"Synthetic Executable Companion: Artemis II Overview Timeline (April 1st Revision, 2026)"

"This dataset presents a synthetic executable companion to the publicly released Artemis II Overview Timeline (April 1st revision, DU 3\/18\/2026). The companion translates a static mission timeline into a runnable simulation package that models major phases of the Artemis II crewed lunar flyby, including low Earth orbit, high Earth orbit, trans-lunar injection, lunar sphere of influence, trans-Earth return, and splashdown. The generated bundle includes a Python-based simulator, structured synthetic data tables, scenario definitions, and figures covering Earth distance, Moon distance, spacecraft velocity, radiation dose, cabin pressure, activity patterns, and free-return trajectory behavior.The package is intended as a supplementary educational and exploratory resource rather than an official NASA mission product. It provides a reproducible way to examine how mission events and assumed parameters can be translated into a quantitative model for teaching, visualization, and scenario analysis. The outputs are synthetic; some parameters were extracted from the source timeline, while others were assumed, and the current version should be viewed as an early, automatically generated baseline."