WorldView-1 is a commercial earth observation satellite owned by DigitalGlobe. It was launched September 18, 2007, and DigitalGlobe plans to launch another, similar satellite after its construction is finished in late 2008. First imagery from WorldView-1 is expected to be available prior to October 18, the six-year anniversary of the launch of QuickBird, DigitalGlobe’s current satellite.
WorldView-1, was built by Ball Aerospace & Technologies. Ball Aerospace built the spacecraft bus and the camera (instrument) using the off-axis camera design identical to QuickBird with the instrument's focal plane being supplied by ITT Exelis. The camera is a panchromatic imaging system featuring half-meter resolution imagery. With an average revisit time of 1.7 days, WorldView-1 is capable of collecting up to 750,000 square kilometers (290,000 sq mi) per day of half-meter imagery.
WorldView-1 was partially financed through an agreement with the National Geospatial-Intelligence Agency (NGA). Some of the imagery captured by WorldView-1 for the NGA will not be available to the general public. However, WorldView-1 will free capacity on DigitalGlobe’s QuickBird satellite to meet the growing commercial demand for multi-spectral geospatial imagery.
WorldView-2 is a commercial Earth observation satellite owned by DigitalGlobe. WorldView-2 provides commercially available panchromatic imagery of .5 m resolution, and eight-band multispectral imagery with 1.8 m (5 ft 11 in) resolution. It was launched October 8, 2009 to become DigitalGlobe's third satellite in orbit, joining WorldView-1 which was launched in 2007 and QuickBird which was launched in 2001. It was built by Ball Aerospace , which includes an optical telescope that can image objects 18 in (460 mm) in diameter.
WorldView-2 was launched October 8, 2009 from Vandenberg Air Force Base on a Delta II flying in the 7920 configuration. The launch vehicle was provided by the United Launch Alliance and launch services were administered by Boeing.
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