marando/de421

JPL DE421

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github.com/marando/DE421

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1.0 2016-08-16 20:06 UTC

GNU2 47a7df12da9533a3e7ad29e58497d9e22091d5bc

  • Ashley Marando <a.marando.woop@me.com>

This package is not auto-updated.

Last update: 2024-05-11 17:56:36 UTC

README

Created Feb 2008; includes nutations and librations.
Referred to the International Celestial Reference Frame.
Covers JED 2414864.5 (1899 JUL 29) to JED 2471184.5 (2053 OCT 09)

Fit to planetary and lunar laser ranging data.
(See Folkner et al., 2009)