## Roche limit

[rōs̸h]

the lowest possible altitude at which a natural satellite can form and orbit, withstanding the fragmenting force of the gravitational pull of a planet or other primary celestial body

Origin of Roche limit

after E.*Roche*(1820-83), French astronomer

## Roche limit

noun

The smallest distance at which a natural satellite can orbit a celestial body without being torn apart by the larger body's gravitational force. The distance depends on the densities of the two bodies and the orbit of the satellite.

Origin of Roche limit

After Edouard Albert*Roche*,

*(1820–1883), French mathematician*.

## Roche limit

Noun

(*plural* Roche limits)

Origin

From Édouard Roche French astronomer