Task 509: EP02 Arrival Consistency + Radiation Reproduction Tests
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Task 509: EP02 Arrival Consistency + Radiation Reproduction Tests
Status: DONE
Summary
Added 9 reproduction tests pinning EP02 arrival consistency scenario values and Jupiter radiation analysis parameters. These are "golden file" tests that catch recalculation drift in the v∞ resolution analysis.
Tests Added
EP02 arrival consistency (5 tests)
- Prograde-only: ~87 days, v∞ ≈ 90 km/s, capture impractical (>70 km/s ΔV)
- Ballistic: ~997 days, v∞ ≈ 9.2 km/s, capturable (2.2 km/s ΔV)
- Best efficiency: 1.5d+1.5d → ~166 days, v∞ ≈ 10.5 km/s, <1% propellant
- 12 two-phase scenarios computed, fastest < 100 days
- Balanced accel/decel achieves capturable v∞ ≈ 10 km/s (key v∞ resolution finding)
EP02 Jupiter radiation (4 tests)
- Shield budget = 0.04312 krad
- Min survival velocity ≈ 50.4 km/s
- Ballistic 7 km/s: dose 0.310 krad, shield fails, 7.2x budget
- Accelerated 60 km/s: dose 0.036 krad, shield survives, 0.84x budget
Impact
Pins the EP02 v∞ resolution and radiation survival analysis. If the two-phase transfer model changes, these tests will catch the drift before it propagates to reports.