IKONOS Images Characteristic


Satellite Orbital

Organization GeoEye
Mission Type Earth observation
Contractor Lockheed Martin Space Systems
Satellite of Earth
Launch September 24, 1999 on an Athena 2
Launch site Vandenberg Air Force Base
Mission duration 7 years
Mass 726 kg (launch)
Semimajor Axis 7056.97 km
Eccentricity 0.00013
Inclination 98.10 degrees, sun synchronous
Orbital Period 98.33 minutes
Right ascension of the ascending node 68.015 degrees
Argument of perigee 93.06 degrees
Speed on Orbit





















7.5 kilometers per second

Speed Over the Ground





















6.8 kilometers per second

Revolutions Around the Earth





















14.7, every 24 hours

Altitude





















681 kilometers

Resolution at Nadir





















0.82 m panchromatic; 3.2 m multispectral

Resolution 26° Off-Nadir





















1.0 m panchromatic; 4.0 m multispectral

Image Swath





















11.3 kilometers at nadir; 13.8 kilometers at 26° off-nadir

Equator Crossing Time





















Nominally 10:30 AM solar time

Revisit Time





















Approximately 3 days at 40° latitude

Dynamic Range





















11-bits per pixel

Image Bands





















Panchromatic, blue, green, red, near IR



Sensor Characteristic

Sensor Band Spectral Range Scene Size Pixel Res
Multi-spectral 1 = Blue 455 - 520 nm 11 x 11 km 4 meter
2 = Green 510 - 600 nm
3 = Red 630 - 700 nm
4 = NIR 760 - 850 nm
Panchromatic Pan 450 - 900 nm 1 meter


References:
- Wikipedia, IKONOS.
- Satellite Imaging Corporation, Ikonos Satellite Images and Sensor Spesifications.