SWISS EPHEMERIS. 3

Computer ephemeris for developers of astrological software. 3

Introduction. 4

1.     Licensing. 4

Swiss Ephemeris Free Edition. 4

Swiss Ephemeris Professional Edition. 5

2.     Descripition of the ephemerides. 5

2.1      Planetary and lunar ephemerides. 5

2.1.1       Three ephemerides. 5

2.1.2.1     Swiss Ephemeris and the Astronomical Almanac. 7

2.1.2.2     Swiss Ephemeris and JPL Horizons System.. 8

2.1.2.3     Differences between Swiss Ephemeris 1.70 and older versions. 8

2.1.3       The details of coordinate transformation. 9

2.1.4       The Swiss Ephemeris compression mechanism.. 10

2.1.5       The extension of the time range to 10'800 years. 11

2.2      Lunar and Planetary Nodes and Apsides. 12

2.2.1       Mean Lunar Node and Mean Lunar Apogee ('Lilith', 'Black Moon') 12

2.2.2       The 'True' Node. 12

2.2.3       The Osculating Apogee (so-called 'True Lilith' or 'True Dark Moon') 13

2.2.4       The Interpolated or Natural Apogee and Perigee (Lilith and Priapus) 14

2.2.5        Planetary Nodes and Apsides. 14

2.3.      Asteroids. 17

Asteroid ephemeris files. 17

How the asteroids were computed. 18

Ceres, Pallas, Juno, Vesta. 19

Chiron. 19

Pholus. 19

”Ceres” - an application program for asteroid astrology. 19

2.4      Comets. 19

2.5      Fixed stars and Galactic Center 20

2.6      ‚Hypothetical' bodies. 20

Uranian Planets (Hamburg Planets: Cupido, Hades, Zeus, Kronos, Apollon, Admetos, Vulkanus, Poseidon) 20

Transpluto (Isis) 20

Harrington. 21

Nibiru. 21

Vulcan. 21

Selena/White Moon. 21

Dr. Waldemath’s Black Moon. 21

The Planets X of Leverrier, Adams, Lowell and Pickering. 21

2.7 Sidereal Ephemerides. 22

Sidereal Calculations. 22

The problem of defining the zodiac. 22

The Babylonian tradition and the Fagan/Bradley ayanamsha. 23

The Hipparchan tradition. 23

The Spica/Citra tradition and the Lahiri ayanamsha. 25

The sidereal zodiac and the Galactic Center 25

Other ayanamshas. 26

Conclusions. 26

In search of correct algorithms. 27

More benefits from our new sidereal algorithms: standard equinoxes and precession-corrected transits. 29

3.        Apparent versus true planetary positions. 29

4.        Geocentric versus topocentric and heliocentric positions. 30

5. Eclipses, occultations, risings, settings, and other planetary phenomena. 30

6.        AC, MC, Houses, Vertex. 31

6.1.