A series of US commercial imaging satellites by DigitalGlobe Inc. that provide images with a resolution of 0.5 m panchromatic and 2 m multispectral. WorldView-1 was launched on 18 September 2007, from California, into a Sun-synchronous circular orbit at an altitude of 496 km. WorldView-2, with image resolution 0.46 cm panchromatic, 1.8 m multispectral, was launched on 8 October 2009, from California, into a Sun-synchronous near-circular orbit at an altitude of 767 km. WorldView-3, image resolution 31 cm panchromatic, 1.24 m multispectral, was launched on 31 August 2014, into a Sun-synchronous orbit at 617 km. WorldView-4, resolution 25 cm panchromatic, 1 m multispectral, was launched on 11 November 2016, from California, into a Sun-synchronous orbit at 617 km.