Ephem |
Description: | This library is intended to provide the user with various ephemeris-generating routines, particularly in the calculation of planetary, solar, and lunar positions, and in the estimation of eclipse parameters. Most of the routines used may be found in Duffet-Smith (see the bibliography), although the iterative solution for Kepler's equation is found on pages 85-87 of the AE Roy reference, and none of the routines claim to be speedy or efficient -- mostly due to repeated calculations of positions with no saving of previous results. They have been tested against the examples provided in the sources and match with a reasonable amount of error (probably due to round-off in the examples). Planetary longitudes have been checked against the Menzel and Duffet-Smith sources at random, and are within a degree. A level of familiarity with astronomy and orbital mechanics is assumed. |
Filename: | ephem1s.zip |
ID: | 4963 |
Current version: | 1.0 |
Author: | Keith J. Farmer |
Downloaded file size: | 13,113 bytes |
Size on calculator: | 6 KB |
Platforms: | 48 |
User rating: | Not yet rated (you must be logged in to vote) |
Primary category: | Science/Astronomy |
Languages: | ENG |
File date: | 2001-12-20 19:25:37 |
Source code: | Included |
Download count: | 5,990 |
Version history: | 2001-12-20: Added to site
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Archive contents: | Length Date Time Name
--------- ---------- ----- ----
161 1980-06-29 23:23 ephem1s.inf
14556 1980-06-29 23:21 ephem1s.src
6308 1980-06-29 22:54 ephem1s.lib
7660 1980-06-29 23:19 ephem1s.txt
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28685 4 files |
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Library contents: | ephem1s.lib: Library 1631, EPHEM :Ephemeris Lib
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