Progress 40

Progress 40 (Russian: Прогресс 40) was a Soviet unmanned Progress cargo spacecraft, which was launched in February 1989 to resupply the Mir EO-4 expedition aboard the Mir space station.

Progress 40

A Progress 7K-TG spacecraft
Mission type	Mir resupply
COSPAR ID	1989-008A
SATCAT no.	19783[1]
Spacecraft properties
Spacecraft	Progress (No.148)
Spacecraft type	Progress 7K-TG[2]
Manufacturer	NPO Energia
Start of mission
Launch date	10 February 1989, 08:53:52 UTC[1]
Rocket	Soyuz-U2[2]
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	5 March 1989, 01:08 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	187 km[3]
Apogee altitude	244 km[3]
Inclination	51.6°[3]
Period	88.8 minutes[3]
Epoch	10 February 1989
Docking with Mir
Docking port	Kvant-1 aft[3]
Docking date	12 February 1989, 10:29:38 UTC
Undocking date	3 March 1989, 01:45:52 UTC
Progress (spacecraft) ← Progress 39 Progress 41 →

Launch

Progress 40 launched on 10 February 1989 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.^[2][4]

Docking

Progress 40 docked with the aft port of the Kvant-1 module of Mir on 12 February 1989 at 10:29:38 UTC, and was undocked on 3 March 1989 at 01:45:52 UTC.^[3][5]

Decay

It remained in orbit until 5 March 1989, when it was deorbited. The deorbit burn occurred at 01:08 UTC and the mission ended at 01:59 UTC.^[3][5]

See also

• Spaceflight portal

• 1989 in spaceflight
• List of Progress missions
• List of uncrewed spaceflights to Mir