POLDER
From Wikipedia, the free encyclopedia
This article is about the environmental satellite radiometer. For the terrain type, see Polder.
POLDER (POLarization and Directionality of the Earth's Reflectances) is a passive optical imaging radiometer[2] and polarimeter[3] instrument developed by the French space agency CNES.
Quick Facts Mission type, Operator ...
Mission type | Earth observation |
---|---|
Operator | CNES |
Website | CNES Page |
Spacecraft properties | |
Launch mass | ~30 kg (66 lb) |
Power | 30W |
Start of mission | |
Launch date | August 17, 1996 (UTC) (1996-08-17Z) |
Rocket | H-II (POLDER 1)[1] |
Launch site | Tanegashima Space Center |
Main push broom scanner | |
Type | Telecentric lens |
Focal length | 3.57 mm (0.141 in) |
Wavelengths | 443 and 910 nm FWHM |
Resolution | 242x548 pixels |
Transponders | |
Band | Formed broad beam pattern UHF antenna |
TWTA power | >5W |
EIRP | 27.1 dBm |
POLDER 2 → |
Close
Quick Facts Mission type, Operator ...
Mission type | Earth observation |
---|---|
Operator | CNES |
Website | CNES Page |
Spacecraft properties | |
Launch mass | ~30 kg (66 lb) |
Power | 30W |
Start of mission | |
Launch date | December 14, 2002 (UTC) (2002-12-14Z) |
Rocket | H-IIA (POLDER 1)[1] |
Launch site | Tanegashima Space Center |
Main push broom scanner | |
Type | Telecentric lens |
Focal length | 3.57 mm (0.141 in) |
Wavelengths | 443 and 910 nm FWHM |
Resolution | 242x548 pixels |
Transponders | |
Band | Formed broad beam pattern UHF antenna |
TWTA power | >5W |
EIRP | 27.1 dBm |
← POLDER 1 POLDER 3 → |
Close
Quick Facts Mission type, Operator ...
Mission type | Earth observation |
---|---|
Operator | CNES |
Website | CNES Page |
Spacecraft properties | |
Launch mass | ~30 kg (66 lb) |
Power | 30W |
Start of mission | |
Launch date | December 18, 2004 (UTC) (2004-12-18Z) |
Rocket | Ariane 5G |
Launch site | Guiana Space Centre |
Main push broom scanner | |
Type | Telecentric lens |
Focal length | 3.57 mm (0.141 in) |
Wavelengths | 443 and 910 nm FWHM |
Resolution | 242x548 pixels |
Transponders | |
Band | Formed broad beam pattern UHF antenna |
TWTA power | >5W |
EIRP | 27.1 dBm |
← POLDER 2 |
Close