WorldView-2
View Examples of WorldView-2 Satellite Imagery
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WorldView-2 is the most technologically-advanced high-resolution satellite ever launched. The DigitalGlobe satellite was launched into space on October 8, 2009 from Vandenberg Air Force Base, CA. WorldView-2 collects 46-centimeter (cm) panchromatic and 1.85-meter (m) multispectral data which is sold at 50-cm and 2-m resolution per US government regulation, respectively.
WorldView-2 features the first 8-band multispectral imaging system, adding a coastal, yellow, red edge and an additional near-infrared red (NIR) band to the traditional four (i.e. blue, green, red and NIR). Positioned 770 kilometers (km) above the planet, WorldView-2 collects up to 785,000 sq km of 8-band imagery every day. No wonder it’s our best seller!
- Launch Date: October 8, 2009
- Vehicle: Delta 7920
- Site: SLC-2W, Vandenberg Air Force Base, California, USA
- Expected Mission Life: 2019 to 2021
- Dimensions: 5.7-m tall x 2.5-m across; 7.1-m across with deployed solar array; 2,615 kg
- Solar Array: 3.2 kW, 100 Ahr battery
- Control Systems:
- 3-axis stabilized
- Actuators – control movement gyros (CMGs)
- Altitude determination – star trackers, solid state inertial reference unit (IRU) and GPS
- Onboard Storage Capacity: 2199 gigabytes, solid state with EDAC
- Ground Communication Systems:
- Imagery & metadata downlink – 800 megabytes per second, X-band
- Maintenance – 4, 16 or 32 kilobytes per second (kbps) real time, 524 kbps stored, X-band
- Commands – 2 or 64 kbps, S-band
- Focal Plane:
- 50 staggered panchromatic detector sub-arrays (DSAs) – 35,420 pixels
- 10 staggered multispectral DSAs – 8,881 pixels / band; either side of panchromatic array (MS1 array: blue, green, red and NIR1) (MS2 array: coastal, yellow, red edge, NIR2)
- Optical Sensor Assembly: 13.3-m focal length, 1.1-m aperture
- Altitude: 770 km
- Period: 100.2 minutes
- Inclination: 98.0°
- Direction: sun-synchronous circular, north to south (across the lit side of Earth)
- Equatorial Crossing Time: 10:30 AM local time (approximate; across lit side of Earth)
- Revisit Frequency: (at 40° lat)
- 1.1 days (< 45° off-nadir)
- 3.7 days (< 20° off-nadir)
- Spectral Bands:
- Panchromatic
- 8-band multispectral (coastal, blue, green, yellow, red, red edge, NIR1 and NIR2)
- Sensor Resolution:
- At nadir – 46-cm panchromatic & 1.85-m multispectral
- 20° off-nadir – 52-cm panchromatic & 2.07-m multispectral
- 30° off-nadir – 60-cm panchromatic & 2.40-m multispectral
- 45° off-nadir – 90-cm panchromatic & 3.58-m multispectral
- Data delivered at 50-cm panchromatic & 2-m multispectral per US government regulation
- Spectral Band Wavelength Range: (minimum, center, maximum edge; in nm)
- Panchromatic – 447, 627, 808
- Coastal – 396, 427, 458
- Blue – 442, 478, 515
- Green – 506, 546, 586
- Yellow – 584, 608, 632
- Red – 624, 659, 694
- Red edge – 699, 724, 749
- NIR1 – 765, 833, 901
- NIR2 – 856, 949, 1043
- Dynamic Range: 11-bits
- Footprint Width: 16.4 km (at nadir)
- Collection Geometry: (at 30° off-nadir)
- Mono, large area – 138 km x 112 km (8 strips wide)
- Mono, long strip – 360 km x 16.4 km (1 strip only)
- Stereo, large area – 63 km x 112 km (4 pairs wide)
- Retargeting Ability: 10 sec (time to slew 200 km)
- Daily Collection Capacity: 1,2000,000 sq km
- Georeferenced Horizontal Accuracy: < 3.5-m CE90 (global average, dependent on terrain)
Below is the least expensive WorldView-2 data offered. Prices increase for new collections, additional spectral bands and data processing. Note that academic and volume discounts are available.
- Data Source: archive (greater than 90 days old)
- Minimum Order Size: 25 sq km (per area & date)
- Product Type: georeferenced + natural color
- Price Per Sq Km: $14.00
For an exact quote, please contact our Sales Team at sales@apollomapping.com.
