Sentinel-1D: Difference between revisions – Wikipedia

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Development contract was signed with [[Thales Alenia Space]] of Italy in December 2015.<ref name=”:4″>{{Cite web |title=Thales Alenia Inks Deal To Build 2 More Sentinel Satellites for ESA |url=https://spacenews.com/thales-alenia-space-signs-contract-to-build-2-more-sentinel-satellites-for-esa/}}</ref> In November 2022, the satellite’s launch was scheduled for the second half of 2024.<ref name=”as-20221129″>{{cite press release |title=Arianespace supporting the European Union’s Copernicus programme with Vega C |date=29 November 2022 |url=https://www.arianespace.com/press-release/arianespace-supporting-the-european-unions-copernicus-programme-with-vega-c/ |access-date=29 November 2022 |work=[[Arianespace]]}}</ref> In January 2025, [[European Space Agency|ESA]] signed a contract with [[Arianespace]] to launch the satellite in the second half of 2025 on [[Ariane 6]].<ref name=”:3″>{{Cite web |title=Ariane 6 to take Sentinel-1D into orbit |url=https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Sentinel-1/Ariane_6_to_take_Sentinel-1D_into_orbit |access-date=2025-04-06 |website=www.esa.int |language=en}}</ref>

Development contract was signed with [[Thales Alenia Space]] of Italy in December 2015.<ref name=”:4″>{{Cite web |title=Thales Alenia Inks Deal To Build 2 More Sentinel Satellites for ESA |url=https://spacenews.com/thales-alenia-space-signs-contract-to-build-2-more-sentinel-satellites-for-esa/}}</ref> In November 2022, the satellite’s launch was scheduled for the second half of 2024.<ref name=”as-20221129″>{{cite press release |title=Arianespace supporting the European Union’s Copernicus programme with Vega C |date=29 November 2022 |url=https://www.arianespace.com/press-release/arianespace-supporting-the-european-unions-copernicus-programme-with-vega-c/ |access-date=29 November 2022 |work=[[Arianespace]]}}</ref> In January 2025, [[European Space Agency|ESA]] signed a contract with [[Arianespace]] to launch the satellite in the second half of 2025 on [[Ariane 6]].<ref name=”:3″>{{Cite web |title=Ariane 6 to take Sentinel-1D into orbit |url=https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Sentinel-1/Ariane_6_to_take_Sentinel-1D_into_orbit |access-date=2025-04-06 |website=www.esa.int |language=en}}</ref>

In September 2025 the satellite was transported from the [[cleanroom]] in [[Cannes]], France, via [[Turin]], Italy to [[French Guiana]] by the Ukrainian [[Antonov Airlines]].<ref>{{Cite web |title=Copernicus Sentinel-1D manoeuvred into place |url=https://www.esa.int/ESA_Multimedia/Images/2025/09/Copernicus_Sentinel-1D_manoeuvred_into_place |access-date=2025-10-06 |website=www.esa.int |language=en}}</ref><ref>{{Cite web |title=Sentinel-1D in French Guiana for launch campaign |url=https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Sentinel-1/Sentinel-1D_in_French_Guiana_for_launch_campaign |access-date=2025-10-06 |website=www.esa.int |language=en}}</ref> At the same time, control teams at [[European Space Operations Centre|ESOC]] begun simulations of the Sentinel-1D’s [[Launch and Early Orbit phase|Launch and Early Orbit Phase (LEOP)]]. This is the first time an ESOC-operated satellite is launching on [[Ariane 6]].<ref>{{Cite web |title=“We know the drill”: Sentinel-1D begins streamlined simulations training |url=https://www.esa.int/Enabling_Support/Operations/We_know_the_drill_Sentinel-1D_begins_streamlined_simulations_training |access-date=2025-10-06 |website=www.esa.int |language=en}}</ref> In early October 2025, the satellite has undergone functional tests and had its AIS antenna assemblies integrated.<ref>{{Cite web |title=Sentinel-1D preparations underway in Kourou |url=https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Sentinel-1/Sentinel-1D_preparations_underway_in_Kourou |access-date=2025-10-08 |website=www.esa.int |language=en}}</ref> The launch is planned for 4 November 2025.<ref>{{Cite web |last=JOSEPH-GABRIEL |first=Daphné |date=2025-10-06 |title=Arianespace to launch EU’s Copernicus Sentinel-1D satellite on November 4, 2025, with Ariane 6 |url=https://newsroom.arianespace.com/?p=46856 |access-date=2025-10-06 |website=Newsroom Arianespace}}</ref>

In September 2025 the satellite was transported from the [[cleanroom]] in [[Cannes]], France, via [[Turin]], Italy to [[French Guiana]] by the Ukrainian [[Antonov Airlines]].<ref>{{Cite web |title=Copernicus Sentinel-1D manoeuvred into place |url=https://www.esa.int/ESA_Multimedia/Images/2025/09/Copernicus_Sentinel-1D_manoeuvred_into_place |access-date=2025-10-06 |website=www.esa.int |language=en}}</ref><ref>{{Cite web |title=Sentinel-1D in French Guiana for launch campaign |url=https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Sentinel-1/Sentinel-1D_in_French_Guiana_for_launch_campaign |access-date=2025-10-06 |website=www.esa.int |language=en}}</ref> At the same time, control teams at [[European Space Operations Centre|ESOC]] begun simulations of the Sentinel-1D’s [[Launch and Early Orbit phase|Launch and Early Orbit Phase (LEOP)]]. This is the first time an ESOC-operated satellite is launching on [[Ariane 6]].<ref>{{Cite web |title=“We know the drill”: Sentinel-1D begins streamlined simulations training |url=https://www.esa.int/Enabling_Support/Operations/We_know_the_drill_Sentinel-1D_begins_streamlined_simulations_training |access-date=2025-10-06 |website=www.esa.int |language=en}}</ref>

