| Auto | all |
|---|---|
| Operator | ESA · EUMETSAT |
| Website | Sentinel-3 (ESA) |
| Mission duration | Planned: 7 years |
| Spacecraft bus | Prima |
| Manufacturer | Thales Alenia Space |
| Launch mass | 1,250 kg (2,756 lb)[1] |
| Dry mass | 1,150 kg (2,535 lb)[2] |
| Dimensions | 3.9 × 2.2 × 2.2 m (13 × 7.2 × 7.2 ft)[1] |
| Power | 2,300 watts[2] |
| Launch date | 2026 (planned) |
| Launch rocket | Vega-C |
| Launch site | Kourou, ELV |
| Launch contractor | Avio |
| Orbit reference | Geocentric |
| Orbit regime | Sun-synchronous |
| Apsis | gee |
| Trans band | S band (TT&C support) X band (science data) |
| Trans bandwidth | S band: 64 kbit/s uplink, 1 Mbit/s downlink X band: 2 × 280 Mbit/s |
| Programme | Sentinel-3 |
| Previous mission | Sentinel-3B |
| Next mission | Sentinel-3D |
| Programme 2 | Sentinel |
| Previous mission 2 | Sentinel-6B |
| Next mission 2 | CO2M-A (Sentinel-7A) |
| Acronym 1 | OLCI |
|---|---|
| Name 1 | Ocean and Land Colour Instrument |
| Acronym 2 | SLSTR |
| Name 2 | Sea and Land Surface Temperature Radiometer |
| Acronym 3 | SRAL |
| Name 3 | Synthetic Aperture Radar Altimeter |
| Acronym 4 | MWR |
| Name 4 | Microwave Radiometer |
| Acronym 5 | DORIS |
| Name 5 | Doppler Orbitography and Radiopositioning Integrated by Satellite |
| Acronym 6 | LRR |
| Name 6 | Laser Retro-Reflector |
| Acronym 7 | GNSS |
| Name 7 | Global Navigation Satellite System |
Sentinel-3C is a future European Earth observation satellite dedicated to oceanography which is expected to launch in 2026.[3][4] It is part of the Copernicus Programme, and the third of four planned Sentinel-3 satellites (after Sentinel-3B, launched on 16 February 2018).[5][6][7][8][9][10]
See also
References
- ^ "Copernicus: Sentinel-3". eoPortal. European Space Agency. Retrieved 25 April 2018.
- ^ "Satellite: Sentinel-3B". World Meteorological Organization. Archived from the original on 18 February 2018. Retrieved 25 April 2018.
- ^ "Sentinel-3 | CNES". cnes.fr. Archived 20 July 2025 at the Wayback Machine. Retrieved 2025-10-19.
- ^ "À Cannes, Thales Alenia Space prépare le futur de la surveillance des océans avec Sentinel-3D" (in fr-FR). Tribuca.net. 2025-10-20. Retrieved 2025-10-19.
- ^ "Sentinel 3A, 3B, 3C, 3D". Gunter's Space Page. Retrieved 2025-10-19.
- ^ "Sentinel-3C | Vega C | Next Spaceflight". nextspaceflight.com. Retrieved 2025-10-19.
- ^ "Sentinel-3". www.esa.int. Retrieved 2025-10-19.
- ^ "Facts and figures". www.esa.int. Retrieved 2025-10-19.
- ^ "Search". www.esa.int. Retrieved 2025-10-19.
- ^ "Launches secured for five Sentinel satellites". www.esa.int. Retrieved 2025-10-19.
External links
- Sentinel-3 program website by ESA
- Sentinel-3 website by the Copernicus Programme
- Real-time orbital tracking - uphere.space
- Sentinel-3C and Sentinel-3D side by side