De Keyser, Johan. <i>Supplementary Material for: Predicting Boundary Crossings during the Comet Interceptor Flyby of a Yet Undetermined Target Comet - Software</i>. With De Keyser and data-contact of Royal Belgian Institute for Space Aeronomy, Version 1.0, Royal Belgian Institute for Space Aeronomy, 13 Nov. 2026, https://doi.org/10.18758/E9F5PIOC.