Naval Observatory uses the current JPL ephemeris, DE405, tocompute positions in The Astronomical Almanac. Astrometricpositions will also be available, along with other routines forlocal observation. There will be one big change in the next version: the #define valuesfor EPHCOM_MERCURY and up will start at zero, not at one. The next update will be available 'real soon' (as of September 2004).If you would like notification when it is available, please send anemail put 'update' somewhere in the subject of your email. AU/day andkilometers/day report correct results. There is one known bug: velocities calculated in AU/second or kilometers/secondare not computed correctly because of a misplaced multiplication inephcom_get_coords(). The software is available as a gzipped tarball or a Winzip archive:Į-mail any questions Sendbug reports Known Bugs and Future Update Myles Standishof NASA's Jet Propulsion Laboratory for the JPL ephemeris files (DE200,DE405, DE406, etc.). That will help anyone interestedin finding the latest copy. If you use this software, reference to 'The Software Library'or be greatly appreciated. The LGPL allows you to use thesoftware for free (but without any warranty), even if you use it insoftware you intend to sell.įor a general overview, see the README.txt file(corrected on, with correction added to distribution below).For the full terms of the Lesser Gnu Public License version 2.1, seeLICENSE.txt. This software reads and writes NASA'sJet Propulsion Laboratory planetary ephemeris files, andcalculates positions and velocities with the full precision ofthe original JPL software, which is written in FORTRAN.This library is written in C, and is made available for freeunder the Lesser Gnu Public License. An almanac of the daily motions of the planets and stars.Į - A website devoted to information about time and motion in the universe.Į is pleased to offer Version 1.0 of the software library. Manual entry of Latitude, Longitude and Time Zone.Įphemeris - Latin, originally from the Greek 'ephémeros, -on,' daily. Lookup Latitude & Longitude via a global Map with address search. IPhemeris uses an international Time Zone database on the internet. Lots of tools and functionalities that are exceptional, and the charts are composed exceptionally well. Given the competition, I really believe this is a brilliant companion for any student or professional astrologer. IPhemeris is a wonderful astrology application.
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