BackForward 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
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
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
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