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Re: Sun Kepelerians..



Bryant,

... sorry but for Sun tracking purposes the Sun does orbit the Earth, ....
you can very accurately calculate the Sun's elev/azim based on an Earth
centric universe.

Cheers
Paul

----- Original Message -----
From: "Bryant Winchell" <bryantcw@cox.net>
To: "Tony Langdon" <tlangdon@atctraining.com.au>; "'Roy Schulz, VE7BPB'"
<VE7BPB@rac.ca>; "amsat-bb" <amsat-bb@amsat.org>
Sent: Thursday, January 09, 2003 11:35 PM
Subject: Re: [amsat-bb] Sun Kepelerians..


> Tony-
>
> Your question about Keps for the Sun intrigued me. Now, I'm no expert but
I
> believe Keplarian Elements only define orbits for bodies traveling around
> the earth.  It has been pretty well proven that the Sun doesn't [hi hi]. I
> checked my Nova software and the "Keps" listed for the Sun are all zero
[out
> to 7 or 8 places!] except Mean Motion which shows "1.00000000".
>
> I know this post doesn't help you except perhaps in a negative way. Good
> luck.
>
> 73
>
> Bryant, W2RGG/6
> ----- Original Message -----
> From: "Tony Langdon" <tlangdon@atctraining.com.au>
> To: "'Roy Schulz, VE7BPB'" <VE7BPB@rac.ca>; "amsat-bb"
<amsat-bb@AMSAT.Org>
> Sent: Thursday, January 09, 2003 6:23 PM
> Subject: RE: [amsat-bb] Sun Kepelerians..
>
>
> > > I wonder if someone could point me to, or post a set of
> > > Keplerian elements
> > > for the Sun, in NASA 2-line format.
> > > I want to use Satscape for tracking the Sun, but it does not allow Sun
> > > tracking by default, and does not seem to recognize the AMSAT
> > > format for
> > > keps.
> > >
> > > Thanks for the help..
> >
> > There's some keps around.  Do a Google search.  I think the docs for
> > moonkeps (a program to generate keps for lunar tracking) has a set of
keps
> > for the Sun.
> >
> > ---
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