WorldView-2

Orbiting at an altitude of 770 km, WorldView-2 collects up to 1 million square kilometers of high-resolution 8-band imagery every day. It also offers industry-leading geolocation accuracy and stereoscopic collection on a single pass, ensuring greater image continuity.

Very High Resolution

The most spectral diversity commercially available

Frequent revisits at high resolution

Industry-leading geolocation accuracy

Bi-directional scanning

Ultra-stable platform, highprecision attitude sensors and GPS

Worldview-2

WorldView-2 Specs

Launch Information

Date: October 8, 2009
Launch Vehicle: Delta 7920 (9 strap-ons)
Launch Site: Vandenberg Air Force Base, California

Orbit

Orbit

Altitude: 770 km
Type: Sun synchronous, 10:30 am descending node
Period: 100 min.

spacecraft size

Spacecraft Size, Mass and Power

5.7 m (18.7 ft) tall x 2.5 m (8 ft) across
7.1 m (23 ft) across the deployed solar arrays
2615 kg (5765 lbs)
3.2 kW solar array, 100 Ahr battery

Sensor bands

Sensor Bands

Panchromatic: 450 – 800 nm 8 Multispectral

Sensor Resolution

Sensor Resolution

Panchromatic: 0.46 m GSD at nadir, 0.52 m GSD at 20° off-nadir
Multispectral: 1.85 m GSD at nadir, 2.07 m GSD at 20° off-nadir

Dynamic Range

Dynamic Range

11-bits per pixel

Swath

Swath Width

16.4 km at nadir

Attitude

Attitude Determination & Control

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

Point accuracy

Pointing Accuracy & Knowledge

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

Retargeting

Retargeting Agility

Time to slew 200 km: 10 sec

Max Contiguous

Onboard Storage

2199 GB solid state with EDAC

Communications

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

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

Mono: 138 x 112 km (8 strips)
Stereo: 63 x 112 km (4 pairs)

Revist

Revisit Frequency (at 40°N Latitude)

1.1 days at 1 m GSD or less
3.7 days at 20° off-nadir or less (0.52 m GSD)

Geolocation

Geolocation
Accuracy (CE90)

Demonstrated <3.5 m CE90 without ground control

capacity

Capacity

1 million sq km per day

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WorldView-2 is right
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