What are the key differences between Sentinel-3 and Sentinel-3A?

Compare Sentinel-3 and Sentinel-3A side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Sentinel-3 and Sentinel-3A scored?

Sentinel-3 has an AI score of 8.7/10 and Sentinel-3A has an AI score of 8.1/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Sentinel-3 vs Sentinel-3A 2026 - Compared

Sentinel-3

Sentinel-3A

WINNER Sentinel-3

Sentinel-3 edges ahead with a score of 8.7/10 compared to 7.5/10 for Sentinel-3A. While both are highly rated in their r...

emoji_events WINNER

Sentinel-3

8.71 Great

Space Mission Get Sentinel-3 open_in_new

Sentinel-3 edges ahead with a score of 8.7/10 compared to 7.5/10 for Sentinel-3A. While both are highly rated in their respective fields, Sentinel-3 demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Sentinel-3

verified Confidence: Low

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description Overview

Sentinel-3

Sentinel-3 is an Earth observation satellite mission developed by the European Space Agency as part of the Copernicus Programme. The initial satellite, Sentinel-3A, was launched in 2016 to accurately measure sea surface topography, sea and land surface temperatures, and ocean color. The mission is designed to provide continuous, global data for ocean forecasting and environmental monitoring, prima...

Sentinel-3A

Sentinel-3A is an Earth-observation satellite operated as part of the European Union's Copernicus program, with the European Space Agency responsible for its development. Launched in 2016, it measures sea-surface topography, ocean and land temperature, and the color of oceans and land. Its data support environmental monitoring, climate research, ocean forecasting, and management of terrestrial and...