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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
Satellite payload
All known instruments flying on
SPOT-4
* The information in this field is estimated or assumed