WMO OSCAR | Satellite: Envisat

Satellite: Envisat

Satellite details

Acronym	Envisat
Full name	Environmental Satellite
Satellite Description	Single flight unit of the Envisat programme. Main missions: atmospheric chemistry, climatology, ocean and ice. Substantial contribution to land observation.
Mass at launch	8140 kg	Dry mass	7821 kg
Power	6500 W
Data access link	no link provided
Data access information	Most products available from the PACs (UK-PAC, D-PAC, I-PAC, F-PAC, S-PAC and E-PAC). Several products available in Near-Real-Time. For details, see https://earth.esa.int/browse-data-products.
Orbit	Sunsynchronous orbit	Altitude	774 km
ECT	10:00 desc

Space agency	ESA
Status	Inactive
Details on Status (as available)	All instruments except GOMOS, failed in mid-2011, were operational, with a variable degree of degradation, till the EOL.
Launch	01 Mar 2002	EOL	08 Apr 2012
Last update:	2019-10-29

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 Envisat

Acronym	Full name
AATSR	Advanced Along-Track Scanning Radiometer
ASAR	Advanced Synthetic Aperture Radar
DORIS	Doppler Orbitography and Radiopositioning Integrated by Satellite
GOMOS	Global Ozone Monitoring by Occultation of Stars
LRR	Laser Retro-Reflector
MERIS	Medium Resolution Imaging Spectrometer
MIPAS	Michelson Interferometer for Passive Atmospheric Sounding
MWR	Micro-Wave Radiometer
RA-2	Radar Altimeter - 2
SCIAMACHY-limb	Scanning Imaging Absorption Spectrometer for Atmospheric Cartography (limb-scanning component)
SCIAMACHY-nadir	Scanning Imaging Absorption Spectrometer for Atmospheric Cartography (nadir-scanning component)

Satellite payload

All known instruments flying on Envisat

Instrument	Full name	Start date	EOL date	Status	Comments
AATSR	Advanced Along-Track Scanning Radiometer	Jun 2002 *	08 Apr 2012	N/A
ASAR	Advanced Synthetic Aperture Radar	Jun 2002 *	08 Apr 2012	N/A
DORIS	Doppler Orbitography and Radiopositioning Integrated by Satellite	Jun 2002 *	08 Apr 2012	N/A
GOMOS	Global Ozone Monitoring by Occultation of Stars	Jun 2002 *	Aug 2011	N/A	GOMOS failed in August 2011
LRR	Laser Retro-Reflector	Jun 2002 *	08 Apr 2012	N/A
MERIS	Medium Resolution Imaging Spectrometer	Jun 2002 *	08 Apr 2012	N/A
MIPAS	Michelson Interferometer for Passive Atmospheric Sounding	Jun 2002 *	08 Apr 2012	N/A
MWR	Micro-Wave Radiometer	Jun 2002 *	08 Apr 2012	N/A
RA-2	Radar Altimeter - 2	Jun 2002 *	08 Apr 2012	N/A
SCIAMACHY-limb	Scanning Imaging Absorption Spectrometer for Atmospheric Cartography (limb-scanning component)	Jun 2002 *	08 Apr 2012	N/A
SCIAMACHY-nadir	Scanning Imaging Absorption Spectrometer for Atmospheric Cartography (nadir-scanning component)	Jun 2002 *	08 Apr 2012	N/A

* The information in this field is estimated or assumed

Telecommunication frequency or microwave sensing channel information Show expert details

Service	Dir or Mode	Frequency	Bandwidth	Polarisation	D/A	Comments
RA-2	active	3200 - 3200 MHz	N/R kHz	-	A	S-band radar altimeter
RA-2	active	13600 - 13600 MHz	N/R kHz	-	A	Ku-band radar altimeter
MWR	passive	23800 MHz	650000 kHz	-	A	Water vapour channel (supporting altimeter)
MWR	passive	36500 MHz	650000 kHz	-	A	Window channel (supporting altimeter)
ASAR	active	5331 - 5331 MHz	N/R kHz	-	A	C-band SAR