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Additional
Earth orbit
English Wikipedia - The Free Encyclopedia
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Geocentric orbit
A
geocentric orbit
involves any object
orbiting
the
Earth
, such as the
Moon
or
artificial satellites
. In 1997 NASA estimated there were approximately 2,465 artificial satellite payloads orbiting the Earth and 6,216 pieces of
space debris
as tracked by the
Goddard Space Flight Center
. Over 16,291 previously launched objects have
decayed
into the Earth's
atmosphere
.
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