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IAU Commission 4

Topics Related to Ephemerides
 



 Recent Papers and Information Related to Ephemerides  


  Documentation of JPL's DE403 and DE405

  The St. Petersburg Institute of Applied Astronomy's EPM series of ephemerides  

  IAU List of Current Best Estimates of Astronomical Constants 

  Relations Between the Astronomical Times, ET, TDB, TCB, TT, TAI UTC, etc.

  Frequently Asked Questions about Astronomical Phenomena 

  ICRS : International Celestial Reference System 

  IERS Standards (International Earth Rotation Service) 

  USNO Circular 179 

  Asteroid Perturbations

  Lunar Laser Ranging

  Relativity Tests, etc.






  Documentation of JPL's DE403 and DE405 

* de403iom/  

  "The JPL Planetary and Lunar Ephemerides, DE403/LE403" 

      [in TeX ("de403iom.tex") or pdf ("de403iom.pdf")

       or PostScript ("de403iom.ps") with separate PostScript figures ("figx.ps")]

* de405iom/  

  "The JPL Planetary and Lunar Ephemerides, DE405/LE405" 

     [in PostScript ("de405iom.ps") or pdf ("de405iom.pdf")

       or in LaTeX ("de405iom.tex") with associated PostScript figures ("de405figx.ps")]

* XSChap8.pdf 

  "Detailed Description of the JPL Planetary and Lunar Ephemerides, DE405/LE405"




  The St. Petersburg Institute of Applied Astronomy's EPM2000 and EPM2004

* EPM2000/  

  A description of EPM2000, from the IAA in St. Petersburg

      [in PostScript ("EPM2000.PS") with separate PostScript figures

             ("FIG1.PS","FIG2-3.PS","FIG4-5.PS",

              "FIG6-7.PS","FIG8.PS","FIG9-12.PS","FIG13-17.PS")]

* EPM2004.pdf  

A description of EPM2004, the latest from the IAA:

  "High-precision ephemerides of planets - EPM and determination of some astronomical constants" by E V Pitjeva




  IAU List of Current Best Estimates of Astronomical Constants 

* iausgnsrpt.ps  
* iausgnsrpt.pdf  

  "Report of the IAU WGAS Sub-group on Numerical Standards"




 Relations Between the Astronomical Times (ET, TDB, TCB, TT, TAI UTC, etc.)

* timescales.ps  
* timescales.pdf  

"Time Scales in the JPL and CfA Ephemerides"
     by E M Standish    [in PostScript ("timescales.ps") or PDF ("timescales.pdf")]

* time-eph.ps  

"A numerical time ephemeris of the Earth"
     by A W Irwin and T Fukushima     [in PostScript ("time-eph.ps")]



  Frequently Asked Questions about Astronomical Phenomena 

* http://aa.usno.navy.mil/aa/faq/  

  The Naval Observatory's descriptions about Phenomena, Time, Calendars, etc.



  ICRS : International Celestial Reference System 

* http://aa.usno.navy.mil/AA/faq/docs/ICRS_doc.html  

  Narrative about the ICRS

* http://aa.usno.navy.mil/AA/data/docs/ICRS_links.html  

  List of important ICRS-related links




  IERS Standards (International Earth Rotation Service) 

* http://maia.usno.navy.mil/conv2003.html  
or
* http://tai.bipm.org/iers/conv2003/conv2003.html  

        IERS Conventions 2003



  USNO Circular 179 :  
 
* http://aa.usno.navy.mil/kaplan/Circular.html  

      IAU Resolutions on Astronomical Reference Systems, Time Scales, and Earth Rotation Models




 Asteroid Perturbations 

* EMSAGF.pdf 
"Accuracy limit of modern ephemerides imposed by the uncertainties in asteroid masses"
  by E.M.Standish and A.G.Fienga

* PBAGFJLS.pdf 
"Analytical and numerical studies of asteroid perturbations on solar system planet dynamics"
  by P.Bretagnon, A.G.Fienga, and J.-L.Simon

* KPVY.pdf 
"Hidden mass in the asteroid belt" 
  by G.A.Krasinsky, E.V.Pitjeva, M.V.Vasilyev and E.I.Yagudina"




 Lunar Laser Ranging 

* GAK.pdf 
"Selenodynamical parameters from analysis of LLR observations 1970-2001"
  by G.A.Krasinsky

* JGWDHBJTR.pdf 
"Lunar Fluid Core and Solid-Body Tides"
  by J.G.Williams, D.H.Boggs, and J.T.Ratcliff




 Relativity Tests, etc. 

* JGWSGTDHB.pdf 
"Progress in Lunar Laser Ranging Tests of Relativistic Gravity"
  by J.G.Williams, S.G.Turyshev, and D.H.Boggs

* GAKVAB.pdf 
"Secular increase of astronomical unit from analysis of the major planet motions, and its interpretation" 
  by G.A.Krasinsky and V.A.Brumberg
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