| Term: | SSE |
| Definition: |
Spacecraft Solar Ecliptic - A coordinatesystem used for deep space spacecraft, for example Helios. - X axis fromspacecraft to Sun. Z axis normal to ecliptic plane, positive northward.Note: Angle between normals to ecliptic and to Helios orbit plane ~ 0.25deg. |
| Term: | SSE |
| Definition: |
Spacecraft Solar Ecliptic - A coordinate system used for deep space spacecraft, for example Helios. |