HEE

Alternative definitions (1), class: vernacular (0)
Term: HEE
Definition:

Heliocentric Earth Ecliptic - A coordinatesystem where the Z axis is normal to the ecliptic plane, positive northward.X axis points from Sun to Earth. See Hapgood, 1992

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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