BackForward Satellite: TanDEM-X 

Satellite details
Acronym TanDEM-X
Full name TerraSAR-X Add-oN for Digital Elevation Measurement
WIGOS Station Identifier ---
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: 2024-05-02
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
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
SAR-X active 10 GHz - 9.65 GHz 0 MHz - X-band SAR