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Digital Globe

Satellite Imagery Products

GENESIIS is the authorized reseller for DigitalGlobe - the premier provider of superior satellite and aerial imagery, location information products and image processing services. DigitalGlobe products and services enable timely, accurate and accessible location intelligence that translates into timely and vital insights for customers, anywhere and at anytime. DigitalGlobe owns and operates a constellation of Earth-imaging satellites, including the world’s highest resolution satellite, GeoEye-1, which provides the highest quality and most accurate satellite imagery available.


Resolution restrictions have been relaxed

During June 2014 DigitalGlobe received permission from the US Department of Commerce to collect and sell imagery at the best available resolutions. Additionally, six months after WorldView-3 is operational DigitalGlobe will be permitted to sell imagery at up to 25 cm panchromatic and 1.0 m multispectral GSD.

WorldView-3 Satellite Sensor (0.31m)

WorldView-3 Satellite Sensor (0.31m) The WorldView-3 satellite sensor was recently licensed by the National Oceanic and Atmospheric Administration (NOAA) to collect eight-band short-wave infrared (SWIR) imagery. The satellite was to launched 14th August 2014.

WorldView-3 will be the first multi-payload, super-spectral, high-resolution commercial satellite sensor operating at an expected altitude of 617 km. WorldView-3 provides 31 cm panchromatic resolution, 1.24 m multispectral resolution, 3.7 m short wave infrared resolution and 30 m CAVIS resolution. WorldView-3 has an average revisit time of < 1 day and is capable of collecting up to 680,000 km2 per day.

WorldView-3 will bear a strong resemblance to WorldView-2 launched on October 8, 2009 in terms of its performance characteristics. The WorldView-3 satellite sensor will benefit from significant improvements including cost savings, risk reduction, and faster delivery for its customers.

Lockheed Martin Commercial Launch Services has set the launch date for DigitalGlobe’s WorldView-3 remote sensing satellite for Aug. 13, 2014. The spacecraft launched aboard an Atlas 5 from Space Launch Complex 3E at Vandenberg Air Force Base, Calif. The altitude could be revised before launch to utilize the recently obtained permission to acquire and deliver 0.25m resolution Imagery.

>> WorldView-3 Satellite Sensor Specifications
WorldView-3 Satellite Sensor Specifications
Launch Date August 13, 2014
Orbit Altitude: 617 km
Type: SunSync, 1:30 pm descending Node
Period: 97 min.
Life Spec Mission Life; 7.25 years
Estimated Service Life: 10 to 12 years
Spacecraft Size, Mass and Power Size: 5.7 m (18.7 feet) tall x 2.5 m (8 feet) across, 7.1 m (23 feet) across the deployed solar arrays
Mass: 2800 kilograms (6200 pounds)
Power: 3.1 kW solar array, 100 Ahr battery
Sensor Bands Panchromatic: 450-800 nm
8 Multispectral: (red, red edge, coastal, blue, green, yellow, near-IR1 and near-IR2) 400 nm - 1040 nm
8 SWIR: 1195 nm - 2365 nm
12 CAVIS Bands: (desert clouds, aerosol-1, aerosol-2, aerosol-3, green, water-1, water- 2, water-3, NDVI-SWIR, cirrus, snow) 405 nm - 2245 nm
Sensor Resolution
( or GSD, Ground Sample Distance; off-nadir is geometric mean)
Panchromatic Nadir: 0.31 m GSD at Nadir 0.34 m at 20° Off-Nadir
Multispectral Nadir: 1.24 m at Nadir, 1.38 m at 20° Off-Nadir
SWIR Nadir: 3.70 m at Nadir, 4.10 m at 20° Off-Nadir
CAVIS Nadir: 30.00 m
Dynamic Range 11-bits per pixel Pan and MS; 14-bits per pixel SWIR
Swath Width At nadir: 13.1 km
Attitude Determination and Control Type: 3-axis stabilized
Actuators: Control Moment Gyros (CMGs)
Sensors: Star trackers, precision, IRU, GPS
Pointing Accuracy and Knowledge Accuracy: < 500 m at image start and stop
Knowledge: Supports geolocation accuracy below
Retargeting Agility Time to slew 200 km: 12 seconds
Onboard Storage 2199 Gb solid state with EDAC
Communications Image & Ancillary: 800 & 1200 Mbps X-band
Housekeeping: 4, 16, 32 or 64 kbps real-time, 524 kbps stored, X-band
Command: 2 0r 64 kbps S-band
Max Contiguous Area Collected in a Single Pass (30° off-nadir angle) Mono: 66.5 km x 112 km (5 strips)
Stereo: 26.6 km x 112 km (2 pairs)
Revisit Frequency(at 40°N Latitude) 1 m GSD: < 1.0 day
4.5 days at 20° off-nadir or less
Geolocation Accuracy(CE90) Predicted Performance: < 3.5 m CE90 without ground control
Capacity 680,000 km2 per day

