CRS-11 was the penultimate of the first twelve missions awarded to SpaceX under theCommercial Resupply Services contract to resupply the International Space Station.
The CRS-11 mission was the first time that a Dragon spacecraft has been reused, helping SpaceX to scale back its production line and shift focus toDragon 2.[7]
CRS-11 launched aboard a Falcon 9 launch vehicle on 3 June 2017 at 21:07:38UTC fromKennedy Space Center'sLaunch Complex 39A (LC-39A).[1] The spacecraft rendezvoused with the station on 5 June 2017 and conducted a series of orbit adjustment burns to match speed, altitude, and orientation with the ISS. After arriving at the capture point at 13:37 UTC, the vehicle was snared at 13:52 UTC by theCanadarm2, operated byPeggy Whitson andJack Fischer.[8] It was berthed to theHarmony module at 16:07 UTC.[4]
The Falcon 9 first stage landed successfully onLanding Zone 1, making it the fifth successful touch down on land and the 11th overall.[9]
The CRS-11 Dragon remained attached to the ISS for just over 27 days. Having been filled with around 2,708 kg (5,970 lb) of cargo,[10] Dragon was unberthed from the station on 2 July 2017 at approximately 18:00 UTC.[5] It was moved to its release position by Canadarm2, but poor sea conditions forced a delay to the following day.[11] On 3 July 2017, at 06:41 UTC, crew members commanded Canadarm2 to release Dragon, and soon after the spacecraft began a series of thruster firings to move it away from the station.[11] About five hours after departing from ISS, Dragon closed itsguidance, navigation, and control (GNC) bay door and conducted a 10-minute deorbit burn. Immediately after, the spacecraft jettisoned its cargo trunk and oriented itself for reentry. Dragon splashed down in the Pacific Ocean offBaja California at 12:12 UTC.[2]
NASA has contracted for the CRS-11 mission from SpaceX and therefore determines the primary payload, date/time of launch, andorbital parameters for the Dragonspace capsule. CRS-11 carried a total of 2,708 kg (5,970 lb) of material into orbit. This included 1,665 kg (3,671 lb) of pressurised cargo with packaging bound for the International Space Station, and 1,002 kg (2,209 lb) of unpressurised cargo composed of three external station experiments:Neutron Star Interior Composition Explorer (NICER), MUSES andRoll Out Solar Array (ROSA).[6][12]
The following is a breakdown of cargo bound for the ISS:[6]
^abMcDowell, Jonathan (2 July 2017)."The Space Report". No. 739. Jonathan's Space Report. Archived fromthe original on 1 March 2018. Retrieved3 July 2017.
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
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