Alternate Definitions for J2000

include archived terms
Term: J2000
Definition:

An astronomical coordinate system which usesthe mean equator and equinox of Julian date 2451545.0 TT (Terrestrial Time),or January 1, 2000, noon TT. (aka J2000) to define a celestial referenceframe.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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https://n2t.net/ark:/99152/h10378