GeoEye-2 Satellite Sensor (0.34m) (Upcomming)

GeoEye-2 Satellite Sensor (0.34m) As of February 2013, following the merger of GeoEye and DigitalGlobe, GeoEye-2 satellite sensor will be held in storage until needed. DigitalGlobe's next satellite the third-generation satellite capable of discerning objects on the Earth's surface as small as 34cm (13.4 inch) in the panchromatic or black-and-white mode. It will collect multispectral or color imagery at 1.36-meter (4.46 feet) resolution. GeoEye-2 will have the highest resolution of any commercial imaging system. This advanced resolution will offer customers unprecedented, precise views for mapping, change detection and image analysis.

GeoEye-2 will be of the same general class as GeoEye-1 launched on September 6th, 2008 (Article: GeoEye-1 Satellite Sensor Launch) and became commercially available on February 5th, 2009. Besides unsurpassed spatial resolution, GeoEye-2 will offer exceptional geolocation accuracy, which means that customers will be able to map natural and man-made features to better than 5-meter CE90 (specification) and 3- to 4-meter CE90 (expected) of their actual location on the Earth’s surface without ground control points.

GeoEye-2 will make 15 orbits per day flying at an altitude of 681 km (423 miles), with an orbital velocity of 7.5 km/sec (16,800 mile/hour). GeoEye-2 will be able to “revisit” any point on the globe every three days or sooner, depending upon the required look angle. The altitude could be revised before launch to utilize the recently obtained permission to acquire and deliver 0.25m resolution Imagery.

GeoEye-2 customers will have a choice of ordering BASIC (satellite projection), Geo (geometrically corrected), GeoProfessional (terrain corrected or ortho-rectified), or GeoStereo (stereo pair) products, as well as imagery-derived products, including Digital Elevation Models (DEMs), Digital Surface Models (DSMs), large-area mosaics and feature maps.

>> GeoEye-2 Satellite Sensor Specifications
GeoEye-2 Satellite Sensor Specifications
Spatial Resolution Panchromatic (.34 meter) | Multispectral (1.36 meters)
Positional Accuracy 5 meter CE90 (specification) | 3-4 meter CE90 (expected)
Collection Capacity 600,000 sq km/day (Pan + MSI)
Satellite
Swath Width 14.5 km
Off-Nadir Imaging Up to 60 degrees
Dynamic Range 11 bits per pixel
Mission Life Expected >10 years
Revisit Time Approximately 3 days
Orbital Altitude 681 km
Nodal Crossing 10:30:00 AM

GeoEye-1 Satellite Sensor (0.46m)

GeoEye-1 Satellite Sensor (0.46m) The GeoEye-1 satellite sensor was successfully launched on September 6, 2008. The satellite, which was launched at Vanderberg Air Force Base, California, provides a resolution of 0.46 meters.

The GeoEye-1 Satellite sensor features the most sophisticated technology ever used in a commercial remote sensing system. This newly developed sensor is optimized for large projects, as it can collect over 350,000 square kilometers of pan-sharpened multispectral satellite imagery every day.

GeoEye-1, launched in September 2008, has been flying at an altitude of about 681 kilometers and is capable of producing imagery with a ground sampling distance of 46 centimeters, meaning it can detect objects of that diameter or greater.

During late summer of 2013 the orbit altitude of the GeoEye-1 Satellite sensor was raised to 770 Km / 478 Miles. GeoEye-1 new nadir ground sample distance (GSD) is 46cm compared to the previous GSD of 41cm.

