From jhill@nosc.mil Sun Oct 15 15:07:06 1995 Path: solitaire.cv.nrao.edu!hearst.acc.Virginia.EDU!maui.cc.odu.edu!news.larc.nasa.gov!lerc.nasa.gov!magnus.acs.ohio-state.edu!math.ohio-state.edu!howland.reston.ans.net!tank.news.pipex.net!pipex!news.mathworks.com!newsfeed.internetmci.com!news.msfc.nasa.gov!pecos.msfc.nasa.gov!not-for-mail From: "Jay R. Hill" Newsgroups: sci.astro.amateur,sci.astro,sci.astro.research Subject: Re: Where to get VSOP82 terms? Date: 13 Oct 1995 17:05:26 -0500 Organization: SAIC Lines: 23 Sender: astres@pecos.msfc.nasa.gov Approved: astres@pecos.msfc.nasa.gov Distribution: world Message-ID: <45mnr6$151@pecos.msfc.nasa.gov> Reply-To: jhill@nosc.mil NNTP-Posting-Host: pecos.msfc.nasa.gov Keywords: solar_system Xref: solitaire.cv.nrao.edu sci.astro.amateur:19224 sci.astro:89273 sci.astro.research:1051 rainman@PostOffice.chv.va.us wrote: >I am looking for some similar information. One thing you >probably already know is that Meeus says that he includes only >the more significant terms in the VSOP87. I currious as to the >full extent of VSOP87 and how it was derived. I assume that it >is based on a curve fit of integrated data, but I'm not sure. >I would also like to know what level of computation is required >for a 'numerical integration.' Somehow I think that today's >Pentiums could crank out some good data in a reasonable amount >of time, but I could be wrong. > If you want to keep your Pentium busy, get the excellent program DE118. It is the last word (except for DE200) in numerical integration. I got it at a mirror site: http://www.acs.oakland.edu/oak/SimTel/msdos/astrnomy.html de118i.zip (Image) 93/03/20, 185587 bytes N-body numerical integration of moon & planets Jay -- From jhill@nosc.mil Sun Oct 15 15:07:14 1995 Path: solitaire.cv.nrao.edu!hearst.acc.Virginia.EDU!maui.cc.odu.edu!news.larc.nasa.gov!lerc.nasa.gov!magnus.acs.ohio-state.edu!math.ohio-state.edu!howland.reston.ans.net!tank.news.pipex.net!pipex!news.mathworks.com!newsfeed.internetmci.com!news.msfc.nasa.gov!pecos.msfc.nasa.gov!not-for-mail From: "Jay R. Hill" Newsgroups: sci.astro.amateur,sci.astro,sci.astro.research Subject: Re: Where to get VSOP82 terms? Date: 13 Oct 1995 17:05:26 -0500 Organization: SAIC Lines: 23 Sender: astres@pecos.msfc.nasa.gov Approved: astres@pecos.msfc.nasa.gov Distribution: world Message-ID: <45mnr6$151@pecos.msfc.nasa.gov> Reply-To: jhill@nosc.mil NNTP-Posting-Host: pecos.msfc.nasa.gov Keywords: solar_system Xref: solitaire.cv.nrao.edu sci.astro.amateur:19224 sci.astro:89273 sci.astro.research:1051 rainman@PostOffice.chv.va.us wrote: >I am looking for some similar information. One thing you >probably already know is that Meeus says that he includes only >the more significant terms in the VSOP87. I currious as to the >full extent of VSOP87 and how it was derived. I assume that it >is based on a curve fit of integrated data, but I'm not sure. >I would also like to know what level of computation is required >for a 'numerical integration.' Somehow I think that today's >Pentiums could crank out some good data in a reasonable amount >of time, but I could be wrong. > If you want to keep your Pentium busy, get the excellent program DE118. It is the last word (except for DE200) in numerical integration. I got it at a mirror site: http://www.acs.oakland.edu/oak/SimTel/msdos/astrnomy.html de118i.zip (Image) 93/03/20, 185587 bytes N-body numerical integration of moon & planets Jay --