Neptune Viewer 3.0

2021-07-05: Release 3.0 with updated ephemerides, new options, new style sheet. See the help page for more information.

Current ephemeris selection is NEP081 + NEP095 + DE440.

Observation Time

Field of View:

Diagram center:


Moon Selection:

Ring Selection:

Arc motion model:

Background Objects:

Diagram Options:

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Last updated July 5, 2021

Mark Showalter