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]
Quick facts Mission type, Operator ...
Sentinel-3C Vector drawing of the Sentinel-3 |
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| Mission type | Earth observation |
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| Operator | ESA · EUMETSAT |
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| Website | Sentinel-3 (ESA) |
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| Mission duration | Planned: 7 years |
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| Spacecraft type | Sentinel-3 |
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| Bus | Prima |
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| Manufacturer | Thales Alenia Space |
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| Launch mass | 1,250 kg (2,756 lb)[1] |
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| Dry mass | 1,150 kg (2,535 lb)[2] |
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| Dimensions | 3.9 × 2.2 × 2.2 m (12.8 × 7.2 × 7.2 ft)[1] |
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| Power | 2,300 watts[2] |
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| Launch date | 2026 (planned) |
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| Rocket | Vega-C |
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| Launch site | Kourou, ELV |
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| Contractor | Avio |
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| Reference system | Geocentric |
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| Regime | Sun-synchronous |
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| Band | S band (TT&C support)
X band (science data) |
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| Bandwidth | S band: 64 kbit/s uplink, 1 Mbit/s downlink
X band: 2 × 280 Mbit/s |
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| Instruments |
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| OLCI | Ocean and Land Colour Instrument |
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| SLSTR | Sea and Land Surface Temperature Radiometer |
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| SRAL | Synthetic Aperture Radar Altimeter |
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| MWR | Microwave Radiometer |
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| DORIS | Doppler Orbitography and Radiopositioning Integrated by Satellite |
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| LRR | Laser Retro-Reflector |
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| GNSS | Global Navigation Satellite System |
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