Apophis 2029 - Closest Approach: Structured Temporal Evolution in the Earth–Apophis System

This release presents a structured computational analysis of the Earth–Apophis dynamical system in the period 2018–2030, developed independently from standard orbital mechanics and designed to be fully reproducible from public JPL Horizons data. The work is developed within the CP364 methodological framework and focuses on the identification of structured temporal evolution inside a real dynamical system. Rather than treating the closest approach as the primary prediction target, the study uses it as an independent external verification point. The main objective is instead the reconstruction of the dynamical trajectory leading to the event through a sequence of observable temporal states distributed over time. The analysis introduces · relational high-resolution datasets · deterministic computational pipelines · synchronized Earth–Apophis geometry · temporal segmentation and pre-event checkpoint validation · 3D geometrical reconstruction and vortex structure analysis · publication-ready figures · reproducibility metadata and SHA256 integrity manifests Operational Timeline A sequence of operational checkpoints distributed between 2028 and 2029 allows progressive and falsifiable verification of the system behavior before the final closest approach event itself. Each checkpoint is associated with expected geometrical configurations and quantitative parameters such as vortex index, alignment, and angular dispersion. PRE-1Y — April 2028 diffuse relational structure, early large-scale coherence, weak local concentration. PRE-6M — October 2028 progressive radial alignment, beginning of local convergence, reduction of angular dispersion. PRE-3M — January 2029 intermediate vortex amplification, transition toward focused-node geometry, increasing relational coherence. PRE-1M — March 2029 strong geometrical convergence, emergence of localized pre-event structure, increased dynamical organization. PRE-72H — April 10, 2029 focused-node regime, strong local coherence, stable relational alignment. PRE-6H — April 13, 2029 strong local vortex intensification, concentrated geometrical structure, low angular dispersion. PRE-1H — April 13, 2029 maximum local concentration, stabilized relational core, minimum geometrical dispersion. CLOSEST APPROACH — April 13, 2029 External orbital verification point. Predicted convergence of the relational trajectory. Expected minimum Earth–Apophis distance: approximately 38, 000 km, consistent with JPL Horizons ephemeris data. Release contents · theoretical dossier · computational scripts (AP2030₀1–10) · structured outputs (CSV, Parquet) · publication-ready figures · AI semantic context layers · metadata and CITATION files · reproducibility manifests and SHA256 verification files · operational execution logs Methodological note The observations are presented independently from any specific interpretative framework. Possible theoretical interpretations based on Trinamica CP364 and the concept of Transition Regime (RT) are treated separately and are not required for the validity of the computational and empirical results. This work does not claim to replace standard orbital mechanics, NASA/JPL ephemerides, or official dynamical models. Instead, it proposes a complementary approach focused on structured temporal evolution, distributed dynamical verification, and relational system analysis. The release is designed to maximize: reproducibility, computational transparency, semantic consistency, methodological traceability, and long-term archival integrity.