Re: Problems with J002E3 elements

From: Robert G Fenske Jr (fenske@rgfpc.electro.swri.edu)
Date: Sat Mar 29 2003 - 12:55:00 EST

  • Next message: Björn Gimle: "Re: Problems with J002E3 elements"

    On Sat, 29 Mar 2003, Bob King wrote:
    
    > (http://www.projectpluto.com/j002e3.htm) and used the orbital elements
    > there to try and create a chart using my planetarium charting program
    > MegaStar. However the value of 'a' or the semi-major axis is given in
    > kilometers rather than as a fraction. When I convert that figure to AUs
    > and input it into my charting program I get a value that gives me a
    > totally incorrect position for J002E3.
    
    	The orbital elements on the web page are geocentric -- could MegaStar
    be assuming the elements are heliocentric?
    
    Robert Fenske, Jr.   rfenske@swri.edu    Sw     |The Taming the C*sm*s series:
    Southwest Research Institute            /R---\  |
    Signal Exploitation & Geolocation Div  | I    | |"The Martian canals were the
    San Antonio,Texas USA  ph:210-522-3931  \----/  | Martians' last ditch effort."
    
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