Sentinel-3C

Sentinel-3C
Vector drawing of the Sentinel-3
Mission typeEarth observation
OperatorESA · EUMETSAT
WebsiteSentinel-3 (ESA)
Mission durationPlanned: 7 years
Spacecraft properties
Spacecraft typeSentinel-3
BusPrima
ManufacturerThales Alenia Space
Launch mass1,250 kg (2,756 lb)[1]
Dry mass1,150 kg (2,535 lb)[2]
Dimensions3.9 × 2.2 × 2.2 m (12.8 × 7.2 × 7.2 ft)[1]
Power2,300 watts[2]
Start of mission
Launch dateSeptember 2026 (planned)
RocketVega-C
Launch siteKourou, ELV
ContractorAvio
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous
Transponders
BandS band (TT&C support)
X band (science data)
BandwidthS band: 64 kbit/s uplink, 1 Mbit/s downlink
X band: 2 × 280 Mbit/s

Sentinel-3C is a future European Earth observation satellite dedicated to oceanography which is expected to launch in September 2026.[3][4][5] It is part of the European Union's Copernicus Programme, and the third of four planned Sentinel-3 satellites (after Sentinel-3B, launched in 2018).[6][7][8][9][10][11] The satellite's prime contractor is Thales Alenia Space.[12]

See also

References

  1. 1 2 "Copernicus: Sentinel-3". eoPortal. European Space Agency. Retrieved 25 April 2018.
  2. 1 2 "Satellite: Sentinel-3B". World Meteorological Organization. Archived from the original on 18 February 2018. Retrieved 25 April 2018.
  3. ↑ "Sentinel-3 | CNES". cnes.fr. Archived from the original on 20 July 2025. Retrieved 19 October 2025.
  4. ↑ "À Cannes, Thales Alenia Space prépare le futur de la surveillance des océans avec Sentinel-3D". Tribuca.net (in French). 20 October 2025. Retrieved 19 October 2025.
  5. ↑ "Sentinel-3". www.esa.int. Retrieved 5 June 2026.
  6. ↑ "Sentinel 3A, 3B, 3C, 3D". Gunter's Space Page. Retrieved 19 October 2025.
  7. ↑ "Sentinel-3C | Vega C | Next Spaceflight". nextspaceflight.com. Retrieved 19 October 2025.
  8. ↑ "Sentinel-3". www.esa.int. Retrieved 19 October 2025.
  9. ↑ "Facts and figures". www.esa.int. Retrieved 19 October 2025.
  10. ↑ "Search". www.esa.int. Retrieved 19 October 2025.
  11. ↑ "Launches secured for five Sentinel satellites". www.esa.int. Retrieved 19 October 2025.
  12. ↑ "Thales Alenia Space: awarded a contract by ESA to build Sentinel-3C and D satellites". www.leonardo.com. Retrieved 22 August 2026.

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