Ground Track Repeat Cycle
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Shift per orbit
24.72 deg
Earth rotation under each orbit
Repeat orbit count
44 orbits
3.00 sidereal days
Closure error
7.57 deg
residual longitude miss
Ground-track repeat map
44 orbits
Each orbit lands on a shifted longitude because Earth rotates beneath the orbital plane.
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.