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4. FY-3B

FY-3B Satellite

Description

• 2nd flight unit of the FY-3 series.
• Main mission: operational meteorology.
• Substantial contribution to ocean and ice monitoring, climate monitoring.
• Significant contribution to atmospheric chemistry and space weather.

Orbit	Sunsynchronous orbit
Altitude	836 km
ECT	13:40 asc
Mass at launch	2298 kg
Dry mass	2234 kg
Power	2480 W
Launch	2010-11-05
End of service	2020-06-01

Instruments

Picture	Acronym	Full name
	MERSI-I	Medium Resolution Spectral Imager-I
	VIRR	Visible and Infra-Red Radiometer
	IRAS	Infra Red Atmospheric Sounder
	MWTS-I	Micro-Wave Temperature Sounder-I
	MWHS-I	Micro-Wave Humidity Sounder-I
	MWRI-I	Micro-Wave Radiation Imager-I
	TOU	Total Ozone Unit
	SBUS	Solar Backscatter Ultraviolet Sounder
	ERM-I	Earth Radiation Measurement-I
	SIM-I	Solar Irradiance Monitor-I
	SEM	Space Environment Monitor

Data Circulation

DPT (Delayed Picture Transmission) to acquire the on-board stored global data.

MPT (Medium-resolution Picture Transmission), for X-band real-time broadcasting of information of MERSI data.

HRPT (High Resolution Picture Transmission) for real-time broadcasting of full information of instruments aboard but MERSI.

Products

Instrument	Datasets
MERSI-I	L1 data,  L2L3 product
VIRR	L1 data,  L2L3 product
IRAS	L1 data,  L2L3 product
MWTS-I	L1 data
MWHS-I	L1 data,  L2L3 product
MWRI-I	L1 data,  L2L3 product
TOU	L1 data,  L2L3 product
SBUS	L1 data,  L2L3 product
ERM-I	L1 data
SIM-I	L1 data
SEM	L1 data
MULSS	L2L3 product
ERBM	L2L3 product

Gallery