SpaceX CRS-12

Short description: 2017 American resupply spaceflight to the ISS

SpaceX CRS-12Error creating thumbnail: Unable to save thumbnail to destination

The CRS-12 Dragon spacecraft grappled by Canadarm2

Mission type| ISS resupply
Operator| SpaceX
COSPAR ID| 2017-045A
SATCAT no.| 42904
Mission duration| Final: 33 days, 21 hours, 42 minutes
Spacecraft properties
Spacecraft| Dragon C113[1]
Spacecraft type| CRS Dragon
Manufacturer| SpaceX
Dry mass| 4,200 kg (9,300 lb)
Dimensions| Height: 6.1 m (20 ft)
Diameter: 3.7 m (12 ft)
Start of mission
Launch date| 14 August 2017, 16:31:37 (2017-08-14UTC16:31:37) UTC[2]
Rocket| Falcon 9 Block 4[1]
Launch site| Kennedy LC-39A
Contractor| SpaceX
End of mission
Landing date| 17 September 2017, 14:14 (2017-09-17UTC14:15) UTC[3]
Landing site| Pacific Ocean
Orbital parameters
Reference system| Geocentric
Regime| Low Earth
Inclination| 51.6°
Berthing at ISS
Berthing port| Harmony nadir
RMS capture| 16 August 2017, 10:52 UTC[4]
Berthing date| 16 August 2017, 13:07 UTC[5]
Unberthing date| 16 September 2017
RMS release| 17 September 2017, 08:40 UTC[6]
Time berthed| 31 days
Cargo
Mass| 2,910 kg (6,415 lb)[7]
Pressurised| 1,652 kg (3,642 lb)[7]
Unpressurised| 1,258 kg (2,773 lb)[7]

NASA SpX-12 mission patch

Commercial Resupply Services

<- SpaceX CRS-11

OA-8E ->

Cargo Dragon

<- SpaceX CRS-11

SpaceX CRS-13 ->

SpaceX CRS-12, also known as SpX-12, was a Commercial Resupply Services mission to the International Space Station launched on 14 August 2017.[1] The mission was contracted by NASA and was flown by SpaceX using a new Dragon capsule.[8] The Falcon 9 rocket's reusable first stage performed a controlled landing on Landing Zone 1 (LZ1) at Cape Canaveral Air Force Station.[1][9] After delivering more than 2,900 kilograms (6,400 lb) of cargo, the Dragon spacecraft returned to Earth on 17 September 2017.[3]

## Contents

* 1 Mission overview
* 2 Payload
* 3 Gallery
* 4 See also
* 5 References
* 6 External links

## Mission overview

Launch of the CRS-12 mission

CRS-12 is the last of the original order of twelve missions awarded to SpaceX under the CRS contract.[10] Originally scheduled for December 2016, the flight was delayed multiple times to August 2017.[11] Launch occurred on 14 August 2017 at 16:31:37 UTC from Kennedy Space Center's Launch Complex 39A aboard a SpaceX Falcon 9 rocket.[2] After Dragon rendezvoused with the ISS on 16 August 2017, the station's Canadarm2 grappled the spacecraft at 10:52 UTC.[4] It was then berthed to the Harmony module at 13:07 UTC.[5]

Having been at the ISS for a month, the CRS-12 Dragon capsule was unberthed in the late hours of 16 September 2017 and was released by the Canadarm2 on 17 September at 08:40 UTC. After performing separation burns to take it out of the vicinity of the ISS, the Dragon performed a deorbit burn to enable atmospheric reentry. The spacecraft successfully landed in the Pacific Ocean at 14:14 UTC, returning approximately 1,700 kilograms (3,800 lb) of experiments and equipment to Earth.[3]

## Payload

NASA has contracted for the CRS-12 mission from SpaceX and therefore determines the primary payload, date/time of launch, and orbital parameters for the Dragon space capsule. CRS-12 carried a total of 2,910 kg (6,415 lb) of material into orbit. This included 1,652 kg (3,642 lb) of pressurised cargo with packaging bound for the International Space Station, and 1,258 kg (2,773 lb) of unpressurised cargo composed of the CREAM instrument, to be mounted externally to the ISS.[1][7]

The following is a breakdown of cargo bound for the ISS:[7]

* Science investigations: 916 kg (2,019 lb)
* Crew supplies: 220 kg (485 lb)
* Vehicle hardware: 339 kg (747 lb)
* Spacewalk equipment: 30 kg (66 lb)
* Computer resources: 53 kg (117 lb)
* External payloads:
* Cosmic-Ray Energetics and Mass (CREAM): 1,258 kg (2,773 lb)

## Gallery

SpaceX CRS-12

* Launch of CRS-12

* Falcon 9 ascending with CRS-12

* Dragon docked to the ISS

## See also

* Uncrewed spaceflights to the International Space Station
* List of Falcon 9 and Falcon Heavy launches
* 2017 in spaceflight

