3D simulation

Black Hole Orbit Simulator

Gravity · orbital speed · event horizon · accretion

Learning outcomeExplore how stronger gravity changes the speed and shape of nearby orbits.

Interactive 3D model

Black-hole mass10 M☉Orbit radius12.00 Schwarzschild radii

Schwarzschild radius29.5 km

Orbit radius354 km

Newtonian speed20.4% c

Learning focus

Explore how compact mass changes orbital scale and why very close orbits require extreme speeds.

rₛ = 2GM/c² · Newtonian v ≈ √(GM/r)