Appreciation of Earth Observing Systems

 

OrbView-3

Page history last edited by Avril Behan 2 yrs ago

OrbView-3

Question 1

Into what general category of EOS does the instrument fall?

Multispectral


Question 2

What capture technology is used?

Opto-mechanical Scanner


Question 3

Is the sensor active or passive?

Passive


Question 4

At what wavelength(s) does the sensor function?

Blue: 450-520 nm

Green: 520-600 nm

Red: 625-695 nm

Near IR: 760-900 nm

Pan: 450-520 nm


Question 5

What resolution does the sensor have – temporal and spatial?

Temporal

3 days, depending on latitude

Spatial

Panchromatic resolution: 1 m

Multispectral resolution: 4 m


Question 6

Is the sensor carried on an airborne or spaceborne platform? What is that platform – typically?

Spacebourne – OrbView is the satellite


Question 7

Who developed/launched/manages the sensor?

GeoEye


Question 8

Can data be purchased from service providers?

Yes - Images can be purchased on GeoEye or at Orbimage


Question 9

What products are available?

The satellite will be able to collect images at 0.41-meter panchromatic (black & white) and 1.65-meter multispectral resolution. Each Earth point will be precisely locate to within 3 meters of its true location on the surface of the Earth.

Product options will include BASIC, GEO, ORTHO and STEREO imagery as well as imagery-derived products, including DEMs (digital elevation models) and DSMs (digital surface models), large area mosaics and feature maps.

GeoEye Products


Question 10

At which main application areas is the sensor aimed?

High resolution mapping for various applications including: engineering projects; infrastructure planning for utilities and telecommunications; urban planning in city and county governments; crop health assessment; exploration for oil, gas and mineral companies; habitat monitoring for environmental agencies; and surveillance and mission planning for national security agencies.


List 2 specific projects, where they have been reported, their goals and their outcomes.

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