WorldView-2 – Começam as vendas em todo o mundo !

Com seus incríveis 46cm e 8 bandas, o World view 2 já é uma revolução tecnológica na área de imageamento via satélite. Veja abaixo as suas especificações e se admire !

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Design and Specifications
Launch Information
Date: October 8, 2009
Launch Vehicle: Delta 7920 (9 strap-ons)
Launch Site: Vandenberg Air Force Base, California
Altitude: 770 kilometers
Type: Sun synchronous, 10:30 am descending node
Period: 100 minutes
Mission Life
7.25 years, including all consumables and degradables
(e.g. propellant)
Spacecraft Size, Mass & Power
4.3 meters (14 feet) tall x 2.5 meters (8 feet) across,
7.1 meters (23 feet) across the deployed solar arrays
2800 kilograms (6200 pounds)
3.2 kW solar array, 100 Ahr battery
Sensor Bands
8 Multispectral:
4 standard colors: blue, green, red, near-IR 1
4 new colors: coastal, yellow, red edge, near-IR 2
Sensor Resolution (GSD = Ground Sample Distance)
Panchromatic: 0.46 meters GSD at nadir
0.52 meters GSD at 20° off-nadir
Multispectral: 1.84 meters GSD at nadir
2.08 meters GSD at 20° off-nadir
(note that imagery must be re-sampled to 0.5
meters for non-US Government customers)
Dynamic Range
11-bits per pixel
Swath Width
16.4 kilometers at nadir
Attitude Determination and Control
3-axis stabilized
Actuators: Control Moment Gyros (CMGs)
Sensors: Star trackers, solid state IRU, GPS
Pointing Accuracy & Knowledge
Accuracy: < 500 meters at image start and stop
Knowledge: Supports geolocation accuracy below
Retargeting Agility
Acceleration: 1.5 deg/s/s
Rate: 3.5 deg/s
Time to Slew: 200 kilometers: 10 seconds
Onboard Storage
2199 gigabits solid state with EDAC
Image and Ancillary Data: 800 Mbps X-band
Housekeeping: 4, 16 or 32 kbps real-time,
524 kbps stored, X-band
Command: 2 or 64 kbps S-band
Max Viewing Angle / Accessible Ground Swath
Nominally +/-45° off-nadir = 1355 km wide swath
Higher angles selectively available
Per Orbit Collection
524 gigabits
Max Contiguous Area
Collected in a Single Pass
65.6 x 110 km mono
48 x 110 km stereo
Revisit Frequency
1.1 days at 1 meter GSD or less
3.7 days at 20° off-nadir or less (0.52 meter GSD)
Geolocation Accuracy (CE 90)
Specification of 6.5m CE90, with predicted performance in the range of 4.6 to 10.7 meters (15 to 35 feet) CE90, excluding terrain and off-nadir effects
With registration to GCPs in image : 2.0 meters (6.6 feet)

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