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WorldView-2 provides commercially available panchromatic imagery of 0.46 m (18 in) resolution, and eight-band multispectral imagery with 1.84 m (72 in) resolution. [ 4 ] It was launched 8 October 2009 to become DigitalGlobe's third satellite in orbit, joining WorldView-1 which was launched in 2007 and QuickBird which was launched in 2001. [ 5 ]
The WorldView-4 satellite was designed to provide panchromatic images at a highest resolution of 31 cm (12 in), and multispectral images at 124 cm (49 in). [32] Originally named GeoEye-2, the spacecraft was designed and built by Lockheed Martin , [ 33 ] while the camera payload was provided by ITT Corporation .
Ball Aerospace built the WorldView-1 satellite bus and camera using an 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 ...
WorldView-3 (WV 3) is a commercial Earth observation satellite owned by DigitalGlobe.It was launched on 13 August 2014 to become DigitalGlobe's sixth satellite in orbit, joining Ikonos which was launched in 1999, QuickBird in 2001, WorldView-1 in 2007, GeoEye-1 in 2008, and WorldView-2 in 2009.
QuickBird was a high-resolution commercial Earth observation satellite, owned by DigitalGlobe, launched in 2001 and reentered after orbit decay in 2015. QuickBird used Ball Aerospace's Global Imaging System 2000 (BGIS 2000).
The system was delivered to Lockheed Martin in April 2012, [18] and was mated to the satellite bus the following month. [19] DigitalGlobe agreed to purchase GeoEye in July 2012, [20] and finalized the merger in January 2013. [21] At the time, each company had a satellite being prepared for launch: WorldView-3 and GeoEye-2.
GeoEye-1 provides 0.41 m (16 in) panchromatic and 1.65 m (5.4 ft) multispectral imagery at nadir in 15.2 km (9.4 mi) swaths. The spacecraft is in a Sun-synchronous orbit at an altitude of 681 km (423 mi) and an inclination of 98 degrees, with a 10:30 a.m. equator crossing time. [3] [12] [13] GeoEye-1 can image up to 60 degrees off nadir.
The GeoEye-2 satellite is designed to provide panchromatic images at a highest resolution of 0.31 meters per pixel (12.2 in/px), and multispectral images at 1.24 meters per pixel (48.8 in/px). [20] The spacecraft was designed and built by Lockheed Martin, [ 21 ] while the camera payload was provided by ITT Corporation .
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