HCD

Alternative definitions (0), class: vernacular (0)
Term: HCD
Definition:

Heliocentric of Date HCD
XY-plane: Solar equator of date.
+X-axis: Solar ascending node on ecliptic of date.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
Permalink:
https://n2t.net/ark:/99152/h26386