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Kepler's Third Law Calculator
Calculate orbital period and semi-major axis using Kepler's third law
Instructions: Enter the semi-major axis ($a$) in Astronomical Units (AU) and central star mass ($M$) in solar masses to compute the orbital period ($T$).
Orbital Parameters
Calculation Results
⚠️ For astronomy and physics education reference only. Assumes a circular or elliptical orbit around a single central mass.