Imagery Comparison


GeoEye-1 and IKONOS Feature Comparison


Satellite Feature GeoEye-1 IKONOS
Resolution .50-meter 1-meter
Spectral range (pan) 450-800 nm 526-929 nm
Blue 450-510 nm 445-516 nm
Green 510-580 nm 505-595 nm
Red 655-690 nm 632-698 nm
Near IR 780-920 nm 757-853 nm
Pan Resolution at nadir .41 meters .82 meters
Pan Resolution at 60 elevation .50-meters 1.0 meter
Multi-spectral Resolution at nadir 1.64 meters 3.28 meters
Swath width at nadir 15.2 km 11.3 km
Launch date 06-Sep-08 24-Sep-99
Life Cycle 7 years Over 8.5 years
Revisit Time 3 days at 40° latitude with elevation > 60° 3 days at 40° latitude with elevation > 60°
Orbital Altitude 681 km 681 km
Nodal Crossing 10:30 AM 10:30 AM
Approximate Archive size (km2) View Archive View Archive