Cygnus CRS Orb-2
Cygnus CRS Orb-2 arriving at the ISS on 16 July 2014
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| Mission type | ISS resupply |
|---|---|
| Operator | Orbital Sciences |
| COSPAR ID | 2014-039A |
| SATCAT no. | 40084 |
| Mission duration | 34 days, 20 hours, 29 minutes |
| Spacecraft properties | |
| Spacecraft | Cygnus 3 |
| Spacecraft type | Standard Cygnus |
| Manufacturer | Orbital Sciences Thales Alenia Space |
| Payload mass | 1,493.8 kg (3,293 lb) |
| Start of mission | |
| Launch date | 13 July 2014, 16:52:14 UTC |
| Rocket | Antares 120 |
| Launch site | MARS LP-0A |
| Contractor | Orbital Sciences |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 17 August 2014, 13:22 UTC |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee | 410 km (250 mi) |
| Apogee | 418 km (260 mi) |
| Inclination | 51.64 degrees |
| Period | 92.85 minutes |
| Epoch | 16 July 2014 |
| Berthing at International Space Station | |
| Berthing port | Harmony nadir |
| RMS capture | 16 July 2014, 10:36 UTC |
| Berthing date | 16 July 2014, 12:53 UTC |
| Unberthing date | 15 August 2014, 09:14 UTC |
| RMS release | 15 August 2014, 10:40 UTC |
| Time berthed | 29 days, 20 hours, 21 minutes |
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NASA Orb-2 mission patch
Cygnus CRS Orb-2, also known as Orbital Sciences CRS Flight 2, was the third flight of the Orbital Sciences' unmanned resupply spacecraft Cygnus, its third flight to the International Space Station, and the fourth launch of the company's Antares launch vehicle. The mission launched from the Mid-Atlantic Regional Spaceport on 13 July 2014.
This was the second of eight scheduled flights by Orbital Sciences under the Commercial Resupply Services contract with NASA. It was the last planned usage of the enhanced Castor 30B second stage for this CRS Orb-x series.
In an Orbital Sciences tradition, the Cygnus spacecraft was named the Janice Voss after Janice E. Voss, a NASA astronaut and Orbital employee who died on 6 February 2012.
The mission was originally scheduled to launch on 1 May 2014 but the launch was delayed to no sooner than 6 May 2014, then to NET 17 June, then to NET 1 July, again to NET 10 July, again to NET 11 July due to test stand failure of an AJ-26 engine, to NET 12 July due to local weather, and finally to NET 13 July 2014, again due to weather. Orb-2 launched on 13 July 2014 at 16:52:14 UTC with berthing to the ISS following 3 days later on 16 July. The Cygnus Orb-2 delivered 1,650 kilograms (3,630 lb) of cargo to ISS and disposed of about 1,470 kilograms (3,250 lb) of trash through destructive reentry.
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