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OMEGA local geometric object
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a            = 1.000000000000000
φ            = 1.618033988749895
Ω₀ = φ + π   = 4.759626642339688

ε            = 4.848136811095360e-06 rad
δ = ε/2      = 2.424068405547680e-06 rad
s = sin(δ)   = 2.424068405545306e-06
c = cos(δ)   = 0.999999999997062

Positive baseline levels:
x0 = s       = 0.000002424068406
x1 = 1 + s   = 1.000002424068406
x2 = φ^2 + s = 2.618036412818300

Six marked points (left to right):
p2,- = (-2.618036412818300, -0.999999999997062,  0.000000000000000)
p1,- = (-1.000002424068406, -0.999999999997062,  0.000000000000000)
p0,- = (-0.000002424068406, -0.999999999997062,  0.000000000000000)
p0,+ = ( 0.000002424068406, -0.999999999997062,  0.000000000000000)
p1,+ = ( 1.000002424068406, -0.999999999997062,  0.000000000000000)
p2,+ = ( 2.618036412818300, -0.999999999997062,  0.000000000000000)

Consecutive separations along the baseline:
|p2,- - p1,-| = 1.618033988749895   (expected aφ)
|p1,- - p0,-| = 1.000000000000000   (expected a)
|p0,+ - p0,-| = 4.848136811090612e-06   (expected 2as)
|p1,+ - p0,+| = 1.000000000000000   (expected a)
|p2,+ - p1,+| = 1.618033988749895   (expected aφ)

Center-relative radii:
ρ0 = 1.000000000000000
ρ1 = 1.414215276447264
ρ2 = 2.802519341384933

Seed angle check:
θ_seed       = 4.848101439241487e-06 rad
difference   = 3.537185387325029e-11

Normalized scalar shares:
λ = φ/(φ+π)  = 0.339949771344779
μ = π/(φ+π)  = 0.660050228655221
λ + μ        = 1.000000000000000

Geometric definition:
  Major arc: γ(t) = (a sin t, -a cos t, 0),   ε/2 ≤ t ≤ 2π - ε/2
  Extensions: E±(r) = (±a r, -a c, 0),        s ≤ r ≤ s + φ^2
  Object = major arc ∪ left extension ∪ right extension
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LOCAL OBJECT PASS: seed pair at radius a; major arc ∪ E₋ ∪ E₊;
consecutive separations aφ, a, 2as, a, aφ; not a diameter figure.