Astronomy & Space
Advanced

Density from Orbit

Mean density inferred from a close orbital period.

Formula

ρ=3πGT2\rho = \frac{3\pi}{GT^2}

Variables

GConstant
TPeriod

Example

Handy for satellites

Did You Know?

Cross a planet's Roche limit and tidal forces shred a moon into rings — likely how Saturn's formed.

orbit

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