Oberth Effect (Impulsive Δv)
This interactive simulator explores Oberth Effect in Gravity & Orbits. Same prograde Δv at peri vs apo on one ellipse; higher ε when burning deep. Use the controls to change the scenario; watch the visualization and any graphs or readouts to connect the model with lectures, labs, and homework.
Who it's for: Best once you already know the basic definitions and want to build intuition. Typical context: Gravity & Orbits.
Key terms
- oberth
- effect
- oberth effect
- gravity
- orbits
How it works
**Oberth effect**: firing engines **low** in the potential (high **v**) extracts more **orbital energy** from a fixed propellant budget than the same Δv **high** and slow. Classic for gravity assists and capture maneuvers (still idealized: impulsive burns, no drag).
Key equations
More from Gravity & Orbits
Other simulators in this category — or see all 14.
Gravity-Assist Fly-By
Planet frame |u_out|=|u_in| rotated by δ; star frame v = V + u — Δ|v| from moving planet.
Orbit Simulator
Launch satellites. Achieve circular, elliptical orbits, or escape.
Solar System
Interactive scaled model with time controls and orbital data.
Gravity Sandbox
Place masses and watch N-body gravitational interactions unfold.
Kepler's Laws
Elliptical orbits with equal-area sweeps visualized.
Escape Velocity
Launch from different planets and see trajectory results.