Synastry Aspects for Soulmates

What are the best synastry aspects for soul mates?

The answer to this question can prove key when you are trying to navigate a current or prospective relationships. Knowing how the planetary energies of yours and your partner’s birth charts complement or contradict each other can prove a vital unlock for understanding and navigating your relationship.

So, how do you spot a soulmate based on an astrological chart? What are the most important planets and aspects to look for when you are trying to determine whether your romantic partner is a true soul mate? Keep reading to find out.

What is a soul mate relationship?

What are some of the indicators of a soul mate connection?

There is instant attraction and connection

The first time you meet them, there is an instant sense of kinship and connection – it can seem almost as if the two of you recognise each other, despite never having met before (in this lifetime at least).

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The attraction the two of you instantly feel towards each other is also instant and spontaneous.

It isn’t necessarily romantic

It is true that soulmates tend to enter our lives in the form of romantic partners, but a soul mate can also be a friend, or even a frenemy. Have you ever made a friend with whom you felt immediately and deeply connected? Non-romantic relationships can also be soulmate connections.

It’s karmic

Soulmate relationships are karmic in nature. Whether the two of you have unfinished business or a soul contract harking back to a past life, the two of you have stuff to each each other and experience together.

Soulmates tend to work as catalysts for each other’s personal growth, and the two have the ability to galvanise and inspire each other in completely unique ways. This kind of relationship is always karmic.

It’s intense

Soulmate relationships are incredibly intense – for better and sometimes for worse.

Being involved in a soul mate connection is no picnic, that’s for sure. The two of you inevitably challenge and push each other to grow, evolve and transcend. You share experiences that you would not have had – that perhaps you would not dare to have – otherwise. You also share your secrets and open up to each other in ways that are cathartic for both of you.

If the connection is romantic, soulmates share instant chemistry and significant sexual compatibility.

It’s transformative

Soulmate relationships, whether they are romantic or not, are always transformative. Neither partner is going to be the same if or when they leave this relationship as they were going in.

Soulmate connections seem designed for growth, and tend to work as catalysts for the two people involved. In soulmate relationships, the partners inspire, uplift and challenge each other in equal measure, which is often what they both need to be able to overcome their fears and become the best, most capable and empowered version of themselves.

It’s unforgettable

Whether a soulmate connection lasts or not, it is always unforgettable. You cannot forget a soulmate, even if you want to. The intensity of a soulmate connection, and the transformation experienced by both in the relationship guarantees it.

Soulmate connections are not always easy, but they are almost always worth it because of what they teach us about ourselves, about our own capabilities, and about life itself.

What is synastry and what is it used for?

Synastry is the sub-branch of astrology dedicated to determining the compatibility between two people.

In synastry a chart is created by overlaying two people’s birth charts with each other. This chart reveals where the planets of the two people’s charts are positioned and how they are aspected to each other. The position of each element in the chart, as well as the angles and degrees at which they are appear in relation to each other – all of this reveals a lot about the potential of two people to forge a bond. Looking at a couple’s chart shows where in the relationship there is harmony and growth, as well as where there is conflict and tension.

What are the most important planets to look for in synastry?

Every detail of the synastry chart has meaning, but these are the most important planets to look for in a synastry chart.


Venus is the second planet from the Sun, and is named after the Roman goddess of love herself, who in turn is named after the much older Greek goddess, Aphrodite.

Venus is the planet of love, beauty, art, sensuality, sexuality, indulgence, luxury and materialism. Venus is also associated with the star signs Aries and Taurus.

Venus is one of the most important planets to look out for in synastry.


Mercury is the planet closest to the Sun, and is also the smallest planet in the solar system. It is named after the Roman god of commerce and communication. Mercurius, was considered by the Romans to be the messenger of the gods, and in astrology, this small but important planet is responsible for open and clear communication.


Mars is the second-smallest planet in the solar system and is positioned fourth from the Sun. Mercury takes its name after the Roman god of war and aggression.

Mars represents primal desire and raw sexuality, but can also represent a source of conflict and ego clashing in a relationship – both of these things make Mars important to look out for in synastry.


