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'''SpaceX CRS-20''', also known as '''SpaceX-20''', is a [[Commercial Resupply Services|Commercial Resupply Service mission]] to the [[International Space Station]] (ISS) launched on 7 March 2020.<ref name=sfn-launchschedule/><ref name=seds-issschedule/> The mission is contracted by [[NASA]] and was flown by [[SpaceX]] using [[SpaceX Dragon|Dragon]]. This was SpaceX's last flight for Dragon CRS and concludes the NASA [[Commercial Resupply Services|CRS-1]] contract extension. The second contract (CRS-2) was awarded in January 2016 and will begin with the [[SpaceX CRS-21]] mission planned for October 2020.<ref name=sfn-20200302/>
'''SpaceX CRS-20''', also known as '''SpaceX-20''', is a [[Commercial Resupply Services|Commercial Resupply Service mission]] to the [[International Space Station]] (ISS) launched on 7 March 2020.<ref name=sfn-launchschedule/><ref name=seds-issschedule/> The mission is contracted by [[NASA]] and was flown by [[SpaceX]] using [[SpaceX Dragon|Dragon]]. This was SpaceX's last flight for Dragon CRS and concludes the NASA [[Commercial Resupply Services|CRS-1]] contract extension. The second contract (CRS-2) was awarded in January 2016 and will begin with the [[SpaceX CRS-21]] mission planned for October 2020 using [[SpaceX Dragon 2|Dragon 2]].<ref name=sfn-20200302/>


The Dragon capsule C112 used for CRS-20 previously flew to the ISS on [[SpaceX CRS-10|CRS-10]] and [[SpaceX CRS-16|CRS-16]].<ref>{{Cite web|url=https://space.skyrocket.de/doc_sdat/dragon.htm|title=Dragon C2, CRS-1,... CRS-20 (SpX 1,... 20)|website=space.skyrocket.de|access-date=2020-03-03}}</ref> It arrived at the ISS on 9 March at 10:25 UTC and was captured by the station's [[Canadarm2]] robotic arm, the last-ever such capture for a Dragon spacecraft: Later cargo and crew missions using SpaceX Dragon vehicles would dock directly at the space station.<ref name=Space-20190309/>
The Dragon capsule C112 used for CRS-20 previously flew to the ISS on [[SpaceX CRS-10|CRS-10]] and [[SpaceX CRS-16|CRS-16]].<ref>{{Cite web|url=https://space.skyrocket.de/doc_sdat/dragon.htm|title=Dragon C2, CRS-1,... CRS-20 (SpX 1,... 20)|website=space.skyrocket.de|access-date=2020-03-03}}</ref> It arrived at the ISS on 9 March at 10:25 UTC and was captured by the station's [[Canadarm2]] robotic arm, the last-ever such capture for a Dragon spacecraft: Later cargo and crew missions using SpaceX Dragon vehicles would dock directly at the space station.<ref name=Space-20190309/>

Revision as of 23:14, 7 April 2020

SpaceX CRS-20
The CRS-20 launches from SLC-40.
Mission typeISS resupply
OperatorSpaceX
COSPAR ID2020-016A Edit this at Wikidata
SATCAT no.45341
Mission duration31 days, 13 hours, 59 minutes
Spacecraft properties
SpacecraftDragon C112.3
Spacecraft typeDragon CRS
ManufacturerSpaceX
Dry mass4200 kg
DimensionsHeight: 6.1 m
Diameter: 3.7 m
Start of mission
Launch date7 March 2020, 04:50:31 UTC [1]
RocketFalcon 9
Launch siteCape Canaveral, SLC-40
ContractorSpaceX
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Inclination51.6°
Berthing with ISS
Berthing portHarmony
RMS capture9 March 2020, 10:25 UTC
Berthing date9 March 2020, 12:18 UTC [2]
Unberthing date7 April 2020, [3] 13:06 UTC [2]
RMS release7 April 2020, 13:15 UTC
Time berthed29 days, 48 minutes
Cargo
Mass1977 kg
Pressurised1509 kg
Unpressurised468 kg
SpaceX CRS-20 mission patch
SpaceX CRS-20 mission patch

SpaceX CRS-20, also known as SpaceX-20, is a Commercial Resupply Service mission to the International Space Station (ISS) launched on 7 March 2020.[1][4] The mission is contracted by NASA and was flown by SpaceX using Dragon. This was SpaceX's last flight for Dragon CRS and concludes the NASA CRS-1 contract extension. The second contract (CRS-2) was awarded in January 2016 and will begin with the SpaceX CRS-21 mission planned for October 2020 using Dragon 2.[5]

