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Cygnus OA-7

"SS John Glenn" redirects here. For other ships, see John Glenn (disambiguation).

OA-7
Canadarm2 approaches the S.S. John Glenn
NamesCRS OA-7
CRS Orb-7 (2008–2015)
Orbital-7 (2008–2015)
Mission typeISS resupply
OperatorOrbital ATK
COSPAR ID2017-019A Edit this at Wikidata
SATCAT no.42681Edit this on Wikidata
Mission duration54 days, 1 hour, 56 minutes
Spacecraft properties
SpacecraftS.S. John Glenn
Spacecraft typeEnhanced Cygnus[1][2]
Manufacturer
Launch mass7,220 kg (15,920 lb)[3]
Start of mission
Launch date18 April 2017, 15:11:26 (18 April 2017, 15:11:26) UTC (11:11:26 am EDT)[4]
RocketAtlas V 401 (AV-070)[5]
Launch siteCape Canaveral, SLC‑41
ContractorUnited Launch Alliance
End of mission
DisposalDeorbited
Decay date11 June 2017, 17:08 (11 June 2017, 17:08) UTC[6]
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Inclination51.66°
Berthing at ISS
Berthing portUnity nadir
RMS capture22 April 2017, 10:05 UTC[7]
Berthing date22 April 2017, 12:39 UTC
Unberthing date4 June 2017, 11:05 UTC[8]
RMS release4 June 2017, 13:10 UTC
Time berthed42 days, 22 hours, 26 minutes
Cargo
Mass3,459 kg (7,626 lb)
Pressurised3,376 kg (7,443 lb)
Unpressurised83 kg (183 lb)

NASA insignia
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OA-8E →

OA-7, previously known as Orbital-7, is the eighth flight of the Orbital ATK uncrewed resupply spacecraft Cygnus and its seventh flight to the International Space Station (ISS) under the Commercial Resupply Services contract with NASA.[5] The mission launched on 18 April 2017 at 15:11:26 UTC. Orbital and NASA jointly developed a new space transportation system to provide commercial cargo resupply services to the International Space Station (ISS). Under the Commercial Orbital Transportation Services (COTS) program, then Orbital Sciences designed and built Antares, a medium-class launch vehicle; Cygnus, an advanced maneuvering spacecraft, and a Pressurized Cargo Module which is provided by Orbital's industrial partner Thales Alenia Space.[9]

The Cygnus OA-7 is named the S.S. John Glenn in honor of astronaut and senator John Glenn, the first U.S. astronaut to orbit the Earth on Mercury-Atlas 6 and the oldest to go to space on STS-95, until 2021.[10]

  1. ^ Cite error: The named reference nsf-20120222 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference orbatkpr-20150812a was invoked but never defined (see the help page).
  3. ^ "Cygnus OA-7 Mission: Fact Sheet" (PDF). Orbital ATK. Archived from the original (PDF) on 25 May 2018. Retrieved 24 May 2018.
  4. ^ Cite error: The named reference nasasf20170421 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference sfn-ls was invoked but never defined (see the help page).
  6. ^ "Orbital ATK Successfully Concludes Seventh Cargo Logistics Mission to the International Space Station" (Press release). Orbital ATK. 11 June 2017. Archived from the original on 16 June 2017. Retrieved 13 June 2017.
  7. ^ Cite error: The named reference sfinside20170422 was invoked but never defined (see the help page).
  8. ^ Gebhardt, Chris (4 June 2017). "ISS crew bid early farewell to OA-7 Cygnus, the S.S. John Glenn". NASASpaceFlight.com. Retrieved 6 June 2017.
  9. ^ Cite error: The named reference orbatkbr-fs00608oa3891 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference AutoDH-1 was invoked but never defined (see the help page).
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