How Can Soyuz Reach The Space Station In Only 3 Hours?

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United States Scott Manley
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This week Soyuz MS17 set a space station record by going from launch to docking with the International Space Station in only 3 hours and 3 minutes, half the time that Soyuz used to take, and much faster than the day long approaches used by US spacecraft.
For Soyuz is has much shorter on orbit endurance compared to US spacecraft and is much less spacious than the US equivalents, incentivizing fast rendezvous trajectories.

Some of the papers I referenced in this video if you want to read more:

https://www.researchgate.net/publication/340825070_Fast_rendezvous_profile_evolution_From_ISS_to_lunar_station
https://www.researchgate.net/publication/340949066_Two-Orbit_Rendezvous_Profile_of_Soyuz_Spacecraft_with_the_International_Space_Station
https://www.researchgate.net/publication/340949066_Two-Orbit_Rendezvous_Profile_of_Soyuz_Spacecraft_with_the_International_Space_Station



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