| 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) |
| 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 |
| 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) |
| 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 |
| 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) |
| 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 (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.