libswe0 1.77.00.0005-7 (i386 binary) in ubuntu saucy

 libswe0 allows programs to access the Swiss Ephemeris.
 The SWISS EPHEMERIS is the high precision ephemeris developed
 by Astrodienst, largely based upon the DE406 ephemeris from NASA's JPL.
 The Swiss Ephemeris is based upon the latest planetary and lunar
 ephemeris, DE405/406, developed by NASA's Jet Propulsion
 Laboratory. The original integration, DE405, covered the years 3000 BC
 to 3000 AD and required 550 Mb of disk space. DE406 is a compressed
 version of DE405 which requires 200 MB while maintaining a precision
 of better than 1 m for the moon and 25 m for the planets. These data
 have been further compressed with sophisticated compression techniques
 developed by Astrodienst. The ephemeris now requires for the complete
 6000 years only 5 Mb for all planets except the Moon, and 13 Mb for
 the Moon. This compressed ephemeris reproduces the JPL data with 0.001
 arcseconds precision. Astrodiest's have extended the timespan of the
 JPL ephemeris by numerical integration, so that Swiss Ephemeris covers
 the years 5400 BC to 5400 AD, a total of 10'800 years. For this extended
 timespan the ephemeris requires 32 Mbytes of ephemeris files.
 All transformation steps from the inertial timeframe of the JPL DE406
 integration to the reference frame for astrological coordinates (true
 equinox of date), all corrections like relativistic aberration,
 deflection of light in the gravity field of the Sun etc. have been
 performed with utmost care and precision so that the target precision
 of 0.001 arcsec is maintained through all transformation steps. Never
 before has such a high precision ephemeris been available to
 astrologers.
 Swiss Ephemeris contains three ephemerides. The user can choose
 whether he/she wants to use the original JPL DE406 data (if available
 at his/her site), the compressed Swiss Ephemeris data (the default) or
 a built in semianalytic theory by Steve Moshier. The Swiss Ephemeris
 package switches automatically to the available best precision
 ephemeris dependent on which installed ephemeris files it finds. Even
 without any stored ephemeris files, using the Moshier model, planetary
 positions with better than 0.1 seconds of arc precision are available
 (3 arcsec for the Moon).
 In addition to the astronomical planets as contained in the JPL
 integration, Astrodienst's have included all other bodies and
 hypothetical factors which are of interest to the astrologer.
 Astrodienst have used Astrodienst's own numerical integration program
 to provide ephemerides for ALL known asteroids. There are over 55'000
 of them and nobody will be able to use them all. Astrodienst distribute
 these extended asteroid files via Astrodienst's download area; there
 are also CDROMs available with large sets of asteroid files. Asteroid
 reaserachers may be interested in a December 1998 article in the
 Economist magazine about the naming of asteroids.
 Speed: The Swiss Ephemeris is precise and fast. On Astrodienst's Linux
 test machine, a 1000 MHz Pentium III, Astrodienst compute 10'000 complete
 sets of planetary positions, i.e. 10'000 x 11 planets, in 9 seconds. This
 is 0.9 milliseconds for the complete set of exact planetary positions
 (consecutive 1 day steps).

Details

Package version:
1.77.00.0005-7
Source:
libswe 1.77.00.0005-7 source package in Ubuntu
Status:
Obsolete
Component:
universe
Priority:
Extra

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