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 Graham, William (14 August 2017). "SpaceX Falcon 9 launches CRS-12 Dragon mission to the ISS". NASASpaceFlight.com. https://www.nasaspaceflight.com/2017/08/spacex-falcon-9-launch-crs-12-dragon-mission-iss/.
2. ↑ 2.0 2.1 Clark, Stephen (14 August 2017). "SpaceX launches cargo capsule full of science experiments". Spaceflight Now. https://spaceflightnow.com/2017/08/14/spacex-launches-cargo-capsule-full-of-science-experiments/.
3. ↑ 3.0 3.1 3.2 Bergin, Chris; Gebhardt, Chris (16 September 2017). "CRS-12 Dragon completes her ISS mission with splashdown return". NASASpaceFlight.com. https://www.nasaspaceflight.com/2017/09/crs-12-dragon-iss-mission-splashdown-return/.
4. ↑ 4.0 4.1 Garcia, Mark (16 August 2017). "Robotic Arm Reaches Out and Grapples Dragon". NASA. https://blogs.nasa.gov/spacestation/2017/08/16/robotic-arm-reaches-out-and-grapples-dragon/.
5. ↑ 5.0 5.1 Garcia, Mark (16 August 2017). "Dragon Installed to Station for Month of Cargo Swaps". NASA. https://blogs.nasa.gov/spacestation/2017/08/16/dragon-installed-to-station-for-month-of-cargo-swaps/.
6. ↑ Clark, Stephen (17 September 2017). "Dragon capsule splashes down in Pacific with space station cargo". Spaceflight Now. https://spaceflightnow.com/2017/09/17/dragon-capsule-splashes-down-in-pacific-with-space-station-cargo/.
7. ↑ 7.0 7.1 7.2 7.3 7.4 "SpaceX CRS-12 Mission Overview". NASA. https://www.nasa.gov/sites/default/files/atoms/files/spacex_crs-12_missionoverview.pdf.
8. ↑ Foust, Jeff (14 October 2016). "SpaceX to reuse Dragon capsules on cargo missions". Space News. http://spacenews.com/spacex-to-reuse-dragon-capsules-on-cargo-missions/.
9. ↑ "Rocket Launch: August 14, 2017 12:31 PM - SpaceX Falcon 9 CRS-12". Kennedy Space Center. https://www.kennedyspacecenter.com/events/events-calendar/2017/august/rocket-launch-spacex-crs-12.
10. ↑ de Selding, Peter B. (24 February 2016). "SpaceX wins 5 new space station cargo missions in NASA contract estimated at $700 million". Space News. http://spacenews.com/spacex-wins-5-new-space-station-cargo-missions-in-nasa-contract-estimated-at-700-million/.
11. ↑ "Launch Log". Spaceflight Now. 14 August 2017. https://spaceflightnow.com/launch-log/.

## External links

* Dragon website at SpaceX.com
* Commercial Resupply Services at NASA.gov

* v
* t
* e

Dragon / Dragon 2 spaceflights

Past missions|

* Demo Flight 1 (Dec 2010)
* Demo Flight 2 (May 2012)
* CRS-1 (Oct 2012)
* CRS-2 (Mar 2013)
* CRS-3 (Apr 2014)
* CRS-4 (Sep 2014; on C106)
* CRS-5 (Jan 2015)
* CRS-6 (Apr 2015)
* CRS-7† (Jun 2015)
* CRS-8 (Apr 2016)
* CRS-9 (Jul 2016)
* CRS-10 (Feb 2017)
* CRS-11 (Jun 2017; on C106)
* CRS-12 (Aug 2017)
* CRS-13 (Dec 2017)
* CRS-14 (Apr 2018)
* CRS-15 (Jun 2018)
* CRS-16 (Dec 2018)
* Crew Dragon Demo-1 (Mar 2019)
* CRS-17 (May 2019)
* CRS-18 (Jul 2019)
* CRS-19 (Dec 2019)

Future missions|

* Crew Dragon Demo-2 (Q1 2020)
* CRS-20 (Mar 2020)
* USCV-1 (May 2020)

See also|

* Falcon 9
* launches
* Commercial Orbital Transportation Services
* Commercial Resupply Services
* Uncrewed spaceflights to the ISS

* Signs † indicate launch failures.

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SpaceX rocket launches

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|

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* 2021
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* Test flight
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* Italics indicate future missions and vehicles under development. † denotes failed missions and destroyed vehicles.

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* See also: {{Crewed ISS flights}}
* {{ISS expeditions}}

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Future|

* 2020
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* 77P
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* 78P
* 2021
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* 2022
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Spacecraft|

* Roscosmos Progress
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* SpaceX Dragon
* Northrop Grumman Cygnus
* Sierra Nevada Dream Chaser

* Signs † indicate missions which failed to reach ISS

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