Back Kosmos 1669 Catalan Koszmosz–1669 Hungarian コスモス1669号 Japanese Космос-1669 Macedonian Космос-1669 Russian Kosmos-1669 Serbo-Croatian Космос-1669 Serbian Kosmos 1669 Swedish
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| Mission type | Salyut 7 resupply |
|---|---|
| Operator | OKB-1 |
| COSPAR ID | 1985-062A |
| SATCAT no. | 15918 |
| Mission duration | 41 days, 12 hours and 15 minutes |
| Spacecraft properties | |
| Spacecraft | Progress s/n 126 |
| Spacecraft type | Progress 7K-TG |
| Manufacturer | NPO Energia |
| Launch mass | 7280 kg |
| Dry mass | 7020 kg |
| Payload mass | 2500 kg |
| Dimensions | 7.48 m in length and 2.72 m in diameter |
| Start of mission | |
| Launch date | 19 July 1985, 13:05 UTC |
| Rocket | Soyuz-U s/n B15000-446 |
| Launch site | Baikonur 1/5 |
| Contractor | OKB-1 |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 30 August 1985, 01:20 UTC |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 298 km |
| Apogee altitude | 358 km |
| Inclination | 51.66° |
| Period | 91.0 minutes |
| Epoch | 19 July 1985 |
| Docking with Salyut 7 | |
| Docking port | Aft |
| Docking date | 21 July 1985, 15:05 UTC |
| Undocking date | 28 August 1985, 21:50 UTC |
| Time docked | 38 days, 6 hours and 45 minutes |
| Cargo | |
| Mass | 2500 kg |
Kosmos 1669 (Russian: Космос-1669) was a Progress spacecraft used to resupply the Salyut 7 space station. It was a Progress 7K-TG spacecraft with the serial number 126.
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