BackForward Satellite: Aura 

Satellite details
Acronym Aura
Full name Earth Observation System - Aura
Satellite Description
  • 3rd (last) flight unit of the EOS programme.
  • Main mission: atmospheric chemistry.
Mass at launch 2967 kg Dry mass
Power 4600 W
Data access link
Data access information
  • For HIRDLS, MLS and OMI, the data are held at the Goddard Earth Science DISC.
  • For TES, the data are held at the NASA Langley Atmospheric Sciences Data Center.
  • The Aura instrument validation data are held at the Aura Validation Data Center at Goddard Space Flight Center.
Orbit Sunsynchronous orbit Altitude 705 km
ECT 13:40 asc


Space agency NASA
Status Operational
Details on Status
(as available)
Launch 15 Jul 2004 EOL ≥2023
Last update: 2022-03-21
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 Aura

Acronym Full name
HIRDLS High-Resolution Dynamics Limb Sounder
MLS Microwave Limb Sounder
OMI Ozone Monitoring Instrument
TES-limb Tropospheric Emission Spectrometer
TES-nadir Tropospheric Emission Spectrometer
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
MLS passive 112150 - 123850 MHz N/R  kHz - A   9 sub-bands, for temperature and pressure
MLS passive 186100 - 193900 MHz N/R  kHz - A   6 sub-bands, mainly for H2O and HNO3
MLS passive 235450 - 244550 MHz N/R  kHz - A   7 sub-bands, mainly for O3 and CO
MLS passive 634150 - 645850 MHz N/R  kHz - A   9 sub-bands, mainly for N2O, HCl, ClO, HOCl, BrO, HO2 and SO2
MLS passive 2496750 - 2503250 MHz N/R  kHz - A   5 sub-bands, mainly for OH