Orbital Drag Decay Estimator
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Atmospheric drag decay
790.4 m/day
Drag removes orbital energy, shrinking a nearly circular path into a slow inward spiral.
Decay rate
790.41 m/day
50.8 m per orbit
Orbit period
92.56 min
circular Kepler period
Ballistic coefficient
56.82 kg/m²
mass divided by Cd A
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.