Astronomy:SpaceX Crew-4

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SpaceX Crew-4
Freedom launches to the ISS with the crew members of Crew-4 onboard.
NamesUSCV-4
Mission typeISS crew transport
OperatorSpaceX
Mission duration170 days, 13 hours, 2 minutes, 32 seconds[1][2]
Spacecraft properties
SpacecraftCrew Dragon
Spacecraft typeCrew Dragon
ManufacturerSpaceX
Launch mass12,519 kg (27,600 lb)
Landing mass9,616 kg (21,200 lb)
Crew
Crew size4
Members
ExpeditionExpedition 67/68
Start of mission
Launch dateApril 27, 2022, 07:52:55 (2022-04-27UTC07:52:55Z) UTC (3:52:55 am EDT)[3]
RocketFalcon 9 Block 5 B1067-4
Launch siteKennedy, LC‑39A
End of mission
Recovered by missing name
Landing dateOctober 14, 2022, 20:55:27 (2022-10-14UTC20:55:28Z) UTC (4:55:27 pm EDT)
Landing siteAtlantic Ocean, near Jacksonville, Florida[4]
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Inclination51.64°
Docking with ISS
Docking portHarmony zenith
Docking dateApril 27, 2022, 23:37 UTC
Undocking dateOctober 14, 2022, 16:05 UTC[5]
Time docked169 days, 16 hours, 28 minutes

NASA (left), SpaceX (middle), and ESA (right) mission patches

From left: Hines, Cristoforetti, Watkins and Lindgren 

SpaceX Crew-4 was the Crew Dragon's fourth NASA Commercial Crew operational flight, and its seventh overall crewed orbital flight. The mission launched on April 27, 2022, at 07:52 UTC[6] before docking with the International Space Station (ISS) at 23:37 UTC. It followed shortly after the private Axiom 1 mission to the ISS earlier in the month utilizing SpaceX hardware. Three American (NASA) astronauts and one European (ESA) astronaut were on board the mission.[7][8][9]

Crew-4 was the maiden flight of the Crew Dragon spacecraft named Freedom, named such by the crew because it "celebrates a fundamental human right, and the industry and innovation that emanate from the unencumbered human spirit".[10] The booster used on this mission was the B1067, which makes it the first Commercial Crew mission to use a booster on its fourth flight (it previously was used to launch SpaceX Crew-3 in 2021).[11]

Crew

NASA astronauts Kjell Lindgren and Robert Hines were announced on February 12, 2021, to the crew.[7][8] Samantha Cristoforetti was named the commander of Expedition 68 on May 28, 2021.[12] Jessica Watkins was named mission specialist on November 16, 2021.[13] Cristoforetti was later removed as commander of Expedition 68 due to the shortening of the Crew-4 mission.[14]

Prime crew
Position Astronaut
Commander Kjell N. Lindgren, NASA
Expedition 67/68
Second spaceflight
Pilot Robert Hines, NASA
Expedition 67/68
First spaceflight
Mission specialist Samantha Cristoforetti, ESA
Expedition 67/68
Second spaceflight
Mission specialist Jessica Watkins, NASA
Expedition 67/68
First spaceflight
Backup crew
Position[15] Astronaut
Commander Steve Bowen, NASA

Mission

The mission duration was 170 days.[4] The European part of the mission was called Minerva,[16] named after the Roman goddess of wisdom,[17] and it was European astronaut Cristoforetti's second mission to the ISS.

SpaceX Crew-4
  • Crew-4 astronauts before flight
    Crew-4 astronauts before flight
  • ISS configuration during Crew-4
    ISS configuration during Crew-4
  • Crew-4 and Starliner OFT-2 docked to the ISS
    Crew-4 and Starliner OFT-2 docked to the ISS
  • Freedom after reentry and splashdown
    Freedom after reentry and splashdown

