See, for instance, "IERS Annual Report 2004"(PDF). Archived from the original(PDF) on 2012-04-26. Retrieved 2012-01-31. which mentions DE407 only very briefly.
See "de408.cmt". at NASA's Navigation and Ancillary Information Facility website and Peale, S. J.; Yseboodt, M.; Margot, J.-L. (2006). "Long-period forcing of Mercury's libration in longitude". Icarus. 187 (2): 365–373. Bibcode:2007Icar..187..365P. doi:10.1016/j.icarus.2006.10.028. which states that DE408 covered 20,000 years.
Newhall, X. X.; Standish, E. M.; Williams, J. G. (1983). "DE 102 - A numerically integrated ephemeris of the moon and planets spanning forty-four centuries". Astronomy and Astrophysics. 125 (1): 150. Bibcode:1983A&A...125..150N.
Standish, E. M. Jr. (July 1990). "The observational basis for JPL's DE 200, the planetary ephemerides of the Astronomical Almanac". Astronomy and Astrophysics. 233 (1): 252. Bibcode:1990A&A...233..252S.
Standish, E. M. Jr.; Newhall, X. X. (1996). "New accuracy levels for solar system ephemerides (Lecture)". Dynamics. 172: 29. Bibcode:1996IAUS..172...29S.
See "de408.cmt". at NASA's Navigation and Ancillary Information Facility website and Peale, S. J.; Yseboodt, M.; Margot, J.-L. (2006). "Long-period forcing of Mercury's libration in longitude". Icarus. 187 (2): 365–373. Bibcode:2007Icar..187..365P. doi:10.1016/j.icarus.2006.10.028. which states that DE408 covered 20,000 years.
See "de408.cmt". at NASA's Navigation and Ancillary Information Facility website and Peale, S. J.; Yseboodt, M.; Margot, J.-L. (2006). "Long-period forcing of Mercury's libration in longitude". Icarus. 187 (2): 365–373. Bibcode:2007Icar..187..365P. doi:10.1016/j.icarus.2006.10.028. which states that DE408 covered 20,000 years.
See, for instance, Standish (2004). "The Ephemeris of Pluto: DE413"(PDF). JPL Interoffice Memorandum IOM 343-04-008. which compares DE413 output with DE411.
See the "JPL FTP site". Archived from the original on 6 May 2025. with ephemerides (data files), source code (for access and basic processing of the data to recover positions and velocities), and documentation.
See, for instance, "IERS Annual Report 2004"(PDF). Archived from the original(PDF) on 2012-04-26. Retrieved 2012-01-31. which mentions DE407 only very briefly.