| Term: | SE |
| Definition: |
Solar Ecliptic - A heliocentric coordinatesystem where the Z axis is normal to the ecliptic plane, positive northward.X axis is positive towards the first point of Aries (from Earth to Sun atvernal equinox). Same as HAE above. Seehttp://nssdc.gsfc.nasa.gov/space/helios/coor_des.html |