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QuickBird was launched on October 18, 2001 from Vandenberg Air Force Base, California. The owner is DigitalGlobe (USA). The satellite was set into near-earth sun-synchronic orbit at the height of 450 km enabling surveying of any area each 1-5 days depending on latitude. QuickBird offers satellite surface imagery with spatial resolution of 61 cm in panchromatic mode and 2.44 m in multispectral mode at nadir. The main advantage of QuickBird is broad swath width (scene size – 16,5 õ 16,5 km), high metric accuracy, capability of ordering irregular shape area including contiguous area with track width up to 2 km. Orbiting time – 7 years. Basic characteristics: | Launch date: October 18, 2001 | | Mode: | Panchromatic | Multispectral | | Spectral bands (mkm): | 0.445-0.90 | blue: 0.45-0.52 green: 0.52-0.60 red: 0.63-0.69 near IR: 0.76-0.90 | | Spatial resolution at nadir: | 61 cm | 2.44 m | | Swatch Width: | 16.5 km | | Maximum off-nadir angle: | 45° | | Swatch Width | 16.5 m | | Metric accuracy: | CE90 = 23 m | | Radiometric resolution: | 11 bits per pixel | | File format: | GeoTIFF, NITF | | Processing: | Radiometric, sensor and geometric correctionMapped to a cartographic projection | | Revisit time: | 1-5 days (depending on altitude) | | Stereo imagery: | N/A |
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