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Structural Selection

Simulation

ISCO Shift Scaling

δr_ISCO ~ O(g³/(GM)²)

PASSC2_isco_shift_scaling
ISCO Shift Scaling — generated output

What this does prove

The innermost stable circular orbit's shift from the Schwarzschild value scales cubically with the core parameter g, matching the predicted exponent (fitted: 3.00024).

What this does not prove

That this scaling is observationally distinguishable with current instruments, or what numerical value of g (if any) is physically realized.

Claim C2_isco_shift_scaling — from No-Singularity Gravity Ch. 5.5 Innermost Stable Circular Orbits

delta r_ISCO ~ O(g^3/(GM)^2).

Measured
3.0002398340715137
Expected
~3.0
Source: theory_lab/group_c_structural_stability/no_singularity_gravity.py in UNIFIED_THEORY_LAB. See how to run this yourself.