Launched in:1992
Out of service since:2005
Repeat cycle:10 days
Orbit height:1336 km
Orbit type:Non Sun Synchronous
Organisation: NASA - USA
Operational until 9 October 2005

TOPEX/Poseidon websites


CNES - Home page
NASA JPL - Ocean Surface Topography missions
NASA JPL - Poseidon radar altimeter

Data ordering

IRI/LDEO Climate data library: Topex/Poseidon
ESA/CNES - BRAT: Broadview Radar Altimetry Toolbox
CNES Aviso - Products guide

On Board Sensors

ALT (Dual Frequency Radar Altimeter)
DORIS (Doppler Orbitography and Radiopositioning Integrated by Satellite)
TMR (TOPEX Microwave Radiometer)