Crew Dragon Demo-1

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Crew Dragon Demo-1
File:NASA Johnson 3.3-445A2747.jpg
Silhouette of Crew Dragon against the Earth's horizon, as it approaches the International Space Station
Mission type Test flight
Operator
Mission duration 6 days
Orbits completed 62
Spacecraft properties
Spacecraft C201
Spacecraft type Crew Dragon 2
Manufacturer SpaceX
Dry mass 6,350 kg (14,000 lb)[1]
Start of mission
Launch date 2 March 2019 07:49:03 (UTC)
Rocket Falcon 9 Block 5
Launch site Kennedy LC-39A
End of mission
Landing date 8 March 2019 13:45:08 (UTC)[2]
Landing site Atlantic Ocean[2]
Orbital parameters
Reference system Geocentric
Regime Low Earth
Inclination 51.6 degrees
Docking with ISS
Docking port Harmony forward[3]
Docking date 3 March 2019 10:51 (UTC)[4][2]
Undocking date 8 March 2019 7:32 (UTC)[5][2]
Time docked 4 days[2]
150px
SpaceX insignia for the mission
Commercial Crew Development
Boeing Pad Abort Test →

Crew Dragon Demo-1 (officially known as SpaceX Demo-1 and Crew Demo-1) was the first orbital test of the Dragon 2 spacecraft. This first spaceflight was an uncrewed mission that launched on 2 March 2019[6][7] at 07:49 UTC or 02:49 EST, and arrived at the International Space Station on March 3, a little over 24 hours after the launch. The mission ended following a successful splashdown on 8 March 2019 at 13:45 UTC or 08:45 EST.[8][9]

During a separate test, on 20 April 2019, the capsule used on Crew Demo-1 was unexpectedly destroyed when firing the SuperDraco engines at Landing Zone 1.[10]

Mission

The spacecraft tested the approach and automated docking procedures with the International Space Station (ISS), consequent undocking from the ISS, full re-entry, splashdown and recovery steps to provide data requisite to subsequently qualify for flights transporting humans to the ISS. Life support systems were being monitored all throughout the test flight.[11] The same capsule was planned for re-use in an in-flight abort test, but it was destroyed in an accident during a static fire test of its SuperDraco thrusters.[10]

The mission was launched on a SpaceX Falcon 9 Block 5 rocket contracted by NASA's Commercial Crew Program. Initial plans had hoped to see CCDev2 flights as early as 2015.[12] DM-1 was eventually slated for no earlier than December 2016, and then delayed several times throughout 2017.[13][14][15] The first exact date was published by NASA in November 2018 to be January 17, 2019,[16] but this got pushed into February.[17] The static fire took place on January 24, 2019 and the launch date was set to February 23, 2019.[18] By the end of January, the launch was delayed to no earlier than 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.[19]

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.[20] 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.[21][22]

The Dragon 2 capsule successfully undocked from the ISS on March 8, 2019 at 7:31 UTC, performed entry into the Earth's atmosphere and splashed down in the Atlantic Ocean later that day at 13:45 UTC.[9] The capsule was recovered using SpaceX's recovery ship Go Searcher and was returned to the mainland where it was examined and the data collected by the on board sensors was analyzed.[23][24]

Payload

Instead of carrying astronauts to the ISS, this flight had an Anthropomorphic Test Device (ATD) wearing SpaceX's custom flight suit. The ATD is named Ripley, as a homage to Sigourney Weaver's character in the Alien movies franchise. The capsule was weighted similarly to missions with astronauts onboard and carried approximately 400 lb (180 kg) of supplies and equipment including a "super high tech zero-g indicator" (a plush toy).[25][26][27][3] The "zero-g indicator" was left onboard the ISS after undocking, while Ripley returned safely to Earth on March 8, 2019.

Gallery

  • NASA Crew Demo-1 (31433487787).jpg

    The Dragon 2 capsule at SpaceX's LC-39A Horizontal Integration Facility.

  • Crew Demo-1 Mission (39684491043).jpg

    The Dragon 2 capsule mounted aboard the Falcon 9, on the launchpad, with the gangway arm extended from the launch tower to the capsule.

  • SpaceX-DM1-Docked.jpg

    Dragon 2 docked to the International Space Station.

  • SpaceX Crew Dragon Demo-1 Hatch Open.jpg

    Expedition 58 crew members enter the Dragon 2 for the first time. They are wearing protective gear to avoid breathing particulate matter that may have shaken loose during launch.

  • KSC-20190308-PH CSH01 0001.jpg

    The Dragon 2 capsule landing in the Atlantic Ocean.

See also

References

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External links

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  6. ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ 9.0 9.1 Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ 10.0 10.1 Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  21. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  22. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  23. ↑ Mission SpX-DM1 accomplished: the SpaceX Crew Dragon spacecraft has come back to Earth. Massimo Luciani, Tachyon Beam. 8 March 2019.
  24. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  25. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  27. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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