An Etymological Dictionary of Astronomy and Astrophysics

For any rotating planetary body, a thermal limit beyond which the → rotational velocity at the equator intersects the → Keplerian orbital velocity. Beyond this corotation limit, a hot planetary body forms a structure, called a → synestia, with a corotating inner region connected to a disk-like outer region.

Beyond this limit a body cannot have a single → angular velocity. It can instead exhibit a range of morphologies with disk-like outer regions. The (CoRoL is a function that depends upon the composition, thermal state, → angular momentum and mass of a body

(Simon J. Lock nd Sarah T. Stewart, 2017, arXiv:1705.07858v1).

See also: → co-; → rotational; → limit.