Cygnus Orb-D1
Cygnus Orb-D1 spacecraft, photographed from ISS
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| Mission type | Technology demonstration ISS resupply |
|---|---|
| Operator | Orbital Sciences |
| COSPAR ID | 2013-051A |
| SATCAT no. | 39258 |
| Mission duration | 35 days, 3 hours, 17 minutes |
| Spacecraft properties | |
| Spacecraft | Cygnus 1 |
| Spacecraft type | Standard Cygnus |
| Manufacturer | Orbital Sciences Thales Alenia Space |
| Payload mass | 700 kg (1,543 lb) |
| Start of mission | |
| Launch date | 18 September 2013, 14:58:02.2 UTC |
| Rocket | Antares 110 |
| Launch site | MARS LP-0A |
| Contractor | Orbital Sciences |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 23 October 2013, 18:16 UTC |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee | 419 km (260 mi) |
| Apogee | 426 km (265 mi) |
| Inclination | 51.65 degrees |
| Period | 92.90 minutes |
| Epoch | 30 September 2013, 11:55:32 UTC |
| Berthing at International Space Station | |
| Berthing port | Harmony nadir |
| RMS capture | 29 September 2013, 11:00 UTC |
| Berthing date | 29 September 2013, 12:44 UTC |
| Unberthing date | 22 October 2013, 10:04 UTC |
| RMS release | 22 October 2013, 11:31 UTC |
| Time berthed | 22 days, 21 hours, 20 minutes |
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Cygnus Orb-D1, also known as Cygnus 1 and Orbital Sciences COTS Demo Flight, was the first flight of the Cygnus unmanned resupply spacecraft developed by Orbital Sciences Corporation. It was named after the late NASA astronaut and Orbital Sciences executive G. David Low. The flight was carried out by Orbital Sciences under contract to NASA as Cygnus' demonstration mission in the Commercial Orbital Transportation Services (COTS) program. Cygnus was the seventh type of spacecraft to visit the ISS, after the manned Soyuz and Space Shuttle, and unmanned Progress, ATV, HTV and Dragon.
The Orb-D1 mission was the first flight of the Cygnus spacecraft and used the standard configuration with a Pressurized Cargo Module.
Orbital named this mission's Cygnus spacecraft the G. David Low after the former NASA astronaut and Orbital employee who died of cancer on 15 March 2008. During a media briefing for the CRS Orb-1 mission, Orbital Sciences executive vice president Frank Culbertson stated, "We were very proud to name that [Cygnus] the G. David Low."
Cygnus Orb-D1 was launched by an Antares 110 rocket flying from Pad 0A at the Mid-Atlantic Regional Spaceport. The launch took place at 14:58:02.2 UTC on 18 September 2013, and successfully inserted the Cygnus into low Earth orbit. The launch marked the second flight of the Antares rocket and the final flight of the interim Antares 110 configuration.
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