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Python extension to the Swiss Ephemeris

Project description

Python extension to AstroDienst Swiss Ephemeris library.

The Swiss Ephemeris is the de-facto standard library for astrological calculations. It is a high-precision ephemeris, based upon the DE431 ephemerides from NASA’s JPL, and covering the time range 13201 BC to AD 17191.

>>> import swisseph as swe
>>> # first set path to ephemeris files
>>> swe.set_ephe_path('/usr/share/sweph/ephe')
>>> # find time of next lunar eclipse
>>> jd = swe.julday(2007, 3, 3) # julian day
>>> res = swe.lun_eclipse_when(jd)
>>> ecltime = swe.revjul(res[1][0])
>>> print(ecltime)
(2007, 3, 3, 23.347926892340183)
>>> # get ecliptic position of asteroid 13681 "Monty Python"
>>> jd = swe.julday(2008, 3, 21)
>>> xx, rflags = swe.calc_ut(jd, swe.AST_OFFSET+13681)
>>> # print longitude
>>> print(xx[0])
0.09843983166646618
Documentation:

https://astrorigin.com/pyswisseph

Repository:

https://github.com/astrorigin/pyswisseph

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