galpy.potential.rE

galpy.potential.rE(Pot, E, t=0.0)[source]

NAME:

rE

PURPOSE:

calculate the radius of a circular orbit with energy E

INPUT:

Pot - Potential instance or list thereof

E - Energy (can be Quantity)

t - time (optional; can be Quantity)

OUTPUT:

radius

HISTORY:

2022-04-06 - Written - Bovy (UofT)

NOTE:

An efficient way to call this function on many objects is provided as the Orbit method rE