>> GeoEye-1 Satellite Sensor Specifications
GeoEye-1 Satellite Sensor Specifications
Launch Date September 6, 2008
Camera Modes Simultaneous panchromatic and multispectral (pan-sharpened)
Panchromatic only
Multispectral only
Resolution 0.46 m / 1.51 ft panchromatic (nominal at Nadir)
1.84 m / 6.04 ft multispectral (nominal at Nadir)
Spectral Range Panchromatic: 450 - 800 nm
Blue: 450 - 510 nm
Green: 510 - 580 nm
Red: 655 - 690 nm
Near Infra-Red: 780 - 920 nm
Metric Accuracy/Geolocation CE stereo: 2 m / 6.6 ft
LE stereo: 3 m / 9.84 ft
CE mono: 2.5 m / 8.20 ft
These are specified as 90% CE (circular error) for the horizontal and 90% LE (linear error) for the vertical with no ground control points (GCP's)
Swath Widths & Representative Area Sizes Nominal swath width - 15.2 km / 9.44 mi at Nadir
Single-point scene - 225 sq km (15x15 km)
Contiguous large area - 15,000 sq km (300x50 km)
Contiguous 1° cell size areas - 10,000 sq km (100x100 km)
Contiguous stereo area - 6,270 sq km (224x28 km)
(Area assumes pan mode at highest line rate)
Imaging Angle Capable of imaging in any direction
Revisit Frequency at 770 km Altitude (40° Latitude Target)
Max Pan GSD (m) Off Nadir Look Angle (deg) Average Revisit (days)
0.42 10 8.3
0.50 28 2.8
0.59 35 2.1
Daily Monoscopic Area Collection Capacity Up to 700,000 sq km/day (270,271 sq mi/day) of pan area (about the size of Texas).
Up to 350,000 sq km/day (135,135 sq mi/day) of pan-sharpened multispectral area (about the size of New Mexico)

TECHNICAL INFORMATION

Launch Vehicle Delta II
Launch Vehicle Manufacturer Boeing Corporation
Launch Location Vandenberg Air Force Base, California
Satellite Weight 1955 kg / 4310 lbs
Satellite Storage and Downlink 1 Terabit recorder; X-band downlink (at 740 mb/sec or 150 mb/sec)
Operational Life Fully redundant 7+ year design life; fuel for 15 years
Satellite Modes of Operation Store and forward
Real-time image and downlink
Direct uplink with real-time downlink
Orbital Altitude 770 km / 478 miles
Orbital Velocity About 7.5 km/sec or 17,000 mi/hr
Inclination/Equator Crossing Time 98 degrees / 10:30am
Orbit type/period Sun-synchronous / 98 minutes

WorldView-2 Satellite Sensor (0.46m)

WorldView-2 Satellite Sensor (0.46m) DigitalGlobe's WorldView-2 satellite sensor, launched October 8, 2009, provides 0.46m Panchromatic (B&W) mono and stereo satellite image data.

With its improved agility, WorldView-2 is able to act like a paintbrush, sweeping back and forth to collect very large areas of multispectral imagery in a single pass. WorldView-2 alone is able to collect nearly 1 million km2 every day, doubling the collection capacity of our constellation to nearly 2 million km2 per day. And the combination of WorldView-2’s increased agility and high altitude enables it to typically revisit any place on earth in 1.1 days. When added to the satellite constellation, revisit time drops below one day and never exceeds two days, providing the most same-day passes of any commercial high resolution constellation.

The WorldView-2 imaging payload is the second such system engineered and manufactured by ITT Space Systems Division for DigitalGlobe. Once deployed, it will operate at an altitude of 770 kilometers, and the advanced on-board imaging system will capture pan-sharpened, multispectral images (with better than 0.46-meter resolution) from almost 500 miles above the Earth. These images supply unprecedented detail and geospatial accuracy, further expanding the applications for satellite imagery in both commercial and government markets. Added spectral diversity provides the ability to perform precise change detection and mapping.

In addition to numerous other technical improvements, WorldView-2 also has the ability to accommodate direct tasking, which will allow select customers around the world to load imaging profiles directly up to the spacecraft and execute delivery of the data directly down to their own ground stations.

>> WorldView-2 Satellite Sensor Specifications
WorldView-2 Satellite Sensor Specifications
Launch Date October 8, 2009
Launch Vehicle Delta 7920 (9 strap-ons)
Launch Site Vandenberg Air Force Base
Orbit Altitude 770 kilometers
Orbit Type Sun synchronous, 10:30 am (LT) descending Node
Orbit Period 100 minutes; 7.25 year mission life, 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 Panchromatic
8 Multispectral (4 standard colors: red, blue, green, near-IR), 4 new colors: red edge, coastal, yellow, near-IR2
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, 2.4 meters GSD at 20° Off-Nadir
Dynamic Range 11-bits per pixel
Time Delay Integration (TDI) Panchromatic - 6 selectable levels from 8 to 64
Multispectral - 7 selectable levels from 3 to 24
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 Position Accuracy & Knowledge < 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 300 kilometers: 9 seconds
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 Nominally +/-40° off-nadir = 1355 km wide swath
Higher angles selectively available
Per Orbit Collection: 524 gigabits
Max Contiguous Area Collected in a Single Pass: 96 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 12.2m 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 GCP's in image: < 2.0 meters (6.6 ft)

WorldView-1 Satellite Sensor (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.