The Dragon capsule C112 used for CRS-20 previously flew to the ISS on CRS-10 and CRS-16.[6] It arrived at the ISS on 9 March at 10:25 UTC and was captured by the station's Canadarm2 robotic arm, the last-ever such capture for a Dragon spacecraft: Later cargo and crew missions using SpaceX Dragon vehicles would dock directly at the space station.[7]

Launch schedule history

On February 2016, it was announced that NASA had awarded a contract extension to SpaceX for five CRS additional missions (CRS-16 to CRS-20).[8] On June 2016, NASA Inspector General report had this mission manifested for 2019,[9] but by June 2019 the launch had been pushed back to March 2020.[1]

Primary payload

NASA contracted for the CRS-20 mission from SpaceX and therefore determines the primary payload, date of launch, and orbital parameters for the Dragon CRS.[10] The CRS-20 mission carries 1977 kg of cargo to ISS.[11]

  • Science investigations: 960 kg
  • Vehicle hardware: 219 kg
  • Crew supplies: 273 kg
  • Spacewalk equipment: 56 kg
  • Computer resources: 1 kg
  • Unpressurized payloads: Bartolomeo Platform 468 kg

Bartolomeo (named for the younger brother of explorer Christopher Columbus), is an external payload platform developed by Airbus Defence and Space, German-built and operated by the European Space Agency. Bartolomeo provides power and data transmission for up to 12 payload slots and is the first external commercial research platform to be installed on the ISS.[12][13]

Main article: Columbus – External Payload Facility § Bartolomeo

Along with Bartolomeo, the Dragon cargo mission delivers about a ton of scientific experiments, including biological research investigations studying microgravity's impact on stem cells, intestinal diseases and chemical reactions.[14] A new European platform was also robotically installed outside the space station on 2 April 2020, giving the international research lab a new outdoor deck to host a range of materials science, Earth observation and space science instruments.[15]

The Dragon spacecraft is also packed with spare parts and replacement hardware for the space station's research facilities and life support systems. The components include upgraded hardware for the station's urine processing system, which converts human waste into drinking water. The new components allow NASA teams to test out modifications designed to extend the lifetime of the urine processing system's distillation assembly ahead of future missions to the Moon and Mars, which will require longer-lasting life support equipment.[16][14]

See also

References

  1. ^ a b c "Worldwide Launch Schedule". Spaceflight Now. Retrieved 12 March 2020.
  2. ^ a b Joachim Wilhelm Josef Becker (9 March 2020). "ISS Expedition 62". SpaceFacts.
  3. ^ https://www.nasa.gov/press-release/nasa-tv-to-air-us-cargo-ship-departure-from-space-station-1
  4. ^ Frommert, Hartmut. "International Space Station Flight Schedule". SEDS USA : Students for the Exploration and Development of Space. Retrieved 12 February 2020.
  5. ^ Clarke, Stephen (2 March 2020). "SpaceX test-fires rocket, preps for final flight of first-generation Dragon capsule". Spaceflight Now.
  6. ^ "Dragon C2, CRS-1,... CRS-20 (SpX 1,... 20)". space.skyrocket.de. Retrieved 2020-03-03.
  7. ^ Wall, Mike (2020-03-09). "SpaceX Dragon cargo ship, the last to be caught by robot arm, arrives at space station". Space. Retrieved 2020-03-10.
  8. ^ de Selding, Peter B. (24 February 2016). "SpaceX wins 5 new space station cargo missions in NASA contract estimated at $700 million". Space News.
  9. ^ NASA Office of Inspector General (June 28, 2016). NASA’s Response to SpaceX’s June 2015 Launch Failure: Impacts on Commercial Resupply of the International Space Station (PDF) (Report). NASA Office of Inspector General. p. 13. Retrieved 2016-07-18.
  10. ^ Gaskill, Melissa (19 February 2020). "Improving Shoes, Showers, 3D Printing: Research Launching to the Space Station". NASA.
  11. ^ SpaceX SpX-20 Mission Overview (PDF) (Report). NASA. 6 March 2020. Retrieved 11 March 2020.
  12. ^ "Bartolomeo (CEPHFISS)". Gunter's Space Page. Retrieved 15 February 2020.
  13. ^ Staff Writers (27 January 2020). "Bartolomeo starts its journey to the International Space Station". Space Daily.
  14. ^ a b Clarke, Stephen (6 March 2020). "ISS to receive new outdoor deck for science experiments". Spaceflight Now. Retrieved 11 March 2020.
  15. ^ "Pandemic prompts few changes to busy month on space station". spaceflightnow.com - 3 April 2020.
  16. ^ https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=2020-016A
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