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Hohmann Transfer Calculator

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Calculate the required delta-V (change in velocity) and transfer time for an efficient Hohmann transfer between two circular orbits around Earth. Assumes impulsive burns and coplanar orbits. Calculate the required delta-V (change in velocity) and transfer time for an efficient Hohmann transfer between two circular orbits around Earth. Assumes impulsive burns and coplanar orbits.

Transfer Details:

Initial Orbit
400.0 km / 248.5 mi
Final Orbit
35786.0 km / 22236.4 mi
First Burn (ΔV₁)
2.399 km/s / 1.491 mi/s(2399.32 m/s)
Second Burn (ΔV₂)
1.457 km/s / 0.905 mi/s(1457.21 m/s)
Total Delta-V (ΔVTotal)
3.857 km/s / 2.396 mi/s(3856.52 m/s)
Transfer Time
05:17:20 (HH:MM:SS)(19040 s)

Interactive Hohmann Transfer

Initial Orbit
Transfer Orbit
Final Orbit
Burn Points
Move your cursor to explore all orbits. Hover near any orbit to see details.

Hover over the orbit visualization to see details

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.

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