See also

References

  1. ↑ Sheetz, Michael (April 27, 2022). "SpaceX launches Crew-4 mission for NASA, has now sent 26 astronauts to space in under two years". CNBC. https://www.cnbc.com/2022/04/27/elon-musks-spacex-launches-nasa-crew-4-astronaut-mission.html. 
  2. ↑ NASA (2022). "Crew-4 Mission Overview". p. 1. https://www.nasa.gov/sites/default/files/atoms/files/crew-4_mission_overview.pdf. "Crew-4 is scheduled for a long duration stay of up to six months aboard station conducting science and maintenance before returning to Earth in the fall of 2022." 
  3. ↑ Garcia, Mark (April 27, 2022). "SpaceX Crew-4 Launches to Join Station Crew Tonight". https://blogs.nasa.gov/spacestation/2022/04/27/spacex-crew-4-launches-to-join-station-crew-tonight/. 
  4. ↑ 4.0 4.1 Garcia, Mark (October 14, 2022). "SpaceX Crew-4 Returns with Splashdown on Florida's Atlantic Coast". https://blogs.nasa.gov/crew-4/2022/10/14/spacex-crew-4-returns-with-splashdown-on-floridas-atlantic-coast/. 
  5. ↑ Wall, Mike (October 14, 2022). "SpaceX's Crew-4 mission leaves space station and heads for home". https://www.space.com/spacex-crew-4-mission-departs-space-station. "Crew-4's Dragon capsule, named Freedom, undocked from the International Space Station (ISS) on Friday (Oct. 14) at 12:05 p.m. EDT (1605 GMT)" 
  6. ↑ Griffin, Amanda (April 22, 2022). "NASA and SpaceX Adjust Agency's Crew-4 Launch Date". NASA. https://blogs.nasa.gov/commercialcrew/2022/04/22/nasa-and-spacex-adjust-agencys-crew-4-launch-date/. 
  7. ↑ 7.0 7.1 Finch, Joshua (April 25, 2022). "Coverage Updated for NASA's SpaceX Crew-4 Briefing, Events, Broadcast". NASA. https://www.nasa.gov/press-release/coverage-updated-for-nasa-s-spacex-crew-4-briefing-events-broadcast.  Public Domain This article incorporates text from this source, which is in the public domain.
  8. ↑ 8.0 8.1 Howell, Elizabeth (February 23, 2021). "These 2 NASA astronauts will fly on SpaceX's Crew-4 mission to the International Space Station in 2022". Space.com. https://www.space.com/spacex-crew-4-astronaut-assignments. 
  9. ↑ Ellis, Kathleen (March 18, 2022). "NASA, SpaceX Adjust Target Launch Date for Crew-4 Mission". NASA. https://blogs.nasa.gov/commercialcrew/2022/03/18/nasa-spacex-adjust-target-launch-date-for-crew-4-mission/. 
  10. ↑ Klotz, Irene (October 6, 2021). "Forum - Crew-4". NASASpaceFlight.com. p. 2. https://forum.nasaspaceflight.com/index.php?topic=52608.msg2311210#msg2311210. 
  11. ↑ @jeff_foust (January 19, 2022). "Steve Stich says the Crew-4 flight will be the first commercial crew mission using a booster on its fourth flight.". https://twitter.com/jeff_foust/status/1483820173933137932. 
  12. ↑ "Commanding role for ESA astronaut Samantha Cristoforetti". ESA. May 28, 2021. https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Commanding_role_for_ESA_astronaut_Samantha_Cristoforetti. 
  13. ↑ "NASA Assigns Astronaut Jessica Watkins to NASA's SpaceX Crew-4 Mission". NASA. November 16, 2021. https://www.nasa.gov/press-release/nasa-assigns-astronaut-jessica-watkins-to-nasa-s-spacex-crew-4-mission.  Public Domain This article incorporates text from this source, which is in the public domain.
  14. ↑ "Revised flight plan brings change for Samantha". ESA. March 2, 2021. https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Revised_flight_plan_brings_change_for_Samantha. 
  15. ↑ "Stephen G. Bowen (Captain, USN, Ret.) NASA Astronaut". NASA. April 26, 2021. https://www.nasa.gov/astronauts/biographies/stephen-g-bowen/biography.  Public Domain This article incorporates text from this source, which is in the public domain.
  16. ↑ "Minerva: ESA astronaut Samantha Cristoforetti's second mission to the International Space Station". ESA. https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Minerva. 
  17. ↑ "Minerva patch explained". March 3, 2022. https://www.esa.int/ESA_Multimedia/Images/2022/03/Minerva_patch_explained. "Inspired by the Roman goddess of wisdom, the handicrafts and the arts, the name Minerva is a homage to the competence and sophisticated craftmanship of the men and women all over the world who make human spaceflight possible." 



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