Saturn is the sixth planet from the Sun and is also the second largest in the solar system.

In astrology, Saturn represents karma, and so its position is of great significance in synastry.


The Sun is technically a star, but is generally considered the central planet of the known universe. It is around the Sun that all of the smaller planets revolve.

The position of the Sun in someone’s birth chart determines their star sign, also called their sun sign, and reveals much about their core personality and being. The Sun is the first and primary placements to look for in synastry.


The Moon is the largest natural satellite in the solar system, relative to the size of its planet, which is Earth.

The Moon’s position in the astrological chart reveals a person’s moon sign, which is to say, their inner emotional landscape and psyche.

What are the best synastry aspects for soul mates?

Now that you know which planets are the most significant to look out for in synastry, the next thing you are going to want to know is which synastry aspects are the most auspicious or indicative of a soulmate connection.

Sun-Moon synastry aspects for soulmates

Harmonious Sun aspects to the other person’s Sun is one of the main indicators of a deep and true bond you can hope to find in synastry.

Other positive Sun aspects include Sun conjunct Moon, Sun conjunct Venus and Sun conjunct Mercury, all of which indicate great compatibility.

Similar in importance to harmonious aspects to the Sun are harmonious aspects to the Moon, which are needed for a caring and emotionally nurturing relationship.

Sun and Moon connections, particularly conjunctions, are also auspicious, as they indicate that the soulmates complement each other on a core level.

Mercury synastry aspects for soulmates

Harmonious Mercury aspects are of vital in synastry.

A good example would be a Moon-Mercury conjunction or sextile, either of which are signs that the partners feel heard and listened to by one another and feel free to express themselves openly and freely within the relationship.

Saturn synastry aspects for soulmates

Saturn, the planetary representative of karma, can indicate a long-lasting can be a sign of a lasting bond. Saturn also represents maturity and responsibility.

Most positive of all Saturn aspects is when personal planets conjunct Saturn is a particularly auspicious synastry aspect, but trines and sextile aspects are also very promising.

Planets in the seventh house

The seventh house in astrology is the most important when it comes to determining the potential for a long-term, committed relationship.

Any planets in the other person’s seventh house is indicative of a strong bond. This is especially true for Sun, Moon or Pluto

Vertex synastry aspects

Vertex, also called the third angle, is a particular point in the chart which is of particular importance when it comes to relating.

If either partner’s planets or angles are conjunct the Vertex in the synastry chart, there is a great sense of belonging and wanting to build a lasting bond together.

Planets conjunct the North Node and South Node

Although they are not planets, the positions of the North Node and South Node are important in synastry. The North Node represents what you are evolving towards, while the South Node indicates what you are working to let go of or evolve past.

The North Node conjunct any of the other person’s personal planets is an indication of great attraction and supports personal growth. Any aspects to the South Node can indicate a past life connection.

Personal planets conjunct the ascendant

If any of your partner’s planets are conjunct your ascendant, the pull between the two of you is irresistibly strong. It is an indication of common ground and instant chemistry.

Final thoughts

Astrology can offer you a key to understanding and navigating your most important relationships – but astrology never has all of the answers.

It is possible to mess up a relationship, even with a well-executed planetary roadmap in the form of a harmonious synastry chart, just as it is possible to develop a deep and lasting bond, even when the astrology chart doesn’t look the most promising.

Truly understanding Synastry Aspects for Soulmates could mean the difference between great happiness and misery down the line. Find a psychic medium near you today, whether you’re in New York City, Chicago, Utah, Seattle in the US, or somewhere completely different, you can get the expert guidance you deserve. Don’t forget you can also get a psychic email reading at low cost, or try the best online psychic reading sites  such as Kasamba, Oranum, PsychicOz, Bitwine, Everclear Psychic and more.


Lucius Nothing

Lucius has been slinging tarot cards professionally since 2014. He’s taken the tarot to places most wouldn’t think of: His best-known patrons include Torture Garden, The Dark Circus Party, Handel & Hendrix, A Curious Invitation and The Candlelight Club, where he has been resident tarot reader for the past half-decade. His writing on divination, magic and creativity has been published in Sabbat Magazine and on Medium.


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