Alternate Definitions for HERTN

include archived terms
Term: HERTN
Definition:

Helio-Eclipitic Radial Tangential Normalcoordinate system. Typically centered at a spacecraft. The X axis (radial)is set as the primary axis, and is defined as the axis pointing from thespacecraft to the Sun. The Z axis (tangential) is set as the secondary axis,and is defined as that portion of the ecliptic rotational axis which isperpendicular to the primary axis. The Y axis (Normal) is defined as Z crossX.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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