BackForward Satellite: TanDEM-X 

Satellite details
Acronym TanDEM-X
Full name TerraSAR-X Add-oN for Digital Elevation Measurement
Satellite Description
  • 2nd flight unit of the TerraSAR programme.
  • Main mission: all-weather land observation, including surveillance and emergency management.  Specific for Digital Elevation Model (DEM) by interferometry with TerraSAR-X.
  • Significant contribution to temperature/humidity sounding.
Mass at launch 1340 kg Dry mass 1220 kg
Power 730 W
Data access link no link provided
Data access information
  • Data distributed by Astrium/Infoterra.
Orbit Sunsynchronous orbit Altitude 515 km
ECT 06:00 desc


Space agency DLR
Status Operational
Details on Status
(as available)
Launch 21 Jun 2010 EOL ≥2026
Last update: 2021-01-16
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 TanDEM-X

Acronym Full name
SAR-X Synthetic Aperture Radar (X-band)
TOR Tracking, Occultation and Ranging
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
SAR-X active 9650 - 9650 MHz N/R  kHz - A   X-band SAR