BackForward Satellite: Terra 

Satellite details
Acronym Terra
Full name Earth Observation System - Terra
WIGOS Station Identifier ---
Satellite Description
  • 1st flight unit of the EOS programme.
  • Main mission: land and ocean observation, aerosol.
  • Substantial contribution to atmospheric radiation.
  • Significant contribution to atmospheric chemistry.
Mass at launch 5190 kg Dry mass 4864 kg
Power 2530 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 10:30 desc


Space agency NASA
Status Operational
Details on Status
(as available)
  • ASTER powered off in Sept 2022
Launch 18 Dec 1999 EOL ≥2027
Last update: 2023-12-18
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 Terra

Acronym Full name
ASTER Advanced Spaceborne Thermal Emission and Reflection radiometer
CERES Clouds and the Earth’s Radiant Energy System
MISR Multi-angle Imaging Spectro-Radiometer
MODIS Moderate-resolution Imaging Spectro-radiometer
MOPITT Measurement Of Pollution In The Troposphere
Show instrument status and calibration