Matching planet labels

[nablator]

A domus planetarum from a manuscript written around 1399-1406: Basel, Universitätsbibliothek F III 8.
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Mars - Aries* & Scorpio
Venus - Taurus & Libra*
Mercury - Gemini & Virgo*
Moon - Cancer
Sun - Leo
Jupiter - Sagittarius* & Pisces
Saturn - Capricorn & Aquarius*

* = in Opus Sphericum (De Sphaere Mundi) by Jonannes of Sacrobosco (~1500) and You are not allowed to view links. Register or Login to view.(1502)

The table above matches the list of astrological houses with one associated planet and one zodiac sign per house (same as the table in Naibod 1560):
First house: Aries and Mars
Second house: Taurus and Venus
Third house: Gemini and Mercury
Fourth house: Cancer and the Moon
Fifth house:  Leo and the Sun
Sixth house: Virgo and Mercury
Seventh house: Libra and Venus
Eighth house: Scorpio and Mars
Ninth house: Sagittarius and Jupiter
Tenth house: Capricorn and Saturn
Eleventh house: Aquarius and Saturn
Twelfth house: Pisces and Jupiter

When the diagram follows these rules for each planet, it is astrological, not astronomical, so the date doesn't matter I suppose.