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WorldView-3

WorldView-3 is the first multi-payload, super-spectral, high-resolution commercial satellite.

Operating at an altitude of 617 km, WorldView-3 provides 31 cm panchromatic resolution, 1.24 m multispectral resolution, and 3.7 m short-wave infrared resolution.

WorldView-3 has an average revisit time of less than 1 day and is capable of collecting up to 680,000 km² per day, allowing for more rapid and reliable collection.

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+ Specifications

Design and Specifications
Launch Information

Date: August 13, 2014
Launch Vehicle: Atlas V
Launch Site: Vandenberg Air Force Base, California

Orbit Altitude: 617 km
Type: SunSync, 10:30 am descending Node
Period: 97 min
Mission Life

Spec Mission Life: 7.25 years
Estimated Service Life: 10 to 12 years

Spacecraft Size, Mass and Power

Size: 5.7 ms (18.7 ft) tall x 2.5 ms (8 ft) across
7.1 m (23 ft) across deployed solar arrays
Mass: 2800 kg (6200 lbs)
Power: 3.1 kW solar array, 100 Ahr battery

Sensor Bands
  • Panchromatic: 450 - 800 nm
  • 8 Multispectral:
    Coastal: 397 - 454 nm
    Blue: 445 - 517 nm
    Green: 507 - 586 nm
    Yellow: 580 - 629 nm
    Red: 626 - 696 nm
    Red Edge: 698 - 749 nm
    Near-IR1: 765 - 899 nm
    Near-IR2: 857 - 1039 nm
  • 8 SWIR Bands:
    SWIR-1: 1184 - 1235 nm
    SWIR-2: 1546 - 1598 nm
    SWIR-3: 1636 - 1686 nm
    SWIR-4: 1702 - 1759 nm
    SWIR-5: 2137 - 2191 nm
    SWIR-6: 2174 - 2232 nm
    SWIR-7: 2228 - 2292 nm
    SWIR-8: 2285 - 2373 nm
  • 12 CAVIS Bands:
    Desert Clouds: 405 - 420 nm
    Aerosol-1: 459 - 509 nm
    Green: 525 - 585 nm
    Aerosol-2: 635 - 685 nm
    Water-1: 845 - 885 nm
    Water-2: 897 - 927 nm
    Water-3: 930 - 965 nm
    NDVI-SWIR: 1220 - 1252 nm
    Cirrus: 1365 - 1405 nm
    Snow: 1620 - 1680 nm
    Aerosol-3: 2105 - 2245 nm
    Aerosol-3: 2105 - 2245 nm
Sensor Resolution
(GSD=Ground Sample Distance)
0.31 m - Panchromatic at nadir
0.34 m - 20° off-nadir
1.24 m - Multispectral at nadir
1.38 m - 20° off-nadir
3.70 m - SWIR at nadir
4.10 m - 20° off-nadir
30.00 m CAVIS at nadir
Dynamic Range 11-bits per pixel Pan and MS; 14-bits per pixel SWIR
Swath Width 13.1 kilometers at nadir
Attitude Determination and Control

3-axis stabilized
Actuators: Control Moment Gyros (CMGs)
Sensors: Star trackers, solid state IRU, GPS

Pointing Accuracy and Knowledge

Accuracy: < 500 meters at image start and stop
Knowledge: Supports geolocation accuracy below

Retargeting Agility

Time to Slew: 200 kilometers: 12 seconds

Onboard Storage

2199 gigabits solid state with EDAC

Communications Image and Ancillary Data: 800 and 1200 Mbps X-band
Housekeeping: 4, 16, 32 or 64 kbps real-time, 524 kbps stored, X-band
Command: 2 or 64 kbps S-band
Max Contiguous Area
Collected in a single Pass
(30° off-nadir angle)

Mono: 66.5 km x 112 km (5 strips)
Stereo: 26.6 km x 112 km (2 pairs)

Revisit Frequency
(at 40°N Latitude)

1 m GSD: <1.0 day
4.5 days at 20° off-nadir or less

Geolocation Accuracy
(CE90)

Predicted <3.5 m CE90 without ground control

Capacity

680,000 km² per day

+ Features

FeaturesBenefits
Very high-resolution
  • Panchromatic 31 cm
  • Multispectral 1.24 m
  • Short-wave infrared 3.7 m
  • CAVIS-30m
  • Simultaneous, high resolution, super-spectral imagery
  • Large area mono and stereoscopic collection eliminates temporal variations
  • Precision geo-location possible without ground control points
  • 11 grounds stations assure timely tasking and transmission of data
  • Global capacity of 680,000 km² per day
  • Superior Haze Penetration
  • New and enhanced applications, including:
    • Mapping
    • Land Classifications
    • Disaster Preparedness/ Response
    • Feature Extraction/Change Detection
    • Soil/Vegetative Analysis
    • Geology: Oil & Gas, Mining
    • Environmental Monitoring
    • Bathymetry/Coastal Applications
    • Identification of Man-made Materials
The most spectral diversity commercially available
  • Panchromatic band
  • 4 standard VNIR colors: blue, green, red, near-IR1
  • 4 added VNIR colors: coastal, yellow, red edge, and near-IR2
  • 8 SWIR bands: Penetrates haze, fog, smog, dust, smoke, mist, & cirrus
  • 12 CAVIS bands

 

Industry-leading geolocation accuracy

 

High capacity in various collection modes  
Bi-directional scanning  
Rapid retargeting using Control Moment Gyros (>2x faster than any competitor)  
Direct Access tasking from and image transmission to customer sites  
Daily revisits  

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