SpaceX CRS-12, also known as SpX-12, is 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 16 September 2017.

Mission type: ISS resupply
Operator: SpaceX
COSPAR ID: 2017-045A
SATCAT no. 42904
Mission duration: Final: 32 days, 21 hours, 42 minutes

Spacecraft properties
Spacecraft: Dragon C113
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 UTC
Rocket: Falcon 9 Block 4
Launch site: Kennedy LC-39A
Contractor: SpaceX

End of mission
Landing date: 16 September 2017, 14:14 UTC
Landing site: Pacific Ocean

Orbital parameters
Reference system: Geocentric
Regime: Low Earth
Inclination: 51.6°
Epoch: Planned

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: 16 September 2017, 08:40 UTC
Time berthed: 30 days

Cargo
Mass: 2,910 kg (6,415 lb)
Pressurised: 1,652 kg (3,642 lb)
Unpressurised: 1,258 kg (2,773 lb)