IKONOS Satellite

IKONOS Satellite was launched in September 1999. IKONOS panchromatic sensor resolution is 1 m, and multispectral scanner resolution is 4 m. The swath width is 13 km at nadir. Accuracy with out ground control is 12 m horizontally, and 10 m vertically; with ground control it is 2 m horizontally, and 3 m vertically.

The orbits at an altitude of 423 miles, or 681 kilometers. Revisit time is 2.9 days at 1 m resolution, and 1.5 days at 1.5 m resolution.

IKONOS Satellite Sensor

It was a high-resolution imagery at 1- and 4-meter resolution. It collected Multispectral (MS) and Panchromatic (PAN) imagery.

Satellite Specifications

Launch Date24 September 1999 at Vandenberg Air Force Base, California, USA
Operational LifeOver 7 years
Orbit98.1 degree, sun synchronous
Speed on Orbit7.5 kilometers per second
Speed Over the Ground6.8 kilometers per second
Revolutions Around the Earth14.7, every 24 hours
Altitude681 kilometers
Resolution at Nadir0.80 meters panchromatic; 3.28 meters multispectral
Resolution 26° Off-Nadir1.0 meter panchromatic; 4.0 meters multispectral
Image Swath11.3 kilometers at nadir; 13.8 kilometers at 26° off-nadir
Equator Crossing TimeNominally 10:30 AM solar time
Revisit TimeApproximately 3 days at 40° latitude
Dynamic Range11-bits per pixel

Sensor Resolution

SensorResolution
Panchromatic0.8m
Multispectral4m

Bands

BandsWevthlength (nm)
Multispectral
Blue
Green
Red
Near IR

445-516
506-595
632-698
757-853
Panchromatic450-900

IKONOS Satellite Data Download

Coverage Maps indicating the availability of IKONOS products are available for Download in USGS

IKONOS-2

IKONOS-2 was an Earth-imaging satellite of DigitalGlobe Inc(MAXAR). which launched in 1999 and ceased operations in 2015.

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