# galpy.orbit.Orbit.LcE¶

Orbit.LcE(*args, **kwargs)[source]

NAME:

LcE

PURPOSE:

calculate the angular momentum of a circular orbit with the same energy

INPUT:

pot= potential instance or list of such instances

ro= (Object-wide default) physical scale for distances to use to convert (can be Quantity)

vo= (Object-wide default) physical scale for velocities to use to convert (can be Quantity)

use_physical= use to override Object-wide default for using a physical scale for output

OUTPUT:

L_c(E) [*input_shape,nt]

HISTORY:

2022-04-07 - Written - Bovy (UofT)