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THE FEUTEX TOOLKIT

Hohmann Transfer Budget

Estimate two impulsive burns and coast time between coplanar circular orbits.

Astronomy workspace● Runs in your browser

01 Your input

Starting orbital radiuskmTarget orbital radiuskmGravitational parameterkm³/s²

02 Your result

View or copy raw result data

Result data

Formula

First burn magnitude = abs(sqrt(mu/r1)*(sqrt(2*r2/(r1+r2))-1)); Second burn magnitude = abs(sqrt(mu/r2)*(1-sqrt(2*r1/(r1+r2)))); Transfer coast time = PI*sqrt(((r1+r2)/2)**3/mu)

Sources and model references

How to use this tool

Estimate two impulsive burns and coast time between coplanar circular orbits.
Set starting orbital radius, target orbital radius, gravitational parameter in the indicated units.
Calculate and compare first burn magnitude, second burn magnitude, transfer coast time.

Try this example

{
  "r1": 7000,
  "r2": 14000,
  "mu": 398600.4418
}

Accuracy and scope

Idealized educational model. Enter measured values in the displayed units; real systems may require additional corrections.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.