MERSI is a scanner carried aboard the third FengYun ("Wind and Cloud") series of meteorological satellites launched by China.

FY-3A, launched June 2008, operates from a sunsynchronous polar-orbit at an average altitude of 836.4km. At this orbit FY-3A crosses overhead at about 10:10 a.m. local time everyday.

FY-3A carries a version of MERSI which images 20 spectral bands:

Channel Wavelength (um) Primary Use
1 0.445-0.495 250m
2 0.525-0.575 250m
3 0.625-0.675 250m
4 0.84-0.89 250m
5 10.25-12.75 250m
6 0.402-0.422 1000m
7 0.433-0.453 1000m
8 0.48-0.5 1000m
9 0.51-0.53 1000m
10 0.555-0.575 1000m
11 0.64-0.66 1000m
12 0.675-0.695 1000m
13 0.755-0.775 1000m
14 0.855-0.875 1000m
15 0.895-0.915 1000m
16 0.93-0.95 1000m
17 0.97-0.99 1000m
18 1.02-1.04 1000m
19 1.615-1.665 1000m
20 2.105-2.155 1000m

See Also: VIRR on the same spacecraft

See Also: EOPortal


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