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Article: <wlq1FrASFWOzEwBD@chrism.demon.co.uk>
From: Chris Marriott <chris@chrism.demon.co.uk>
Newsgroups: sci.astro.amateur
Subject: Re: How orbit elements translate to period
Date: Wed, 26 Mar 1997 17:48:02 +0000
Organization: SkyMap Software
In article <Pine.SOL.3.91.970326150944.5431B-100000@eigsun9>, TAMONE
Francois - System Engineer <tamone@eig6.unige.ch> writes
>How to obtain a (or T=period) from the given orbit elements ?
>
>usually given orbit elements:
>
>e: eccentricity of ellipse
>Tp: time of perihelion
>w: argument of perihelion
>Node: ascending node longitude
>i: orbital inclination
>p: perihelion passage distance
Using your symbols above:
a = p/(1-e)
Period = a^1.5
Chris
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Chris Marriott, SkyMap Software, U.K. e-mail: chris@skymap.com
Creators of fine astronomy software for Windows.
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