Science
SENTINEL-3B
Ocean / Land Monitor · ESA / EUMETSAT
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Flying offset from Sentinel-3A by half an orbit, Sentinel-3B doubles ocean and land monitoring coverage. Together the pair provides the most complete operational picture of global sea surface temperature and ocean color ever achieved — data feeding fisheries management, shipping, and climate models serving hundreds of millions of people.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 501–502 mi (806–808 km)
- Inclination
- 98.6°
- One orbit
- 100.9 minutes14.3 orbits a day
- NORAD ID
- 43437
- Int’l designator
- 2018-039A
- Launched
- 2018
Orbital elements from CelesTrak, as of 22 Sep 2026.
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