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Crew Dragon Demo-1

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This article is about the 2019 uncrewed test flight of the Dragon 2 capsule. For the 2010 test flight of the original Dragon capsule, see SpaceX COTS Demo Flight 1.

SpX-DM1 (SpaceX Demonstration Mission 1) is the first orbital test of the Dragon 2. This first spaceflight is an uncrewed mission. It was launched on March 2, 2019[6][7] at 2:49 AM EST and arrived at the International Space Station on March 3, a little over 24 hours after the launch.

SpX-DM1
Launch of SpX-DM1 at LC-39A on March 2, 2019.
Mission typeTest flight
OperatorNASA, SpaceX
COSPAR ID2019-011A Edit this at Wikidata
SATCAT no.44063Edit this on Wikidata
Spacecraft properties
Spacecraft typeDragon 2
ManufacturerSpaceX
Dry mass6,350 kg (14,000 lb)[1]
Start of mission
Launch date2 March 2019 07:49:03 (UTC)
RocketFalcon 9 Block 5
Launch siteKennedy LC-39A
End of mission
Landing date8 March 2019 13:45 (UTC) [2]
Landing siteAtlantic Ocean [2]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Inclination51.6 degrees
Docking with ISS
Docking portHarmony forward [3]
Docking date3 March 2019 10:51 (UTC) [4] [2]
Undocking date8 March 2019 7:30 (UTC) [5] [2]
Time dockedFive days [2]

SpaceX insignia for the mission
SpX-DM2 →

Mission

The spacecraft tests the approach and automated docking procedures with the International Space Station (ISS), remain docked for five days, then conduct the full re-entry, splashdown and recovery steps to provide data requisite to subsequently qualify for flights transporting humans to the ISS. Life support systems are being monitored all along the test flight. The same capsule will be re-used later for an in-flight abort test.[8]

It was launched on a SpaceX Falcon 9 rocket contracted by NASA's commercial crew program. Initial plans had hoped to see CCDev2 flights as early as 2015.[9] DM1 was eventually slated for no earlier than December 2016, and then delayed several times throughout 2017.[10][11][12] The first exact date was published by NASA in November 2018 to be January 17, 2019,[13] but this got pushed into February.[14] The static fire took place on January 24, 2019 and the launch date was set to February 23, 2019.[15] By the end of January, the launch was delayed to NET March 2, 2019 according to a FCC filing by SpaceX for Dragon 2 capsule telemetry, tracking, and command.[6]

DM-1 passed its Flight Readiness Review and Launch Readiness Review on February 22, 2019 and February 27, 2019 respectively.[16]

The Falcon 9 with DM-1 rolled out to the LC-39A on February 28 at around 15:00 UTC and went vertical a few hours later.[17] The spacecraft was launched on March 2, 2019 at 07:49 UTC and successfully docked to the ISS on March 3, 2019 at 10:51 UTC.[18][19]

Payload

Instead of carrying astronauts to the ISS, this flight has a test dummy wearing SpaceX's custom flight suit. The dummy, formally known as an Anthropomorphic Test Device (ATD), is named Ripley after Sigourney Weaver's character in the Alien movies franchise. The capsule is also carrying more than 400 pounds of supplies and equipment and is weighted similarly to missions with astronauts onboard.[20][21][22][3]

  •  
    The Dragon 2 capsule at SpaceX's LC-39A Horizontal Integration Facility.
  •  
    The Dragon 2 capsule mounted aboard the Falcon 9, on the launchpad, with the gangway arm extended from the launch tower to the capsule.

See also

References

  1. ^ "Environmental assessment of Dragonfly vehicle 2014" (PDF). FAA.
  2. ^ a b c d e "Commercial Crew Program American Rockets American Spacecraft American Soil" (PDF). Nasa.gov. NASA. Retrieved 28 February 2019.
  3. ^ a b "NASA, SpaceX Launch First Flight Test of Space System Designed for Crew". Nasa.gov. NASA. Retrieved 2 March 2019.
  4. ^ Harwood, William. "NASA, SpaceX clear Crew Dragon for critical March 2 test flight". CBS News. CBS Interactive Inc. Retrieved 23 February 2019.
  5. ^ Grush, Loren. "NASA gives SpaceX the okay to launch new passenger spacecraft on uncrewed test flight". The Verge. Vox Media. Retrieved 23 February 2019.
  6. ^ a b "Space Exploration Technologies Corp. WF9XGI 0068-EX-ST-2019 FCC Experimental License". fcc.report. Retrieved 2019-02-05.
  7. ^ "February 6, 2019 – Commercial Crew Program". blogs.nasa.gov. Retrieved 2019-02-06.
  8. ^ Foust, Jeff (February 4, 2016). "SpaceX seeks to accelerate Falcon 9 production and launch rates this year". SpaceNews. Retrieved March 21, 2016. Shotwell said the company is planning an in-flight abort test of the Crew Dragon spacecraft before the end of this year, where the vehicle uses its thrusters to separate from a Falcon 9 rocket during ascent. That will be followed in 2017 by two demonstration flights to the International Space Station, the first without a crew and the second with astronauts on board, and then the first operational mission.
  9. ^ Richardson, Derek (5 January 2019). "Falcon 9 with Crew Dragon vertical at Launch Complex 39A". SpaceFlight Insider. Retrieved 3 March 2019.
  10. ^ "First SpaceX commercial crew test flight could slip to 2019". SpaceNews.com. 2018-10-03. Retrieved 2018-12-08.
  11. ^ "SpaceX delays commercial crew test flights to latter half of 2018". SpaceNews.com. 2018-01-11. Retrieved 2018-12-08.
  12. ^ "Report warns of additional commercial crew delays". SpaceNews.com. 2016-09-06. Retrieved 2018-12-08.
  13. ^ "NASA Invites Media to SpaceX Demo-1 Launch" (Press release). NASA. 21 November 2018. Retrieved 3 March 2019.
  14. ^ "SpaceX Demo-1 Launch Update". NASA Commercial Crew Program Blog. January 10, 2019. Retrieved 11 January 2019.
  15. ^ Clark, Stephen. "Falcon 9 rocket fires engines in key test ahead of Crew Dragon demo flight – Spaceflight Now". Retrieved 2019-01-25.
  16. ^ Ralph, Eric (2019-02-28). "SpaceX's Crew Dragon and Falcon 9 head to Pad 39A for historic launch debut". TESLARATI.com. Retrieved 2019-02-28.
  17. ^ Clark, Stephen. "SpaceX's Crew Dragon rolls out for test flight – Spaceflight Now". Retrieved 2019-02-28.
  18. ^ "Crew Dragon successfully conducts debut docking with the ISS – NASASpaceFlight.com". Retrieved 2019-03-03.
  19. ^ "Demo-1 Underway: Crew Dragon Launches on Debut Flight – Commercial Crew Program". blogs.nasa.gov. Retrieved 2019-03-02.
  20. ^ Grush, Loren (2019-02-22). "NASA gives SpaceX the okay to launch new passenger spacecraft on uncrewed test flight". The Verge. Retrieved 2019-02-23.
  21. ^ Boyle, Alan. "NASA, SpaceX and a test dummy are ready for Dragon 2's first trip to space station". GeekWire. GeekWire, LLC. Retrieved 28 February 2019.
  22. ^ Bartels, Meghan. "Meet Ripley, SpaceX's Dummy Astronaut Riding on Crew Dragon Test Flight". Space.com. Retrieved 1 March 2019.
 
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