Datum-centered ellipsoid

Datum-centered ellipsoid

An ellipsoid which best fits the astro-geodetic network in a particular datum and hence does not necessarily have its centre at the Earth's center. More precisely, an ellipsoid whose dimensions and position have been selected to best fit the astronomic and geodetic coordinates of a particular geodetic network.

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Mapping science
Company: American Congress on Surveying & Mapping
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Related terms

datum-centered ellipsoid

Earth science; Mapping science

An ellipsoid which best fits the astro-geodetic network in a particular datum and hence does not necessarily have its center at the Earth's center. More precisely, an ellipsoid ...

ellipsoid

Agriculture; Rice science

An elliptical solid.

ellipsoid

Telecommunications; GPS (global positioning system)

A geometric surface, all of whose plane sections are either ellipses or circles.

ellipsoid

Language; Dictionaries

Pertaining to, or shaped like, an ellipsoid; as, ellipsoid or ellipsoidal form.

subtropical

Earth science; Mapping science

Relating to the warmest region of the Temperate Zones that border on the Torrid Zone.

sky

Earth science; Mapping science

The region above and beyond the Earth, as it is seen looking up from the ground. Sky looks blue during the day and dark at night.

South Pole

Earth science; Mapping science

The most southern point of the Earth. The South Pole is the southern end of the axis on which the Earth rotates.

prime meridian

Earth science; Mapping science

The line of longitude that passes through the town of Greenwich, England, and that measures 0 degree. It is the line from which other longitude lines are measured.

planet

Earth science; Mapping science

A celestial body revolving around a sun in a nearly circular orbit. This definition excludes comets, which have highly elliptical orbits. However, it may also exclude some of ...

area of error

Earth science; Mapping science

A figure within which the true location of a point whose location has been determined by measurement is believed to lie, with stated degree of probability.