BackForward Satellite: Envisat 

Satellite details
Acronym Envisat
Full name Environmental Satellite
WIGOS Station Identifier ---
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
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)
Show instrument status and calibration
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
RA-2 active 3 GHz - 3.2 GHz 0 MHz - S-band radar altimeter
RA-2 active 14 GHz - 13.6 GHz 0 MHz - Ku-band radar altimeter
MWR passive 23.8 GHz 650 MHz - Water vapour channel (supporting altimeter)
MWR passive 36.5 GHz 650 MHz - Window channel (supporting altimeter)
ASAR active 5 GHz - 5.331 GHz 0 MHz - C-band SAR