BackForward Satellite: CRISTAL 

Satellite details
Full name Copernicus polaR Ice and Snow Topography ALtimeter
Satellite Description
  • One of the high-priority Copernicus Sentinel Expansion Missions.
  • Mission: to measure and monitor sea-ice thickness and overlying snow depth.
  • To operate in a constellation of (initially two) identical satellites, covering a period > 7 years.
  • For more details, see
Mass at launch Dry mass
Data access link no link provided
Data access information
Orbit Drifting orbit Altitude 717 km
Inclination 92 °


Status Considered
Details on Status
(as available)
  • Funding to be confirmed by EU.
Launch EOL
Last update: 2021-11-22
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 CRISTAL

Acronym Full name
IRIS Interferometric Radar altimeter for Ice and Snow
AMR-C Advanced Microwave Radiometer - C
LRR Laser Retro-Reflector
GPS GPS Receiver
Show instrument status and calibration