Astronomy:SpaceX Crew-4

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Short description: 2022 American crewed spaceflight to the ISS
SpaceX Crew-4
SpaceX Crew-4 Launch (NHQ202204270012).jpg
Crew Dragon Freedom launches to the ISS with the crew members of Crew-4 onboard.
NamesUSCV-4
Mission typeISS crew transport
OperatorSpaceX
Mission duration6 months (planned)[1][2]
921 days (in progress)
Spacecraft properties
SpacecraftDragon
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 date27 April 2022, 07:52:55 UTC[3]
RocketFalcon 9 Block 5 (B1067.4)
Launch siteKennedy Space Center, LC-39A
ContractorSpaceX
End of mission
Landing dateOctober 2022 (planned)
Landing siteAtlantic Ocean / Gulf of Mexico
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Inclination51.60°
Docking with ISS
Docking portHarmony zenith
Docking date27 April 2022, 23:37 UTC
Undocking date12 October 2022 (planned)
Time docked920 days and 8 hours (in progress)
SpaceX Crew 4 logo.png
SpaceX Crew-4 mission patch
SpaceX Crew-4 Official Portrait.jpg
Hines, Cristoforetti, Watkins, and Lindgren (L-R) 
Falcon 9 Block 5 unit B1060.12 launching SpaceX's Starlink Group 4-14 on the eve of SpaceX Crew-4 (Falcon 9 Block 5 B1067.4 and Crew Dragon)'s launch from LC-39A (left), with NASA's SLS moon rocket and Orion spacecraft for Artemis 1 on the right on LC-39B awaiting a rollback to the VAB for maintenance before Wet Dress Rehearsal, as an Atlas V N22 rocket is being assembled for Boeing OFT-2 in the ULA's VIF.

SpaceX Crew-4 is the Crew Dragon's fourth NASA Commercial Crew operational flight, and its seventh overall crewed orbital flight. The mission launched on 27 April 2022 at 07:52 UTC[4] before docking with the International Space Station (ISS) at 23:37 UTC. It follows 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 are onboard the mission.[5][6] [7]

Crew-4 is 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".[8] 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).[9]

Crew

NASA astronauts Kjell Lindgren and Robert Hines were announced on 12 February 2021 to the crew.[5][6] Samantha Cristoforetti was named the commander of Expedition 68 on 28 May 2021.[10] Jessica Watkins was named Mission specialist on 16 November 2021.[11] Cristoforetti was later removed as commander of Expedition 68 due to the shortening of the Crew-4 mission.[12]

Prime crew
Position Astronaut
Spacecraft commander United States Kjell N. Lindgren, NASA
Expedition 67 / 68
Second spaceflight
Pilot United States Robert Hines, NASA
Expedition 67 / 68
First spaceflight
Mission Specialist 1 Italy Samantha Cristoforetti, ESA
Expedition 67 / 68
Second spaceflight
Mission Specialist 2 United States Jessica Watkins, NASA
Expedition 67 / 68
First spaceflight
Backup crew
Position Astronaut
Spacecraft commander United States Steve Bowen, NASA
Pilot United States Not assigned, NASA
Mission Specialist 1 Not assigned
Mission Specialist 2 Not assigned

[13]

Mission

The planned mission duration is around six months.[2] The European part of the mission is called Minerva,[14] named after the Roman goddess of wisdom,[15] and it is European astronaut Cristoforetti's second mission to the ISS.

NASA's SpaceX Crew-4 astronauts participate in a countdown dress rehearsal at Kennedy Space Center in Florida on 19 April 2022, to prepare for the Crew-4 launch on 27 April 2022.
SpaceX Crew-4 promotional poster
Both commercial Crew vehicles Crew Dragon and Starliner docked to ports on harmony module at the same time
Commercial Crew Program vehicles Starliner and Dragon

File:NASA’s SpaceX Crew-4 Live Launch Coverage.webm

See also

References

  1. ↑ Sheetz, Michael (27 April 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. ↑ 2.0 2.1 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. "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. ↑ Amanda Griffin (22 April 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/. 
  5. ↑ 5.0 5.1 Finch, Joshua (25 April 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.  This article incorporates text from this source, which is in the public domain.
  6. ↑ 6.0 6.1 Howell, Elizabeth (23 February 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. 
  7. ↑ Ellis, Kathleen (18 March 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/. 
  8. ↑ Klotz, Irene (6 October 2021). "Forum - Crew-4". NASASpaceFlight.com. p. 2. https://forum.nasaspaceflight.com/index.php?topic=52608.msg2311210#msg2311210. 
  9. ↑ @jeff_foust (19 Jan 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. 
  10. ↑ "Commanding role for ESA astronaut Samantha Cristoforetti". ESA. 28 May 2021. https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Commanding_role_for_ESA_astronaut_Samantha_Cristoforetti. 
  11. ↑ "NASA Assigns Astronaut Jessica Watkins to NASA's SpaceX Crew-4 Mission". NASA. 16 November 2021. https://www.nasa.gov/press-release/nasa-assigns-astronaut-jessica-watkins-to-nasa-s-spacex-crew-4-mission.  This article incorporates text from this source, which is in the public domain.
  12. ↑ "Revised flight plan brings change for Samantha". ESA. 2 March 2021. https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Revised_flight_plan_brings_change_for_Samantha. 
  13. ↑ "Stephen G. Bowen (Captain, USN, Ret.) NASA Astronaut". NASA. 26 April 2021. https://www.nasa.gov/astronauts/biographies/stephen-g-bowen/biography.  This article incorporates text from this source, which is in the public domain.
  14. ↑ "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. 
  15. ↑ European Space Agency (3 March 2022). "Minerva patch explained". 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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