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Constellations
Constellation profile

Sentinel-3

Copernicus ocean/land/atmospheric observation mission. Sentinel-3C is the next planned spacecraft in the series.

European Space Agency (ESA)Service start: Jan 1, 2016
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Linked spacecraft
0
Rows currently linked to this constellation.
Active linked
0
Derived from linked spacecraft status.
Future linked
0
Spacecraft rows marked future.
Planned target

Forecasted Satellites

2 forecast rows linked to this constellation.

2 satellites2026-2028Forecast table
Forecast entryYearSatellitesOrbitVehicleManufacturerMissionLaunch likelihood
Sentinel-3C & FLEX

Linked Spacecraft

0 linked spacecraft shown.

SpacecraftStatusOrbitLaunch date

No linked spacecraft

No spacecraft rows are currently linked to this constellation.

No linked spacecraft

No spacecraft rows are currently linked to this constellation.

2
0% active share against stated target.
Sentinel-3C continues Copernicus ocean and land monitoring; FLEX carries the FLORIS imaging spectrometer to map vegetation fluorescence.
2026
1
SSO/Polar
Vega C
Thales Alenia Space
Earth Observation
5 / 5
Sentinel-3D
Copernicus continuity mission measuring ocean colour, sea and land surface temperature, and surface topography.
20281SSO/PolarVega CThales Alenia SpaceEarth Observation5 / 5
Sentinel-3C & FLEX
Vega C · SSO/Polar
1
2026
Manufacturer
Thales Alenia Space
Mission
Earth Observation
Launch likelihood
5 / 5
Sentinel-3D
Vega C · SSO/Polar
1
2028
Manufacturer
Thales Alenia Space
Mission
Earth Observation
Launch likelihood
5 / 5
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