WMO OSCAR | Satellite: FY-2A

Satellite: FY-2A

Satellite details

Acronym	FY-2A
Full name	Feng-Yun - 2A
WIGOS Station Identifier	---
Satellite Description	1st flight unit of the FY-2 series. Mission: operational meteorology. Significant contribution to Space weather.
Mass at launch	1200 kg	Dry mass	593 kg
Power	280 W
Data access link	http://nsmc.cma.gov.cn/NewSite/NSMC_EN/Channels/100028.html?reg=LAN&pas=CLC&col=COL&t=24
Data access information	Real-time availability of all data at the CDAS. Near-real time availability of full resolution S-VISSR images. Availability of image segments of S-VISSR in analog form by WEFAX. Availability of DCP messages by ground lines.
Orbit	Geostationary orbit	Altitude	35786 km
Longitude	105° E

Space agency	CMA , NRSCC
Status	Inactive
Details on Status (as available)	The quoted EOL refers to the S-VISSR regular operations. Afterwards, the instrument worked for short periods. The satellite was finally retired in April 2000.
Launch	10 Jun 1997	EOL	08 Apr 1998
Last update:	2019-05-30

Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Feng-Yun - 2
- FY-2A (1997 - 1998)
- FY-2B (2000 - 2004)
- FY-2C (2004 - 2009)
- FY-2D (2006 - 2015)
- FY-2E (2008 - 2018)
- FY-2F (2012 - 2022)
- FY-2G (2014 - 2025)
- FY-2H (2018 - 2025)

Satellite Payload

All known Instruments flying on FY-2A

Acronym	Full name
DCS	Data Collection Service
SEM	Space Environment Monitor
S-VISSR	Stretched Visible and Infrared Spin Scan Radiometer

Satellite Field of View

Estimate of the satellite's footprint, assuming a zenith angle of 75 °
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Satellite payload

All known instruments flying on FY-2A

Instrument	Full name	Start date	EOL date	Status	Instrument calibration
DCS	Data Collection Service	Sep 1997 *	08 Apr 1998	N/A
SEM	Space Environment Monitor	Sep 1997 *	08 Apr 1998	N/A
S-VISSR	Stretched Visible and Infrared Spin Scan Radiometer	Sep 1997 *	08 Apr 1998	N/A	gsics.nsmc.org.cn

* The information in this field is estimated or assumed

Satellite frequencies for Earth Observation, data transfer and platform communications and control

Frequencies for satellite management

Service	Direction	Frequency (MHz)	Emission designator	Bandwidth (kHz)	Polarisation	D/A	Comments
S-FAX	E-S	2059.5 MHz	26K0FXD	26 kHz	linear	A	Information
S-FAX	S-E	1699.5 MHz	26K0FXD	26 kHz	linear	A	Information
TC	E-S	2056.5 MHz - 2057.5 MHz	70K0FXD	70 kHz	linear	D	Telecommands

Frequencies for scientific data acquisition and communication services at ground stations

Service	Direction	Frequency (MHz)	Bandwidth (kHz)	Polarisation	D/A	Data rate (kbps) or Baseband (kHz)	Comments
CDAS	S-E	1681.6 MHz	20000 kHz	linear	D	14000 kbps	Raw data
S-VISSR	E-S	2047.5 MHz	2000 kHz	linear	D	660 kbps	High-resolution data
S-VISSR	S-E	1687.5 MHz	2000 kHz	linear	D	660 kbps	High-resolution data
WEFAX	E-S	2051 MHz	260 kHz	linear	A	1.7 kHz	Selected data
WEFAX	S-E	1691 MHz	260 kHz	linear	A	1.7 kHz	Selected data
DCP	E-S	401.1 MHz - 401.4 MHz	3 kHz	RHCP	D	0.600 kbps	Regional DCP reports
DCP	E-S	402 MHz - 402.1 MHz	3 kHz	RHCP	D	0.100 kbps	International DCP reports
Ranging	E-S	2050.5 MHz	1000 kHz	linear	D	500 kbps	Primary station
Ranging	S-E	1690.5 MHz	1000 kHz	linear	D	500 kbps	Primary station
Ranging	E-S	2046.5 MHz	1000 kHz	linear	D	500 kbps	Secondary station
Ranging	S-E	1686.5 MHz	1000 kHz	linear	D	500 kbps	Secondary station
Ranging	E-S	2044.5 MHz	1000 kHz	linear	D	500 kbps	Backup station
Ranging	S-E	1684.5 MHz	1000 kHz	linear	D	500 kbps	Backup station