About: Dragon C2+   Sponge Permalink

An Entity of Type : dbkwik:resource/G7YR4yAvfoe7I_ap4nmguQ==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Dragon C2+, also known as SpaceX COTS Demo Flight 2 (COTS 2), was the second test-flight for SpaceX's uncrewed Dragon cargo spacecraft, launched on the third flight of the company's two-stage Falcon 9 launch vehicle. The flight was performed under a funded agreement from NASA as the second Dragon demonstration mission in the Commercial Orbital Transportation Services (COTS) program. The purpose of the COTS program is to develop and demonstrate commercial sources for cargo re-supply of the International Space Station (ISS). The Dragon C2+ spacecraft was the first American vehicle to visit the ISS since the end of the Space Shuttle program. It was also the first commercial spacecraft to rendezvous and berth with another spacecraft.

AttributesValues
rdf:type
rdfs:label
  • Dragon C2+
rdfs:comment
  • Dragon C2+, also known as SpaceX COTS Demo Flight 2 (COTS 2), was the second test-flight for SpaceX's uncrewed Dragon cargo spacecraft, launched on the third flight of the company's two-stage Falcon 9 launch vehicle. The flight was performed under a funded agreement from NASA as the second Dragon demonstration mission in the Commercial Orbital Transportation Services (COTS) program. The purpose of the COTS program is to develop and demonstrate commercial sources for cargo re-supply of the International Space Station (ISS). The Dragon C2+ spacecraft was the first American vehicle to visit the ISS since the end of the Space Shuttle program. It was also the first commercial spacecraft to rendezvous and berth with another spacecraft.
sameAs
decision date
  • 2012-05-19(xsd:date)
COSPAR ID
  • 2012(xsd:integer)
dcterms:subject
dbkwik:nasa/proper...iPageUsesTemplate
colwidth
  • 30(xsd:integer)
Reason
  • Technical
Previous Mission
Date
  • 2012-05-19(xsd:date)
  • 2012-05-22(xsd:date)
landing date
  • --05-31
SATCAT
  • 38348(xsd:integer)
Mission Duration
  • 777600.0
decision clock
  • −0:00:00.5
disposal type
  • Recovered
spacecraft type
Name
  • Dragon C2+
launch contractor
weathergo
  • 80.0
  • 90.0
Insignia
  • SpaceX COTS 2 emblem.png
Image caption
  • --05-25
Manufacturer
orbit inclination
  • 51(xsd:double)
docking
  • --05-25
Operator
DF
  • yes
Result
  • Success
  • Abort
launch site
Notes
  • 48.0
  • Launch was automatically aborted with higher than acceptable pressure detected in engine 5. This was due to a faulty check valve, which was then replaced later that day.
Mission Type
  • ISS resupply
apsis
  • gee
orbit regime
launch rocket
  • Falcon 9 v1.0
Launch date
  • --05-22
Next Mission
orbit reference
abstract
  • Dragon C2+, also known as SpaceX COTS Demo Flight 2 (COTS 2), was the second test-flight for SpaceX's uncrewed Dragon cargo spacecraft, launched on the third flight of the company's two-stage Falcon 9 launch vehicle. The flight was performed under a funded agreement from NASA as the second Dragon demonstration mission in the Commercial Orbital Transportation Services (COTS) program. The purpose of the COTS program is to develop and demonstrate commercial sources for cargo re-supply of the International Space Station (ISS). The Dragon C2+ spacecraft was the first American vehicle to visit the ISS since the end of the Space Shuttle program. It was also the first commercial spacecraft to rendezvous and berth with another spacecraft. Initially, the objectives of the C2+ mission were to have been accomplished by two separate missions; Dragon C2 would have carried out a fly-by of the ISS, practiced rendezvous maneuvers and communications with the station, before returning to Earth. A second mission, C3, would have been the first mission to berth with the station. In July 2011, NASA gave tentative approval to combine the objectives of the two missions. In December 2011, NASA formally approved the merger of the COTS 2 and 3 missions into the Dragon C2+ flight. There were several launch delays, the last one occurring on 19 May 2012, due to a launch abort during the last second before liftoff. Dragon C2+ successfully launched from Cape Canaveral on 22 May 2012. During the mission's first three days all of the COTS 2 objectives were successfully completed. The mission's COTS 3 phase began on 25 May when Dragon rendezvoused again with the ISS and then was successfully captured using the Canadarm2. It was berthed to the station later that day, using the robotic arm. Dragon stayed for almost six days during which the astronauts unloaded cargo, and then reloaded Dragon with Earth-bound cargo. On 31 May, Dragon unberthed from the ISS, its capsule landed in the Pacific Ocean off the California coast and was recovered. All the objectives of the mission were successfully completed, and the Falcon 9-Dragon system became certified to start regular cargo delivery missions to the ISS under the Commercial Resupply Services program.
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