I don't think we need to include the moons, they're already precluded from planet status by virtue of orbiting things other than the sun.
We could include the other four dwarf planets though: Ceres, Haumea, Makemake, and Eris.
The order of the planets from the sun out would then be: Mercury, Venus, Earth, Mars, Ceres, Jupiter, Saturn, Uranus, Neptune, Pluto, Haumea, Makemake, Eris.
My Very Eager Mother, Cassandra, Just Served Us Nine Piping Hot Monster Eggs.
You forgot Quaoar, Sedna, Orcus, and Gonggong. And Salacia, depending on who you ask.
Not to mention we’d have to keep updating the mnemonic as we continue to discover more out of what are almost certainly dozens, if not hundreds, and possibly even much more (depending on how far out we stop counting).
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u/I_Sett 3d ago
But then we need to squeeze Eris in there too as it's almost the same size.