▁the ▁new ▁co - r ul ers ▁were ▁primary ▁r ul ers ▁of ▁the ▁signs ▁with ▁which ▁they ▁were ▁associated ▁and ▁might ▁have ▁been ▁sole ▁r ul ers ▁of ▁those ▁signs , ▁and ▁if ▁that ▁was ▁the ▁case , ▁two ▁other ▁plan ets , ▁one ▁linked ▁to ▁Lib ra ▁or ▁T aur us , ▁and ▁the ▁other ▁to ▁Vir go ▁or ▁Gem ini , ▁may ▁await ▁discovery , ▁thus ▁elimin ating ▁the ▁need ▁for ▁dual ▁r ul ership ▁of ▁a ▁sign . ▁Although ▁the ▁status ▁of ▁Cer es ▁has ▁not ▁been ▁conclus ively ▁decided ▁at ▁the ▁moment ▁in ▁ast ro log y , ▁it ▁has ▁been ▁suggested ▁as ▁the ▁r uler ▁of ▁Vir go ▁or ▁T aur us . ▁For ▁some ▁modern ▁ast ro log ers ▁including ▁many ▁European ▁ast ro log ers , ▁it ▁is ▁the ▁r uling ▁planet ▁of ▁Vir go ▁based ▁upon ▁observation ▁of ▁its ▁role ▁in ▁syn astr ic ▁charts . ▁Sign ific antly , ▁the ▁generation ▁of ▁ast ro log ers ▁who ▁first ▁encountered ▁Cer es ▁in ▁the ▁early ▁ 1 9 th ▁century ▁after ▁its ▁discovery , ▁before ▁its ▁dem otion ▁to ▁astero id ▁in ▁the ▁middle ▁of ▁the ▁ 1 9 th ▁century , ▁assigned ▁it ▁r ul ership ▁of ▁Vir go . ▁For ▁a ▁minor ity ▁of ▁ast ro log ers , ▁it ▁is ▁the ▁r uling ▁planet ▁of ▁T aur us ▁along ▁with ▁Ven us . ▁The ▁possibility ▁exists ▁that ▁it ▁isn ' t ▁involved ▁with ▁any ▁sign , ▁but ▁in ▁any ▁event ,