WorldView-1 Satellite Sensor

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WorldView-1 (0.46m)

WorldView-1 Satellite Sensor (0.46m)

WorldView-1 satellite sensor was successfully launched from Vandenberg Air Force Base, California, U.S.A., at 11:35 Hrs Pacific Daylight Time (PDT) on September 18th, 2007. Watch video of WorldView-1 satellite launch.

WorldView-1 Satellite Sensor (0.46m)

WorldView-1 Satellite Sensor

The WorldView-1 offers a high-capacity, panchromatic imaging system which features 0.46m resolution imagery.

Operating at an altitude of 496 kilometers, WorldView-1 satellite has an average revisit time of 1.7 days and is capable of collecting up to 750,000 square kilometers (290,000 square miles) per day of half-meter imagery. The satellite is also equipped with state-of-the-art geo-location capabilities and exhibits stunning agility with rapid targeting and efficient in-track stereo collection.

Sample Images

Costa Concordia Disaster

Giglio, Tuscany

Azadi Tower

Tehran, Iran

Houston, Texas

Downtown

Atmospheric Compensation - DigitalGlobe AComp Pre-Processing

WorldView-1 Satellite Gallery

WorldView-1 Satellite Sensor Characteristics

Launch Date	September 18, 2007
Launch Vehicle	Boeing Delta 7920 (9-strap-ons)
Launch Location	Vandenberg Air Force Base, California, USA
Orbit Altitude	496 Km
Orbit Inclination	sun-synchronous
Spacecraft Size, Mass & Power	3.6 meters (12 feet) tall x 2.5 meters (8 feet) across, 7.1 meters (23 feet) across the deployed solar arrays 2500 kilograms (5500 pounds) 3.2 kW solar array, 100 Ahr battery
Equator Crossing Time	10:30 AM (descending node)
Revisit Time	1.7 days at 1 meter GSD or less 5.9 days at 20° off-nadir or less (0.51 meter GSD)
Swath Width	17.6 Km at nadir
Full Scene	17.6 Km x 14 Km or 246.4 Km²at nadir
Orbit Time	94.6 minutes
Dynamic Range	11 bits per pixel
Resolution	0.50 meters GSD at nadir 0.55 meters GSD at 20° off-nadir (note that imagery must be re-sampled to 0.5 meters for non-US Government customers)
Sensor Bands	Panchromatic
Metric Accuracy	Accuracy: <500 meters at image start and stop Knowledge: Supports geolocation accuracy below
Geolocation Accuracy (CE 90%)	Demonstrated <4.0 m CE90 without ground control
Retargeting Ability	Acceleration: 2.5 deg/s/s Rate: 4.5 deg/s Time to slew 300 kilometers: 9 seconds
Attitude Determination and Control	3-axis stabilized Actuators: Control Moment Gyros (CMGs) Sensors: Star trackers, solid state IRU, GPS
Onboard Storage	2199 gigabits solid state with EDAC
Communications	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	60 x 110 km mono 30 x 110 km stereo