description Sentinel-2B Overview
Part of Europe's Copernicus Programme, Sentinel-2B is an optical Earth observation satellite launched in 2017. Its multispectral imager records reflected light across 13 spectral bands, allowing analysts to examine differences that ordinary color photographs cannot show. A sun-synchronous orbit provides observations under broadly comparable lighting conditions, supporting the comparison of land surfaces over time. Sentinel-2B was designed to fly in the same orbital plane as Sentinel-2A, separated by 180 degrees to increase the frequency of observations.
Its imagery supports agricultural monitoring and forest management, as well as assessments of disasters and environmental change. The mission is particularly useful to people studying vegetation and land use across large areas. Coverage is systematic and repeated, but optical images can be obstructed by clouds, and the satellites do not continuously observe every point on Earth.
help Sentinel-2B FAQ
When was the Sentinel-2B satellite launched?
Sentinel-2B was launched on March 7, 2017, aboard a Vega rocket from French Guiana. It was deployed by the European Space Agency (ESA) as part of the Copernicus program.
What is the resolution of the imagery captured by Sentinel-2B?
The satellite provides multispectral optical imagery at a spatial resolution of up to 10 meters. This high resolution allows it to accurately monitor land surface conditions, vegetation, and water bodies.
How does Sentinel-2B work with the Sentinel-2A satellite?
Sentinel-2B flies in the same orbit as its twin satellite, Sentinel-2A, but is offset by 180 degrees. This formation allows the constellation to provide a combined revisit time of just 5 days at the equator, ensuring continuous monitoring.
What kind of sensor does Sentinel-2B use?
Sentinel-2B carries a Multispectral Instrument (MSI) that captures data in 13 distinct spectral bands. These bands cover visible, near-infrared, and shortwave-infrared light, making it highly effective for agricultural monitoring and forestry management.
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