Lunar Impact Crater Physics Simulator

Matter.js v0.19
Lunar Gravity: 1.62 m/s²
Target: Einstein Crater Regolith
Impact Configuration
Impact Velocity (v) 2.42 km/s
1.0 km/s (3,600 km/h) 20 km/s (72,000 km/h)
Projectile Mass (m) 4,000 kg
Impact Angle (θ) 60°
Regolith Density (ρ) 1,500 kg/m³
Surface Gravity (g) 1.62 m/s²
* Uses Pi-group kinetic cratering scaling laws (Holsapple & Housen) combined with Matter.js rigid-body particle dynamics.
STATUS: READY
T+ 0.00 s
SCALE: 1 px ≈ 0.4 m
EJECTA PARTICLES: 0
Timeline
Physics Telemetry
Kinetic Energy (E_k)
11.68 GJ
≈ 2.79 Tons TNT
Predicted Crater Diameter
27.2 m
(~89.2 ft across)
Predicted Crater Depth
5.1 m
(~16.7 ft deep)
Max Ballistic Ejecta Radius
142.5 m
Low-gravity dispersion footprint
Crater Profile Morphology Empirical vs Particle
― Scaled Analytic Profile --- Matter.js Excavation
Grounding Source: Chris Hadfield (@Cmdr_Hadfield) Falcon 9 Lunar Impact
Slug: lunar-impact-crater-sim-66 | Hypervelocity Planetary Scaling Lab
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