Satellite Pour l’Observation de la Terre - 4
4th flight unit of the SPOT programme.
Main mission: land observation.
Substantial contribution to Atmospheric chemistry.
Significant contribution to Space weather
Mass at launch
Data access link
Data access information
Both high resolution images and Végétation data distributed by SpotImage, now subsidiary of EADS (European Aeronautic Defence and Space Company) - Astrium.
Data from Végétation are also distributed by centres in Belgium, Sweden and Italy.
Data from POAM are distributed by the US Naval Research Laboratory (NRL).
, Spot Image
Details on Status
POAM inactive since 1st May 2006.
PASTEC defective since 2007 and finally deactived on end 2011.
24 Mar 1998
11 Jan 2013
Associated satellite programme and related satellites
Note: red tag: no longer operational , green tag: operational ,
blue tag : future
All known Instruments flying on
DORIS Doppler Orbitography and Radiopositioning Integrated by Satellite
HRVIR Haute Résolution dans le Visible et l’Infra-Rouge
PASTEC Technology Demonstration Passenger
POAM Polar Ozone and Aerosol Measurement
Show instrument status and calibration