- In astronomy, the
geocentric model (also
known as geocentrism,
often exemplified specifically by the
Ptolemaic system) is a su****ded
description of the...
- Earth-centered, Earth-fixed
coordinate system (acronym ECEF), also
known as the
geocentric coordinate system, is a
cartesian spatial reference system that represents...
- A
geocentric orbit, Earth-centered orbit, or
Earth orbit involves any
object orbiting Earth, such as the Moon or
artificial satellites. In 1997, NASA estimated...
-
Earth and
minor axis
aligned to the
rotation axis of the Earth.
These geocentric ellipsoids are
usually within 100 m (330 ft) of the geoid.
Since latitude...
- the real
surface A spheroid, also
called an
ellipsoid of revolution,
geocentric to
model the
entire Earth, or else
geodetic for
regional work A sphere...
-
spherical Earth, in
which case the
geocentric and
geodetic latitudes are
equal and the latitude-dependent
geocentric radius simplifies to a
global mean...
- convention. The
origin at the
centre of
Earth means the
coordinates are
geocentric, that is, as seen from the
centre of
Earth as if it were transparent....
- 2.2.
Washington DC: US
Naval Observatory.
Longitude of Sun,
apparent geocentric ecliptic of date,
interpolated to find time of
crossing 0°, 30°.... Wikimedia...
-
gravitational parameter for the
Earth as the
central body, is
called the
geocentric gravitational constant. It
equals (3.986004418±0.000000008)×1014 m3⋅s−2...
-
other objects in the
Milky Way galaxy, and extra-galactic objects. The
geocentric celestial reference system (GCRS), also
created by the IAU in 2000, is...
