···6767 Alcotest.(check bool) "high relative velocity" true (dv > 5.0);
6868 Printf.printf " Relative velocity at TCA: %.3f km/s\n" dv
69697070-(* MISSION-READY TEST: TCA precision.
7070+(* TCA precision.
7171 We find the closest approach by stepping through 10s-spaced data.
7272 The REAL TCA is between two steps. Our step-based TCA has up to 10s error.
7373···126126 (interpolation between steps)."
127127 max_delta
128128129129-(* MISSION-READY TEST: Pc computation gap.
129129+(* Pc computation gap.
130130 Real conjunction assessment requires covariance matrices to compute Pc.
131131 GMAT OEMs don't include covariance — we can't compute Pc from OEMs alone.
132132 This test documents the gap: we have positions but no uncertainty estimate.