SPOT-6/7
The SPOT twins operate in phased orbits and can revisit any point on the globe once per day. They deliver 1.5-meter high-resolution imagery across five spectral bands and can capture 6 million square kilometers per satellite per day.
Daily acquisition capacity of 6 million km² per satellite.
High-resolution products with five spectral bands
Daily revisit, anywhere
Spot – 6/7 Specs
Launch Information
Date: September 9, 2012
Launch Vehicle: Delta PSLV
Launch Site: Satish Dhawan Space Center (India)
Orbit
Altitude: 496 km
Type: Sun synchronous
Period: 95 min.
Spacecraft Size, Mass and Power
Body: ~ 1.55 m x 1.75 m x 2.7 m
Solar array wingspan area: 5.4 m2
Sensor Bands
Blue (0.455 µm – 0.525 µm)
Green (0.530 µm – 0.590 µm)
Red (0.625 µm – 0.695 µm)
Near-Infrared (0.760 µm – 0.890 µm)
Sensor Resolution
Panchromatic – 2m
Multispectral – 8m
Dynamic Range
12-bits per pixel
Swath Width
60 km (2 imagers)
120 km with single pass mosaic
Attitude Determination & Control
The enhanced 3-axis stabilization attitude control system is based on a set of 4 RW (Reaction Wheels) for fine-pointing with 3 MTQ (Magnetic Torquers) for off-loading. In case of very high agility requirements, the reactions wheels are replaced by Astrium patented CMGs (Control Moment Gyros).
Pointing Accuracy & Knowledge
Accuracy of up to 500 µrad (3σ)
Retargeting Agility
Ultimate satellite agility, enabling to achieve efficiently both collection of large coverage and collection of individual targets: more than 3 million km2 per day for each satellite
Revisit Frequency (at 40°N Latitude)
1 (45º) to 5 days (30º)
Geolocation
Accuracy (CE90)
35 m without GCP; < 10 m with Ref3D
Capacity
3 million sq km
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SPOT-6/7 is right
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