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SpaceX CRS-12

The CRS-12 Dragon spacecraft grappled by Canadarm2
Names	SpX-12
Mission type	ISS resupply
Operator	SpaceX
COSPAR ID	2017-045A
SATCAT no.	42904
Mission duration	33 days, 21 hours, 42 minutes
Spacecraft properties
Spacecraft	Dragon 1 C113
Spacecraft type	Dragon 1
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
Rocket	Falcon 9 Full Thrust Block 4 (B1039)
Launch site	Kennedy Space Center, LC-39A
Contractor	SpaceX
End of mission
Landing date	17 September 2017, 14:14 (2017-09-17UTC14:15) UTC
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
Berthing date	16 August 2017, 13:07 UTC
Unberthing date	16 September 2017
RMS release	17 September 2017, 08:40 UTC
Time berthed	31 days
Cargo
Mass	2,910 kg (6,415 lb)
Pressurised	1,652 kg (3,642 lb)
Unpressurised	1,258 kg (2,773 lb)
NASA SpX-12 mission patch Commercial Resupply Services← SpaceX CRS-11OA-8E → Cargo Dragon← SpaceX CRS-11SpaceX 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. The mission was contracted by NASA and was flown by SpaceX using a new Dragon capsule. The Falcon 9 rocket's reusable first stage performed a controlled landing on Landing Zone 1 (LZ1) at Cape Canaveral Air Force Station. After delivering more than 2,900 kilograms (6,400 lb) of cargo, the Dragon spacecraft returned to Earth on 17 September 2017.

Mission overview

CRS-12 is the last of the original order of twelve missions awarded to SpaceX under the CRS contract. Originally scheduled for December 2016, the flight was delayed multiple times to August 2017. 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. After Dragon rendezvoused with the ISS on 16 August 2017, the station's Canadarm2 grappled the spacecraft at 10:52 UTC. It was then berthed to the Harmony module at 13:07 UTC.

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.

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.

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

• 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

• 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. ^ Graham, William (14 August 2017). "SpaceX Falcon 9 launches CRS-12 Dragon mission to the ISS". NASASpaceFlight.com. Retrieved 15 August 2017.
2. ^ Clark, Stephen (14 August 2017). "SpaceX launches cargo capsule full of science experiments". Spaceflight Now. Retrieved 15 August 2017.
3. ^ Bergin, Chris; Gebhardt, Chris (16 September 2017). "CRS-12 Dragon completes her ISS mission with splashdown return". NASASpaceFlight.com. Retrieved 7 October 2017.
4. ^ Garcia, Mark (16 August 2017). "Robotic Arm Reaches Out and Grapples Dragon". NASA. Retrieved 21 August 2017.
5. ^ Garcia, Mark (16 August 2017). "Dragon Installed to Station for Month of Cargo Swaps". NASA. Retrieved 21 August 2017.
6. Clark, Stephen (17 September 2017). "Dragon capsule splashes down in Pacific with space station cargo". Spaceflight Now. Retrieved 7 October 2017.
7. ^ "SpaceX CRS-12 Mission Overview" (PDF). NASA. Retrieved 15 August 2017.
8. Foust, Jeff (14 October 2016). "SpaceX to reuse Dragon capsules on cargo missions". Space News.
9. "Rocket Launch: August 14, 2017 12:31 PM - SpaceX Falcon 9 CRS-12". Kennedy Space Center. Retrieved 15 August 2017.
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. Retrieved 24 February 2016.
11. "Launch Log". Spaceflight Now. 14 August 2017. Archived from the original on 16 August 2017.

External links

• Media related to SpaceX CRS-12 at Wikimedia Commons
• Dragon website at SpaceX.com
• Commercial Resupply Services at NASA.gov

v t e SpaceX Dragon 1 and Dragon 2
CCP COTS CRS
Spacecraft	C100 C106 C108 C201 DragonFly C204 C205 C206 Endeavour C207 Resilience C208 C209 C210 Endurance C211 C212 Freedom C213
Hardware	Falcon 9 1.0 1.1 v1.2 Full Thrust Block 5 Draco SuperDraco
Missions	Demo flights Dragon test flight COTS-1 COTS-2 Pad Abort Test Demo-1 In-Flight Abort Test Demo-2 ISS logistics CRS-1 CRS-2 CRS-3 CRS-4 CRS-5 CRS-6 CRS-7† CRS-8 CRS-9 CRS-10 CRS-11 CRS-12 CRS-13 CRS-14 CRS-15 CRS-16 CRS-17 CRS-18 CRS-19 CRS-20 CRS-21 CRS-22 CRS-23 CRS-24 CRS-25 CRS-26 CRS-27 CRS-28 CRS-29 CRS-30 CRS-31 CRS-32 Crewed missions Demo-2 Crew-1 Crew-2 Inspiration4 Crew-3 Axiom-1 Crew-4 Crew-5 Crew-6 Axiom-2 Crew-7 Axiom-3 Crew-8 Polaris Dawn Crew-9 Fram2 Crew-10 Axiom-4 Polaris-2 Vast-1
Ongoing spaceflights in underline Italics indicates future missions Symbol † indicates failed missions

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