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.

>> WorldView-1 Satellite Sensor Specifications
WorldView-1 Satellite Sensor Specifications
Launch Date September 18, 2007
Launch Vehicle Boeing Delta 7920 (9-strap-ons)
Launch Site Vandenberg Air Force Base, California, USA
Orbit Altitude 496 kilometers
Orbit Type 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 Km2 at 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%) Specification of 12.2 m CE90, with predicted performance in the range of 3.0 to 7.6 meters (10 to 25 feet) CE90, excluding terrain and off-nadir effects with registration to GCPs in image: 2.0 meters (6.6 feet)
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

IKONOS Satellite Sensor (0.82m)

IKONOS Satellite Sensor (0.82m) DigitalGlobe's IKONOS satellite sensor was successfully launched on September 24, 1999 at Vandenberg Air Force Base, California, USA.

The IKONOS Satellite sensor is a high-resolution satellite operated by DigitalGlobe. Its capabilities include capturing a 3.2m multispectral, Near-Infrared (NIR) / 0.82m panchromatic resolution at nadir. Its applications include both urban and rural mapping of natural resources and of natural disasters,tax mapping, agriculture and forestry analysis, mining, engineering, construction, and change detection. It can yield relevant data for nearly all aspects of environmental study. IKONOS images have also been procured by Satellite Imaging Corporation for use in the media and motion picture industries, providing aerial views and satellite photos for many areas around the world. Its high resolution data makes an integral contribution to homeland security, coastal monitoring and facilitates 3D Digital Terrain Models and Digital Elevation Models.

IKONOS Stereo Satellite Imagery

The IKONOS satellite sensor can be programmed to acquire stereo IKONOS satellite image data for the production of digital surface models (DSM's) or digital elevation models (DEM's) with postings of < 5m. From the stereo pair the near nadir scene will be utilized to produce < 0.82m Natural Color Satellite Image mosaic.

>> IKONOS Satellite Sensor Specifications
IKONOS Satellite Sensor Specifications
Launch Date 24 September 1999 at Vandenberg Air Force Base, California, USA
Operational Life Over 7 years
Orbit 98.1 degree, sun synchronous
Speed on Orbit 7.5 kilometers per second
Speed Over the Ground 6.8 kilometers per second
Revolutions Around the Earth 14.7, every 24 hours
Altitude 681 kilometers
Resolution at Nadir 0.82 meters panchromatic; 3.2 meters multispectral
Resolution 26° Off-Nadir 1.0 meter panchromatic; 4.0 meters multispectral
Image Swath 11.3 kilometers at nadir; 13.8 kilometers at 26° off-nadir
Equator Crossing Time Nominally 10:30 AM solar time
Revisit Time Approximately 3 days at 40° latitude
Dynamic Range 11-bits per pixel
Image Bands Panchromatic, blue, green, red, near IR

QuickBird Satellite Sensor (0.65m)

QuickBird Satellite Sensor (0.651m) DigitalGlobe's QuickBird satellite sensor was successfully launched October 18, 2001 at Vandenberg Air Force Base, California, USA.

Using a state-of-the-art BGIS 2000 sensor (PDF), QuickBird satellite collects image data to 0.65m pixel resolution degree of detail. This satellite is an excellent source of environmental data useful for analysis of changes in land usage, agricultural and forest climates. QuickBird's imaging capabilities can be applied to a host of industries, including Oil and Gas Exploration & Production (E&P),Engineering and Construction and environmental studies.

>> QuickBird Satellite Sensor Specifications
QuickBird Satellite Sensor Specifications
Launch Date October 18, 2001
Launch Vehicle Boeing Delta II
Launch Location Vandenberg Air Force Base, California, USA
Orbit Altitude 450 Km / 482 Km - (Early 2013)
Orbit Inclination 97.2°, sun-synchronous
Speed 7.1 Km/sec (25,560 Km/hour)
Equator Crossing Time 10:30 AM (descending node)
Orbit Time 93.5 minutes
Revisit Time 1-3.5 days, depending on latitude (30° off-nadir)
Swath Width (Nadir) 16.8 Km / 18 Km - (Early 2013)
Metric Accuracy 23 meter horizontal (CE90)
Digitization 11 bits
Resolution Pan: 65 cm (nadir) to 73 cm (20° off-nadir)
MS: 2.62 m (nadir) to 2.90 m (20° off-nadir)
Image Bands Pan: 450-900 nm
Blue: 450-520 nm
Green: 520-600 nm
Red: 630-690 nm
Near IR: 760-900 nm

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