| Progress 34 | |
| Mission Type: | Mir resupply |
| Cospar Id: | 1988-003A |
| Satcat: | 18795[1] |
| Spacecraft: | Progress (No.142) |
| Spacecraft Type: | Progress 7K-TG[2] |
| Manufacturer: | NPO Energia |
| Launch Date: | 20 January 1988, 22:51:54 UTC |
| Launch Rocket: | Soyuz-U2 |
| Launch Site: | Baikonur, Site 1/5 |
| Docking: | |
| Disposal Type: | Deorbited |
| Decay Date: | 4 March 1988, 06:45:00 UTC |
| Orbit Epoch: | 20 January 1988 |
| Orbit Reference: | Geocentric |
| Orbit Regime: | Low Earth |
| Orbit Periapsis: | 329 km |
| Orbit Apoapsis: | 347 km |
| Orbit Inclination: | 51.6° |
| Orbit Period: | 91.3 minutes |
| Apsis: | gee |
| Programme: | Progress (spacecraft) |
| Previous Mission: | Progress 33 |
| Next Mission: | Progress 35 |
Progress 34 was a Soviet uncrewed Progress cargo spacecraft, which was launched in January 1988 to resupply the Mir space station.
Progress 34 launched on 20 January 1988 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.[4]
Progress 34 docked with the aft port of the Kvant-1 module of Mir on 23 January 1988 at 00:09:09 UTC, and was undocked on 4 March 1988 at 03:40:09 UTC.[5]
It remained in orbit until 4 March 1988, when it was deorbited. The deorbit burn occurred at 06:45:00 UTC and the mission ended at 07:29:30 UTC.