MB Free Zodiac Soulmate Sign describes your characteristics based on the placement of Juno in your birth chart. Juno is an asteroid which is considered to be responsible for your long lasting relationships, romantic as well as business. This sign helps identify yourself and the kind of partner who would best suit you in a relationship. MB Free Zodiac Soulmate Sign describes your characteristics based on the placement of Juno in your birth chart. Along with the sun sign and moon sign, the soulmate 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 Juno was said to similar to Roman goddess Hera, the goddess of unions and marriages. This sign shows your level of satisfaction in a relationship. This sign is also associated with commitment, loyalty and jealousy.