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C3 Energy

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km2/s2
km3/s2

Departure delta-v

3,736.12 m/s

536 m/s above parabolic escape

Hyperbolic excess

3.46 km/s

speed at infinity

Perigee speed

11.46 km/s

post-burn speed

C3 injection geometry

C3 12.00 km²/s²

A parking-orbit burn raises perigee speed above local escape speed, leaving hyperbolic excess velocity.

Injection BurnParking OrbitDeparture Hyperbola

Open Source and Easy to Use Elsewhere

This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.

Open source: review the implementation and see how the results are produced.

Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.