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X(13), X(14), X(531), X(6111), X(8173), X(11600), X(15743), X(16247), X(16256)

O(X14) is the orthopivotal cubic with orthopivot the second Fermat point. It is a strophoid with singular focus X(13) meeting its real asymptote at X = X(16256)

See the FG paper "Orthocorrespondence and orthopivotal cubics" in the Downloads page and Orthopivotal cubics in the glossary.

See also CL038, the class of non-isogonal circum-strophoids.