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S A T E L L I T E I M A G E RY | G I S, P H O T O G R A M M E T R Y & R E M O T E S E N S I N G S O F T W A R E

GEOEYE 2 scheduled for launch in 2012 to be fully operational in 2013.
GeoEye2 will have a 33-centimeter resolution.

IKONOS High Resolution Commercial Satellite Imagery - 80cm

The IKONOS satellite was the world's first commercial satellite to collect black-and-white (panchromatic) images with 1-meter resolution, and multispectral imagery with 4-meter resolution. Imagery from the panchromatic and multispectral sensors can be merged to create 1-meter color imagery (pan-sharpened). To date, IKONOS has collected more than 250 million square kilometers of imagery over every continent. IKONOS imagery is being used for national security, military mapping, air and marine transportation, and by regional and local governments. The IKONOS satellite weighs about 1600 pounds. From a 423 mile (680 km) high, sun-synchronous orbit, IKONOS passes any given longitude at about the same local time (10:30 A.M.) daily and has a revisit time of once every three days. The satellite downlinks directly to more than a dozen ground stations around the globe.

GeoEye1 High Resolution Commercial Satellite Imagery - 50cm

GeoEye 1 images at 0.41-meters or 16 inches for panchromatic (black and white) imagery and multispectral (color) imagery at 1.65-meter resolution. However, due to U.S. Government licensing restrictions, commercial customers will have access to imagery at half-meter ground resolution.
The satellite is designed to offer three-meter accuracy, which means that end users can map natural and man-made features to within three meters of their actual locations on the surface of the Earth without ground control points.

GeoEye Constallation

GeoEye-2
The GeoEye-2 satellite is currently under construction with an expected start of
commercial operations to be in 2013. It will have agile Control Moment Gyros
(CMGs) with direct regional tasking and downlink capabilities. GeoEye-2
leverages 50 years of Lockheed Martin heritage in the reconnaissance,
surveillance, environmental resources, and space science industries. Remote
sensing is a Lockheed Martin business. They have built and launched over 500
low-Earth-orbit satellites to date.

GeoEye-1's High-Level Accuracy

A team from the Cooperative Research Centre for Spatial Information at the University Melbourne set out to benchmark georeferencing accuracy of GeoEye-1 stereo imagery and quite outstanding results were achieved, namely an attainable accuracy of 10cm (0.2 pixels) in planimetry and 25cm (0.5 pixels) in height.

To read the full report, click here http://www.asprs.org/publications/pers/2009journal/june/feature.pdf