Progress MS-13
Progress MS-13 (Russian: Прогресс МC-13), Russian production No. 443, identified by NASA as Progress 74P, was a Progress spaceflight operated by Roscosmos to resupply the International Space Station.[2] This was the 165th flight of a Progress spacecraft. HistoryThe Progress-MS is an uncrewed freighter based on the Progress-M featuring improved avionics. This improved variant first launched on 21 December 2015. It has the following improvements:[3][4][5]
Pre-launchIn 2014, the launch was originally scheduled for 16 October 2018, but in September 2019, it was rescheduled to 20 December 2019. This was then moved ahead to 6 December 2019.[2] LaunchProgress MS-13 was launched on 6 December 2019 at 09:34:11 UTC from Baikonur Cosmodrome, from the Site 31/6.[6] DockingTo avoid docking with the ISS at the same time as SpaceX CRS-19, Progress MS-13 followed a slow three-day rendezvous trajectory rather than the fast-track three hour trajectory used on Progress MS-12. Progress MS-13 docked with the Pirs module at 10:38 UTC on 9 December 2019.[7] CargoThe Progress MS-13 spacecraft delivered 2480 kg of cargo, with 1350 kg being pressurized and 1130 kg being unpressurized. The following is a breakdown of cargo bound for the ISS:[2]
MissionOn 3 July 2020 at 15:53 UTC, Progress MS-13 fired its engines to raise the International Space Station orbit 1 km for debris collision avoidance (COLA). This was the first COLA burn for International Space Station since 2015. The debris object 27923 (1987-079AG) was predicted to pass within 1 km of the station at 18:28 UTC on 3 July 2020 over the South Atlantic. The object was one of 42 cataloged from the 1996 breakup of a motor from Proton launcher in September 1987 that put three Glonass satellites in orbit.[8] Undocking and decayAccording to Roskosmos, the vehicle undocked from the International Space Station on 8 July 2020, at 18:22 UTC. The Russian mission control commanded Progress MS-13 to fire its propulsion system on 8 July 2020, at 21:31 UTC. The maneuver resulted in the reentry of the spacecraft over a region of the Pacific Ocean at 22:05 on 8 July 2020. Eight minutes later, any surviving debris of the spacecraft were projected to hit the surface of the ocean, around 1800 km east of New Zealand.[2] The departure of Progress MS-13 freed the docking port Pirs for the arrival of the fresh Progress MS-15 cargo ship;[2] Progress MS-15 launched from Baikonur Cosmodrome on 23 July 2020.[citation needed] See alsoReferences
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