description Fengyun-3D Overview
Fengyun-3D is a Chinese polar-orbiting meteorological satellite launched in 2017 by the China National Space Administration. Operating within the Fengyun satellite series, it carries a suite of instruments, including the Medium Resolution Spectral Imager-II (MERSI-II). This sensor provides global imagery in multiple spectral bands at resolutions down to 250 meters, supporting weather forecasting, disaster monitoring, and environmental studies. The satellite is operated by the China Meteorological Administration.
help Fengyun-3D FAQ
What does the MERSI-II instrument on Fengyun-3D observe?
MERSI-II is a multispectral imaging instrument used to observe clouds, land surfaces, oceans, aerosols, and environmental change. It expanded the spectral coverage available from China's polar-orbiting Fengyun-3 program.
When and where was Fengyun-3D launched?
Fengyun-3D was launched in November 2017 aboard a Long March 4C rocket. The launch took place from the Taiyuan Satellite Launch Center in China.
Is Fengyun-3D geostationary or polar-orbiting?
It is a polar-orbiting meteorological satellite, so it passes over different parts of Earth as the planet rotates beneath it. This differs from China's Fengyun-4 satellites, which observe continuously from geostationary orbit.
How is Fengyun-3D used in weather forecasting?
Its instruments collect atmospheric temperature, humidity, cloud, radiation, and surface observations for numerical weather prediction and climate monitoring. The satellite forms part of China's operational meteorological system rather than serving as a single experimental mission.
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