 March 1987 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.^[2][4]

Docking

Progress 28 docked with the aft port of the Mir Core Module on 5 March 1987 at 12:42:36 UTC, and was undocked on 26 March 1987 at 05:06:48 UTC.^[3][5]

Decay

It remained in orbit until 28 March 1987, when it was deorbited. The deorbit burn occurred at 03:01:01 UTC and the mission ended at 03:49 UTC.^[3][5]

See also

• Spaceflight portal

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