BackForward Satellite: Aqua 

Satellite details
Acronym Aqua
Full name Earth Observation System - Aqua
Satellite Description
  • 2nd flight unit of the EOS programme.
  • Main mission: demonstration of advanced sensors for operational meteorology.
  • Substantial contribution to land and ocean observation, aerosol, atmospheric radiation.
Mass at launch 2934 kg Dry mass 2832 kg
Power 4860 W
Data access link
Data access information
  • All data available in real-time through X-band Direct Broadcast. More info at NASA Direct Readout Laboratory.
  • All data available off-line from EOSDIS.
Orbit Sunsynchronous orbit Altitude 705 km
ECT 13:30 asc


Space agency NASA
Status Operational
Details on Status
(as available)
Launch 04 May 2002 EOL ≥2023
Last update: 2021-06-14
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 Aqua

Acronym Full name
AIRS Atmospheric Infra-Red Sounder
AMSR-E Advanced Microwave Scanning Radiometer for EOS
AMSU-A Advanced Microwave Sounding Unit - A
CERES Clouds and the Earth’s Radiant Energy System
HSB Humidity Sounder for Brazil
MODIS Moderate-resolution Imaging Spectro-radiometer
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
AMSU-A passive 23800 MHz 270000  kHz V A   Water vapour channel
AMSU-A passive 31400 MHz 180000  kHz V A   Window channel
AMSU-A passive 50120 - 57620 MHz N/R  kHz H or V A   Oxygen band, 12 channels
AMSU-A passive 89000 MHz 6000000  kHz V A   Window channel
HSB passive 150000 MHz 1000000  kHz V A   Weak water vapour channel
HSB passive 175310 - 191310 MHz N/R  kHz V A   Water vapour band, 3 channels
AMSR-E passive 6925 MHz 350000  kHz H&V A   Window channel
AMSR-E passive 10650 MHz 100000  kHz H&V A   Window channel
AMSR-E passive 18700 MHz 200000  kHz H&V A   Window channel
AMSR-E passive 23800 MHz 400000  kHz H&V A   Water vapour channel
AMSR-E passive 36500 MHz 1000000  kHz H&V A   Window channel
AMSR-E passive 89000 MHz 3000000  kHz H&V A   Window channel