| 词条 | Kosmos 1669 |
| 释义 |
| name = Kosmos 1669 | image = | image_caption = | mission_type = Salyut 7 resupply | operator = | COSPAR_ID = 1985-062A | SATCAT = | mission_duration = | spacecraft_type = Progress 7K-TG | manufacturer = NPO Energia | dry_mass = | launch_mass = | launch_date = {{start-date|19 July 1985, 13:05|timezone=yes}} UTC | launch_rocket = Soyuz-U | launch_site = Baikonur 1/5 | disposal_type = Deorbited | decay_date = {{end-date|30 August 1985, 01:20|timezone=yes}} UTC | orbit_epoch = | orbit_reference = Geocentric | orbit_regime = Low Earth | orbit_periapsis = {{convert|354|km}} | orbit_apoapsis = {{convert|358|km}} | orbit_inclination = 51.6 degrees | orbit_period = | apsis = gee | docking = | docking_target = Salyut 7 | docking_type = dock | docking_port = Aft | docking_date = 21 July 1985, 15:05 UTC | undocking_date = 28 August 1985 | time_docked = 1 month | docking_target = Salyut 7 | docking_type = dock | docking_port = Aft | docking_date = 28 August 1985 | undocking_date = 28 August 1985, 21:50 UTC | time_docked = | cargo_mass = | cargo_mass_press = | cargo_mass_fuel = | cargo_mass_gas = | cargo_mass_water = }} Kosmos-1669 ({{lang-ru|Космос-1669}} meaning Cosmos 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. Kosmos-1669 was launched by a Soyuz-U carrier rocket from Site 1/5 at the Baikonur Cosmodrome, at 13:05 UTC on 19 July 1985. The spacecraft docked with the aft port of Salyut 7 at 15:05 UTC on 21 July. Following undocking on 28 August, it moved away from the station, before returning and redocking to test the reliability of the docking system.[1] It undocked for a second time at 21:50 UTC,[2] and was deorbited on 30 August, with the spacecraft burning up over the Pacific Ocean at 01:20 UTC. Kosmos-1669 was the second cargo spacecraft (after Progress 24) to visit Salyut 7 after its reactivation, and also the last Progress flight as part of the Salyut programme. It delivered new spacesuits, to replace ones damaged by cold temperatures whilst Salyut 7 was deactivated,[3] as well as replacement parts and consumables. This Progress mission was followed by one last cargo mission to Salyut 7, but carried out by an TKS spacecraft: TKS-4, which would become the fourth and last flight of an TKS craft. The next following mission of a Progress cargo craft, Progress 25, flew to Mir.[1] As of 2009, Kosmos-1669 is the only Progress spacecraft to have received a Kosmos designation, which are usually reserved for military, experimental and failed spacecraft. It has been reported that this may have been an error due to confusion with a TKS spacecraft which later became Kosmos 1686,[4] or that the spacecraft may have gone out of control shortly after launch, but then been recovered after the Kosmos designation had been applied.[1] Alternatively, it could have been given the designation as it was used to test modifications that would be used on future Progress missions.[3] Some news agencies reported that it was a free-flying Progress-derived spacecraft,[3] or that it was a new type of spacecraft derived from the Progress.[5] See also{{Portal|Spaceflight}}
References1. ^1 2 {{cite web|url=http://www.astronautix.com/craft/progress.htm|title=Progress|first=Mark|last=Wade|publisher=Encyclopedia Astronautica|accessdate=2009-04-11}} {{Progress spacecraft}}{{Orbital launches in 1985}}2. ^{{cite web|url=http://www.zarya.info/Diaries/StationsDOS/Salyut7Ex3.php|title=Third Expedition to Salyut 7 - 1984|last=Christy|first=Robert|publisher=Zarya|accessdate=2009-04-11}} 3. ^1 2 {{cite web|url=http://spaceflight.nasa.gov/history/shuttle-mir/references/r-documents-mirhh.htm|title=Mir Hardware Heritage|last=Portree|first=David S. F|date=March 1995|publisher=NASA|accessdate=2009-04-11}} 4. ^{{cite web|url=http://www.zarya.info/Diaries/StationsDOS/Salyut7Ex4.php|title=Fourth Expedition to Salyut 7 - 1985|last=Christy|first=Robert|publisher=Zarya|accessdate=2009-04-11}} 5. ^{{cite web|url=https://www.nytimes.com/1985/07/23/science/new-soviet-craft-docks-with-salyut.html?n=Top/News/Science/Topics/Space%20Stations|title=New Soviet Craft Docks With Salyut|date=1985-07-23|publisher=New York Times|accessdate=2009-04-11}} 5 : Progress (spacecraft) missions|1985 in the Soviet Union|1985 in spaceflight|Kosmos satellites|Spacecraft launched in 1985 |
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