Cygnus CRS OA-6
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Cygnus CRS OA-6 approaching the ISS on 26 March 2016
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| Mission type | ISS resupply |
|---|---|
| Operator | NASA |
| Spacecraft properties | |
| Spacecraft type | Enhanced Cygnus |
| Manufacturer |
Orbital Sciences Thales Alenia Space |
| Start of mission | |
| Launch date | March 23, 2016, 03:05:52 UTC |
| Rocket | Atlas V 401 |
| Launch site | Cape Canaveral SLC-41 |
| Contractor | United Launch Alliance |
| End of mission | |
| Disposal | Deorbited |
| Decay date | June 22, 2016, 13:05 UTC |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Inclination | 51.6 degrees |
| Epoch | Planned |
| Berthing at ISS | |
| Berthing port | Unity nadir |
| RMS capture | March 26, 2016, 10:51 UTC |
| Berthing date | March 26, 2016, 14:52 UTC |
| Unberthing date | June 14, 2016, 11:43 UTC |
| RMS release | June 14, 2016, 13:30 UTC |
| Time berthed | 80 days |
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NASA OA-6 mission patch
Cygnus CRS OA-6, also known as Orbital Sciences CRS Flight 6, is the sixth flight of the Orbital ATK unmanned resupply spacecraft Cygnus and its fifth flight to the International Space Station under the Commercial Resupply Services contract with NASA.
The Cygnus spacecraft for this mission is named the S.S. Rick Husband in honor of astronaut Rick Husband.
The first COTS demonstration mission with a Cygnus concluded successfully in September 2013 and Orbital commenced operational ISS cargo missions under the Commercial Resupply Service (CRS) program with two missions in 2014. However, the third operational mission, Orb CRS-3, was unsuccessful due to catastrophic failure of its Antares 130 launch vehicle. Orbital discontinued the Antares 100 series in favor of the planned Antares 200, upgraded with newly built RD-181 first stage engines to provide greater payload performance and increased reliability.
While the Antares 200 was under development in 2015–2016, the company contracted with United Launch Alliance for the Atlas V launch of CRS OA-4, which occurred on 6 December 2015, to be followed by the Atlas V launch of CRS OA-6 on 23 March 2016.
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