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Astrology software to calculate geocentric and heliocentric aspects,
world transits, personal transits and synastry

November 17, 2019, 12:00 GMT
Julian date: 2,458,805.00
Ecliptic longitudes
Planet Geocentric Heliocentric
Sun234°50'24Sco50 
Mercury222°38'12Sco3885°31'25Gem31
Venus259°26'19Sag26293°55'23Cap55
Earth 54°50'24Tau50
Mars208°48'28Lib48193°24'13Lib24
Jupiter266°41'26Sag41272°24'2Cap24
Saturn286°43'16Cap43291°10'21Cap10
Uranus33°48'3Tau4834°50'4Tau50
Neptune345°57'15Pis57347°44'17Pis44
Pluto291°8'21Cap8292°32'22Cap32
Moon114°23'24Can23 

Scroll down to see software available.

VirusTotal says www.planetary-aspects.com is a totally clean siteThere are several different types of astrology program. One difference is whether the program concerns geocentric astrology, heliocentric astrology, or both. In geocentric astrology the zodiac is viewed with the Earth at the center, whereas in heliocentric astrology the Sun is at the center. Most astrological software is geocentric. Among the four astrology programs shown below, two are purely geocentric, one is purely heliocentric, and one supports both types of astrology

Astrology software used by Vedic (Indian) astrologers uses a sidereal zodiac, whereas Western astrologers tend to use a tropical zodiac. The difference lies in the definition of 0° Aries, that is, the direction in the heavens from which the 360 degrees of the (or a) zodiac is reckoned. In Vedic astrology this is defined with reference to the fixed stars, but in Western astrology it is defined with reference to the vernal equinox.




Heliocentric planetary configuration 2020-01-11
Saturn-Pluto conjunction, 2020-01-11

The four programs below run under all versions of Windows from Windows XP to Windows 10. (They can be run on Macintosh computers only by use of a Windows emulator.) The downloadable trial versions can be made fully-functional by means of an activation key. The key can be sent immediately upon purchase of a user license (or can be obtained soon after). Updates to new versions are free.

For each program there is a link to Comecero for purchase of a perpetual (time-unlimited) user license. For all programs, a user license is also available for use of the software for 3 months or 1 year. To purchase a time-limited license, click on the program title to go to the product page and follow the Purchase link on the right.

Each day one program (it varies) is offered at 50% discount (perpetual license only) if ordering via Comecero.

The developer of these computational astrology programs is currently available for custom software development at an affordable rate. If interested please leave a message here.

Planetary Aspects and Transits
Click on the title for the full description

US$29.95, €26.75 or £23.45 

Pay via Comecero
For 50% discount enter code: half-price-today

You can also pay via PayPal if you order via Comecero.

Thumbnail image for program Planetary Aspects and Transits

testimonials

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PAT is a program to calculate geocentric aspects between planets at a given date. Also displays personal transits for a given birthdate, and synastry for two birthdates. It identifies aspect patterns (such as grand trines and yods) and supports searching for occurrences of them. It has graphical and dynamical displays (as well as tabular) which show how transits change over time, and how the position of a transiting planet changes. It supports both tropical and sidereal zodiacs.
 

Heliocentric Planetary Aspects and Transits
Click on the title for the full description

US$29.95, €26.75 or £23.45 

Pay via Comecero

You can also pay via PayPal if you order via Comecero.

Thumbnail image for program Heliocentric Planetary Aspects and Transits

testimonials

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HPAT is the heliocentric version of PAT, and does everything that PAT does (except, of course, that the Moon is not included). In addition, when searching for the occurrence of a particular aspect pattern one can ask it to search for an aspect pattern involving up to three specified planets (e.g. a grand trine involving Earth and Pluto).
 

Your Planetary Transits
Click on the title for the full description

US$29.95, €26.75 or £23.45 

Pay via Comecero
For 25% discount enter code: twenty-five-percent-off

You can also pay via PayPal if you order via Comecero.

Thumbnail image for program Your Planetary Transits

testimonials

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YPT calculates the exact dates and times at which geocentric transits between two selected planets begin and end (relative to chosen orb values). It produces transit tables for both world (a.k.a. mundane) transits and personal transits. It supports both tropical and sidereal zodiacs.
 

Transits for Astro-Trading
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US$29.95, €26.75 or £23.45 

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Thumbnail image for program Transits for Astro-Trading

testimonials

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TAT produces transit tables showing the exact dates and times at which geocentric and heliocentric transits between two selected planets begin and end (relative to chosen orb values). Also allows searching for a given aspect between two planets.
 

These programs run under all versions of Windows from Windows XP to Windows 10. The software (after download) can be made fully-functional by means of an activation key sent by email after purchase of a user license. Updates to new versions (if any) are free, as is tech support for the duration of the user license.

Want more software? Feel free to visit the author's other website, Hermetic Systems.