| Progress 42 | |
| Mission Type: | Mir resupply |
| Cospar Id: | 1990-041A |
| Satcat: | 20602[1] |
| Spacecraft: | Progress (No.150) |
| Spacecraft Type: | Progress 7K-TG[2] |
| Manufacturer: | NPO Energia |
| Launch Date: | 5 May 1990, 20:44:01 UTC |
| Launch Rocket: | Soyuz-U2 |
| Launch Site: | Baikonur, Site 1/5 |
| Docking: | |
| Disposal Type: | Deorbited |
| Decay Date: | 27 May 1990, 11:40:00 UTC |
| Orbit Epoch: | 5 May 1990 |
| Orbit Reference: | Geocentric |
| Orbit Regime: | Low Earth |
| Orbit Periapsis: | 188 km |
| Orbit Apoapsis: | 243 km |
| Orbit Inclination: | 51.6° |
| Orbit Period: | 88.8 minutes |
| Apsis: | gee |
| Programme: | Progress (spacecraft) |
| Previous Mission: | Progress M-3 |
| Next Mission: | Progress M-4 |
Progress 42 was a Soviet unmanned Progress cargo spacecraft, which was launched in May 1990 to resupply the Mir space station.
Progress 42 launched on 5 May 1990 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.[4]
Progress 42 docked with the aft port of the Kvant-1 module of Mir on 7 May 1990 at 22:45:03 UTC, and was undocked on 27 May 1990 at 07:08:58 UTC.[5]
It remained in orbit until 27 May 1990, when it was deorbited. The deorbit burn occurred at 11:40:00 UTC and the mission ended at 12:27:30 UTC.