WorldView-1

WorldView-1’s high-capacity panchromatic imaging system features state-of-the-art geolocation accuracy, rapid targeting, and efficient in-track stereo collection.

Very High Resolution

High contrast (MTF) and signal-tonoise ratio

Frequent revisits at high resolution

Industry-leading geolocation accuracy

Bi-directional scanning

Ultra-stable platform, highprecision attitude sensors and GPS

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WorldView-1 Specs

Launch Information

Date: September 18, 2007
Launch Vehicle: Delta 7920 (9 strap-ons)
Launch Site: Vandenberg Air Force Base, California

Orbit

Altitude: 496 km
Type: Sun synchronous
Period: 95 min.

Spacecraft Size, Mass and Power

3.6 m (12 ft) tall x 2.5 m (8 ft) across
7.1 m (23 ft) across the deployed solar arrays
2290 kg (5038 lbs)
3.2 kW solar array, 100 Ahr battery

Sensor Bands

Panchromatic: 400-900 nm

Sensor Resolution

50 cm Ground Sample Distance (GSD) at nadir
55 cm GSD at 20° off-nadir

Dynamic Range

11-bits per pixel

Swath Width

17.7 km at nadir

Attitude Determination & Control

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

Pointing Accuracy & Knowledge

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

Retargeting Agility

Time to slew 200 km: 10 sec

Onboard Storage

2199 GB solid state with EDAC

Communications

Image and Ancillary Data: 800 Mbps X-band
Housekeeping: 4, 16 or 32 kbps realtime, 524
kbps stored, X-band
Command: 2 or 64 kbps S-band

Max Contiguous Area Collected in a Single Pass (30° off-nadir)

Mono: 111 x 112 km (6 strips)
Stereo: 51 x 112 km (3 pairs)

Revisit Frequency (at 40°N Latitude)

1.7 days at 1 m GSD or less
5.4 days at 20° off-nadir or less (0.55 m GSD)

Geolocation
Accuracy (CE90)

Demonstrated <4.0 m CE90 without ground control

Capacity

1.3 million sq km per day

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WorldView-1 is right
for your project?

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New Found Gold Corp. – Senior Project Manager

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Ludovic Bigot, P.Geo

Harfang Exploration – VP Exploration

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