MB Free Zodiac Mothering Sign describes your characteristics based on the placement of Ceres in your birth chart. Ceres is an asteroid which is responsible for the nurturing aspect of your personality. This sign describes how you nurture people and what makes you feel taken care of. MB Free Zodiac Mothering Sign describes your characteristics based on the placement of Ceres in your birth chart. Along with the sun sign and moon sign, the mothering sign also helps you understand yourself better. Astrologically planets and some asteroids are said to be responsible for different aspects of our personality. In mythology Ceres was said to similar to Roman goddess Demeter, the goddess of agriculture. The Ceres sign rules our nurturing abilities and also the feeling to be cared for. This can be in the form of feeding, communication, love and comfort.