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The goal of this work is to determine if the dynamics of individual TauridComplex (TC) objects are consistent with the formation of the complex viafragmentation of a larger body, or if the current orbital affinities betweenthe TC members result from other dynamical processes. To this end, the orbitalsimilarity through time of comet 2P/Encke, fifty-one Near-Earth Asteroids(NEAs) and sixteen Taurid fireballs was explored. Clones of each body werenumerically simulated backwards in time, and epochs when significant fractionsof the clones of any two bodies approached each other with both a low MinimumOrbit Intersection Distance and small relative velocity were identified. Onlytwelve pairs of bodies in our sample show such an association in the past 20000 years, primarily circa 3200 BCE. These include 2P/Encke and NEAs 2004 TG10,2005 TF50, 2005 UR, 2015 TX24, and several Southern Taurid fireballs. We findthis orbital convergence to be compatible with the fragmentation of a largeparent body five to six thousand years ago, resulting in the separation of2P/Encke and several NEAs associated with the TC, as well as some largermeteoroids now recorded in the Taurid stream. However, the influence of purelydynamical processes may offer an alternative explanation for this orbitalrapprochement without requiring a common origin between these objects. In orderto discriminate between these two hypotheses, future spectral surveys of the TCasteroids are required.

A dynamical analysis of the Taurid Complex: evidence for past orbital convergences