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Re: Planet movements [message #19190]

Sun, 05 March 2000 00:00

Mike Schienle
Messages: 37
Registered: May 1997

Member

In article <01781ef1.6a301fb1@usw-ex0105-034.remarq.com>, htonishi
<htonishiNOhtSPAM@home.com.invalid> wrote:

> www.fourmilab.ch

Thanks to everyone that provided help. I think I found what I need
through a link at the above, which led me to a link for the book
"Astronomical Algorithms" on
<http://www.fourmilab.to/solar/credits.html>. I've ordered that book
through <http://www.fatbrain.com/>. For anyone else interested in the
book, the provided ISBN on the fourmilab page is outdated and should be
0943396611.

--
Mike Schienle Interactive Visuals, Inc.
mgs@ivsoftware.com Remote Sensing and Image Processing
http://www.ivsoftware.com/ Analysis and Application Development

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Re: Planet movements [message #19191 is a reply to message #19190]

Sat, 04 March 2000 00:00

htonishi
Messages: 7
Registered: September 1999

Junior Member

Here's some freeware

http://www.fourmilab.ch/

Program is called Home Planet

http://www.stk.com/

Program is called STK (Satellite Tool Kit -- I don't know if it
has planets but it seems to have everything else so, ...)

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Re: Planet movements [message #19198 is a reply to message #19191]

Fri, 03 March 2000 00:00

htonishi
Messages: 7
Registered: September 1999

Junior Member

Mike,

Here is the definitive answer. Unfortunately it requires a
certain amount of expertise.

http://aa.usno.navy.mil/AA/

The NOVAS code contains a subroutine called tpplan (FORTRAN
version) which calls a JPL subroutine which access the database
and computes the planet position as seen by an observer on the
earth.

Also, see the link to Jet Propulsion Laboratory DE405 planetary
ephemeris.

Of course this stuff is not in IDL. You might want to check out
some of the IDL astro sites. They might have something that
could be used directly.

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Re: Planet movements [message #19205 is a reply to message #19198]

Fri, 03 March 2000 00:00

John-David T. Smith is currently offline

John-David T. Smith
Messages: 384
Registered: January 2000

Senior Member

Mike Schienle wrote:
>
> Hi all -
>
> I have a friend with an Astrology angle that would like me to map the
> planet's movements for a given day. Can someone clue me in what I need
> to get started with this? I'm about to head over to a few NASA sites and
> see if I can find an ephemeris and TLE's, but not knowing exactly what
> to do with them. This is a new area for me, so anything related (books,
> sites, info) would be very helpful.

http://www.heavens-above.com/planets.asp

JD

--
J.D. Smith |*| WORK: (607) 255-5842
Cornell University Dept. of Astronomy |*| (607) 255-6263
304 Space Sciences Bldg. |*| FAX: (607) 255-5875
Ithaca, NY 14853 |*|

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