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Satellite:
FY-4A
Satellite details
Acronym
FY-4A
Full name
Feng-Yun - 4A
Satellite Description
1st flight unit of the FY-4 programme.
Mission: operational meteorology.
Significant contribution to space weather.
Mass at launch
5300 kg
Dry mass
Power
3200 W
Data access link
http://satellite.nsmc.org.cn/portalsite/Data/DataView.aspx?SatelliteType=1&SatelliteCode=FY4A
Data access information
Near-real time availability of full resolution data by HRIT and (planned) by CMACast.
Availability of selected information by LRIT.
Meteorological warnings (WAIB) sharing the LRIT link.
Availability of DCP messages by land lines.
Orbit
Geostationary orbit
Altitude
35786 km
Longitude
104.7° E
Space agency
CMA
, NRSCC
Status
Operational
Details on Status (as
available)
Re-located from the initial position (99.5°E) to the current operational position (105°E nominal) on 16 April 2018
Launch
10 Dec 2016
EOL
≥2023
Last update:
2022-02-23
Associated satellite programme and related satellites
Note: red tag: no longer operational , green tag: operational ,
blue tag : future
Satellite Payload
All known Instruments flying on
FY-4A
Acronym
Full name
DCS
Data Collection Service
GIIRS
Geostationary Interferometric Infrared Sounder
LMI
Lightning Mapping Imager
AGRI
Advanced Geostationary Radiation Imager
SEP/HEPS
Space Environment Package / High Energy Particles Sensor
SEP-fields
Space Environment Package - fields
Show instrument status and calibration
Satellite Field of View
Estimate of the satellite's footprint, assuming a zenith angle of 75
° You can drag the image around and zoom using the
mousewheel
Satellite payload
All known instruments flying on
FY-4A
* The information in this field is estimated or assumed
Telecommunication frequency or microwave sensing channel information Show expert details
Service
Dir or Mode
Frequency
Emission designator
Bandwidth
Polarisation
D/A
Data rate or Baseband
Comments
CDAS
S-E
7500 MHz
100000 kHz
RHCP&LHCP
D
Raw data
HRIT
E-S
8185 MHz
20000 kHz
RHCP
D
High-resolution data
HRIT
E-S
8205 MHz
20000 kHz
RHCP
D
High-resolution data
HRIT
S-E
1681 MHz
12000 kHz
linear
D
High-resolution data
LRIT & WAIB
E-S
2057 MHz
1000 kHz
RHCP
D
Selected data and information
LRIT & WAIB
S-E
1697 MHz
2000 kHz
linear
D
Selected data and information
DCPS
E-S
401.1 - 401.4 MHz
3 kHz
RHCP
D
Regional DCP reports
DCPS
E-S
402 - 402.1 MHz
3 kHz
RHCP
D
International DCP reports
DCPS
S-E
1688 MHz
4000 kHz
linear
D
DCP report relay
TARS
E-S
2047 MHz
10000 kHz
RHCP
D
Ranging
TARS
S-E
2227 MHz
10000 kHz
RHCP
D
Ranging
TARS
S-E
1693 MHz
8000 kHz
linear
D
Ranging
T&C
E-S
2067.5 MHz
85000 kHz
RHCP
D
Telemetry and commands
T&C
S-E
2245 MHz
90000 kHz
RHCP
D
Telemetry and commands