| Progress 40 | |
| Mission Type: | Mir resupply |
| Cospar Id: | 1989-008A |
| Satcat: | 19783[1] |
| Spacecraft: | Progress (No.148) |
| Spacecraft Type: | Progress 7K-TG[2] |
| Manufacturer: | NPO Energia |
| Launch Date: | 10 February 1989, 08:53:52 UTC |
| Launch Rocket: | Soyuz-U2 |
| Launch Site: | Baikonur, Site 1/5 |
| Docking: | |
| Disposal Type: | Deorbited |
| Decay Date: | 5 March 1989, 01:08 UTC |
| Orbit Epoch: | 10 February 1989 |
| Orbit Reference: | Geocentric |
| Orbit Regime: | Low Earth |
| Orbit Periapsis: | 187 km |
| Orbit Apoapsis: | 244 km |
| Orbit Inclination: | 51.6° |
| Orbit Period: | 88.8 minutes |
| Apsis: | gee |
| Programme: | Progress (spacecraft) |
| Previous Mission: | Progress 39 |
| Next Mission: | Progress 41 |
Progress 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 launched on 10 February 1989 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.[4]
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.[5]
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.