Invariable plane
The invariable plane of a planetary system, also called Laplace's invariable plane, is the plane passing through its barycenter (center of mass) perpendicular to its angular momentum vector.
| Year | Jupiter | Saturn | Uranus | Neptune |
|---|---|---|---|---|
| 2009 | 0.32° | 0.93° | 1.02° | 0.72° |
| 142400 | 0.48° | 0.79° | 1.04° | 0.55° |
| 168000 | 0.23° | 1.01° | 1.12° | 0.55° |
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