In early October 2025, the satellite has undergone functional tests and had its AIS antenna assemblies integrated.<ref>{{Cite web |title=Sentinel-1D preparations underway in Kourou |url=https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Sentinel-1/Sentinel-1D_preparations_underway_in_Kourou |access-date=2025-10-08 |website=www.esa.int |language=en}}</ref> The launch is planned for 4 November 2025.<ref>{{Cite web |last=JOSEPH-GABRIEL |first=Daphné |date=2025-10-06 |title=Arianespace to launch EU’s Copernicus Sentinel-1D satellite on November 4, 2025, with Ariane 6 |url=https://newsroom.arianespace.com/?p=46856 |access-date=2025-10-06 |website=Newsroom Arianespace}}</ref>

European radar imaging satellite

Sentinel-1D is an upcoming European radar imaging satellite. It is the second of two additional satellites in the Sentinel-1 constellation, part of the European Union‘s Copernicus programme on Earth observation. The satellite is equipped with a C–SAR sensor, capable of providing high-resolution imagery regardless of weather conditions.[6][7][8][9] Sentinel-1D will be launched on Ariane 6 in late 2025.[10]

Timeline

Development contract was signed with Thales Alenia Space of Italy in December 2015.[11] In November 2022, the satellite’s launch was scheduled for the second half of 2024.[12] In January 2025, ESA signed a contract with Arianespace to launch the satellite in the second half of 2025 on Ariane 6.[13]

In September 2025 the satellite was transported from the cleanroom in Cannes, France, via Turin, Italy to French Guiana by the Ukrainian Antonov Airlines.[14][15] At the same time, control teams at ESOC begun simulations of the Sentinel-1D’s Launch and Early Orbit Phase (LEOP). This is the first time an ESOC-operated satellite is launching on Ariane 6.[16]

In early October 2025, the satellite has undergone functional tests and had its AIS antenna assemblies integrated.[17] The spacecraft Flight Readiness Review took place in mid-October, paving the way for fuelling. By 20 October, the spacecraft was fuelled and ready for encapsulation on 24 October.[18] The launch is planned for 4 November 2025.[19]

See also

References

  1. ^ a b “Facts and figures / Sentinel-1”. ESA. Retrieved 28 April 2016.
  2. ^ “Thales Alenia Space flies high at the Space Symposium”. Thales Group. 13 April 2015. Retrieved 28 April 2016.
  3. ^ a b “Sentinel 1A, 1B, 1C, 1D”. Gunter’s Space Page. Retrieved 28 April 2016.
  4. ^ JOSEPH-GABRIEL, Daphné (2025-10-06). “Arianespace to launch EU’s Copernicus Sentinel-1D satellite on November 4, 2025, with Ariane 6”. Newsroom Arianespace. Retrieved 2025-10-06.
  5. ^ “ESA – Sentinel-1”. Retrieved 18 January 2022.
  6. ^ “Sentinel-1 D Satellite Mission Summary | CEOS Database”. database.eohandbook.com. Retrieved 2025-10-06.
  7. ^ “WMO OSCAR | Satellite: Sentinel-1D”. space.oscar.wmo.int. Retrieved 2025-10-06.
  8. ^ “Countdown to launch – Copernicus Sentinel-1D lifts off in November – European Commission”. defence-industry-space.ec.europa.eu. Retrieved 2025-10-06.
  9. ^ JOSEPH-GABRIEL, Daphné (2025-10-06). “Arianespace to launch EU’s Copernicus Sentinel-1D satellite on November 4, 2025, with Ariane 6”. Newsroom Arianespace. Retrieved 2025-10-06.
  10. ^ “Ariane 6 to take Sentinel-1D into orbit”. www.esa.int. Retrieved 2025-10-06.
  11. ^ “Thales Alenia Inks Deal To Build 2 More Sentinel Satellites for ESA”.
  12. ^ “Arianespace supporting the European Union’s Copernicus programme with Vega C”. Arianespace (Press release). 29 November 2022. Retrieved 29 November 2022.
  13. ^ “Ariane 6 to take Sentinel-1D into orbit”. www.esa.int. Retrieved 2025-04-06.
  14. ^ “Copernicus Sentinel-1D manoeuvred into place”. www.esa.int. Retrieved 2025-10-06.
  15. ^ “Sentinel-1D in French Guiana for launch campaign”. www.esa.int. Retrieved 2025-10-06.
  16. ^ ““We know the drill”: Sentinel-1D begins streamlined simulations training”. www.esa.int. Retrieved 2025-10-06.
  17. ^ “Sentinel-1D preparations underway in Kourou”. www.esa.int. Retrieved 2025-10-08.
  18. ^ “Sentinel-1D fuelled and ready for encapsulation”. www.esa.int. Retrieved 2025-10-20.
  19. ^ JOSEPH-GABRIEL, Daphné (2025-10-06). “Arianespace to launch EU’s Copernicus Sentinel-1D satellite on November 4, 2025, with Ariane 6”. Newsroom Arianespace. Retrieved 2025-10-06.

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