2026-10-26

Jupiter's "analemma" over $83$ years

I previously made a post on Jupiter's "analemma" over $12$ years.

Jupiter's orbital period being $11.86$ years, it does not align nicely with the $12$ year duration chosen in that post. That makes the "analemma" only very approximate. For a more perfect "analemma", a duration of $83$ years is needed (see the table in this post). $83$ years equals $7$ Jovian orbits with an error of only $13.027483$ days or $0.301\%$ of the Jovian year.

Tracing Jupiter's "analemma" over $83$ years yields the following path which is definitely more Lissajous and has a better symmetry.

Jupiter's "analemma" over $83$ years

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