de422

JPL Planetary and Lunar Ephemeris DE422 for the jplephem package
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  • License:
  • MIT/X Consortium Lic...
  • Price:
  • FREE
  • Publisher Name:
  • Brandon Rhodes
  • Publisher web site:
  • https://github.com/brandon-rhodes/

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de422 Description

de422 is the most recent long-period ephemeris published by the Jet Propulsion Laboratory. While requiring more than half a gigabyte of space, it achieves quite high accuracy.Name: DE422 (September 2009)Years: -3000 through 3000Planets: YesSun/Moon: YesNutations: YesLibrations: YesReport: Jones, Fomalont, Dhawan, Romney, Folkner, Lanyi, Border, Jacobson (2010) Size: 531 MBThis ephemeris incorporates ranging data from recent spacecraft missions, including the Cassini mission to Saturn, which results in an accuracy for Saturn of a few milliarcseconds for positions over the past decade. If this ephemeris is too large for your application, take a look at DE421 and DE423 as alternatives.To compute using this ephemeris in Python, see the jplephem package.Product's homepage


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