BackForward Satellite: SPOT-4 

Satellite details
Acronym SPOT-4
Full name Satellite Pour l’Observation de la Terre - 4
Satellite Description
  • 4th flight unit of the SPOT programme.
  • Main mission: land observation.
  • Substantial contribution to Atmospheric chemistry.
  • Significant contribution to Space weather
Mass at launch 2755 kg Dry mass 2550 kg
Power 2200 W
Data access link http://www.astrium-geo.com
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).
Orbit Sunsynchronous orbit Altitude 832 km
ECT 10:30 desc

 

Space agency CNES , Spot Image
Status Inactive
Details on Status
(as available)
  • POAM inactive since 1st May 2006.
  • PASTEC defective since 2007 and finally deactived on end 2011.
Launch 24 Mar 1998 EOL 11 Jan 2013
Last update: 2017-01-05
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 SPOT-4

Acronym Full name
DORIS Doppler Orbitography and Radiopositioning Integrated by Satellite
HRVIR Haute Résolution dans le Visible et l’Infra-Rouge
PASTEC Technology Demonstration Passenger
Végétation Végétation
POAM Polar Ozone and Aerosol Measurement
Show instrument status and calibration