PPOLEPA

Name

ppolepa

Purpose (one Line Only)

Compute the position angle of Pluto's pole on the plane of the sky

Description

Calling Sequence

ppolepa,jd,posang

Inputs

jd - Julian date for the position angle calculation

Optional Input Parameters

Keyword Input Parameters

Outputs

posang - position angle of the projected pole, E of N, radians

Keyword Output Parameters

Common Blocks

Side Effects

Restrictions

There is a hardcoded value for the inclination and node of Charon's orbit
that is used to compute the pole of Charon's orbit. This pole is assumed
be coincident with Pluto's rotation pole.

Procedure

Modification History

2011/11/29, Written by Marc W. Buie, Southwest Research Institute
guided by PPOLEPA.F written by David J. Tholen