mars pluto synastry - Astrology Anonymous

This article goes over the best synastry aspects when it comes to deep love, compatibility and long-term potential.

The Synastry Chart, in addition to the Composite Chart, provides much insight into overall compatibility of a couple. The Composite Chart represents the relationship itself and what the two of you create when you are together. Synastry, on the other hand, explains how two people affect and influence each other directly. Both are very important to consider in a relationship.

What are the absolute best synastry aspects for true partnership and compatibility?

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Well-Aspected 7th House Rulers

What is your 7th house ruler?

If your 1st house is in Aries, your 7th house ruler is Venus
If your 1st house is in Taurus, your 7th house ruler is Pluto
If your 1st house is in Gemini, your 7th house ruler is Jupiter
If your 1st house is in Cancer, your 7th house ruler is Saturn
If your 1st house is in Leo, your house ruler is Uranus
If your 1st house is in Virgo, your house ruler is Neptune
If your 1st house is in Libra, your house ruler is Mars
If your 1st house is in Scorpio, your house ruler is Venus
If your 1st house is in Sagittarius, your 7th house ruler is Mercury
If your 1st house is in Capricorn, your 7th house ruler is your Moon
If your 1st house is in Aquarius, your 7th house ruler is your Sun
If your 1st house is in Pisces, your 7th house ruler is Mercury

I’ve said it before, and I’ll say it again: the 7th house ruler for each partner is very important in synastry. The 7th house represents commitment and partnership, so you can tell a lot about a relationship when looking at how each person’s 7th house ruler is aspected.

One person’s 7th house ruler conjunct the other person’s angles
One person’s 7th house ruler conjunct the other person’s Nodes
One person’s 7th house ruler conjunct the other person’s Vertex
One person’s 7th house ruler conjunct the other person’s Juno
One person’s 7th house ruler conjunct the other person’s planets (Sun, Moon, Venus, Jupiter, Saturn, 1st house ruler, and/or 7th house)
One person’s 7th house ruler in the other person’s 1st or 7th house

Challenging aspects to the 7th house ruler can indicate barriers and difficulties in forming a partnership.

If your 7th house ruler receives a square from your partner’s Saturn, for example, it may be difficult to get the relationships off the ground. There may be obstacles and barriers to you being together.

If your Uranus is square your partner’s 7th house ruler, you bring an unstable and unpredictable energy to your partner’s area of partnership and commitment. Your partner likely sees you as someone undependable and erratic, and it may be difficult for you to make a full commitment to each other.

romantic couple sits by ocean with palm tree at sunset

Photo by Rafael Leão on Unsplash

Personal planets conjunct the North Node (especially Sun, Moon, Venus or ruler of the 7th house)

If your planet makes a conjunction to another person’s North Node, there is a feeling that the two of you are heading somewhere together. Both partners can feel progress taking place when they are with each other. It’s a bizarre feeling to explain: it may feel uncomfortable, but it also feels right.

The planet person is guiding the North Node person towards their potential and encouraging them to come out of their comfort zone. This aspect tends to bind people together for a long time, for the feeling of fate is very strong.

What about the South Node? This CAN bind people together for a very long time, and usually does. However, the South Node is very draining, especially for the planet person, so it might not work out in the long run. Much depends on how comfortable each partner is with their South Node energies. Check out my South Node article to find out more.

Conjunction to Vertex (especially inner planets and angles)

So many long term couples have significant Vertex contacts in synastry, especially when they involve inner planets and angles. For example, one person’s Sun conjunct another person’s Vertex.

The Vertex is seen as a point of fate, so someone who has strong Vertex aspects with you impacts you powerfully. It feels like this relationship is meant to be, and you can feel this when you are together.

The Sun/Moon Midpoint

I’ve covered the significance of the Sun/Moon Midpoint in this article, however, it is worth repeating how important this point is when it comes to synastry analysis.

Aspects to look out for include:

One person’s angles in hard aspect to the other person’s Sun/Moon Midpoint
One person’s planets (especially Sun, Moon, Venus) in hard aspect to the other person’s Sun/Moon Midpoint
One person’s Vertex or Nodes conjunct or opposite the other person’s Sun/Moon Midpoint

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Saturn

Saturn is the glue that holds a relationship together, so it is important to have some Saturn aspects in your synastry (and Composite chart) to keep things stable and long-lasting.

Saturn can feel both limiting and rewarding, and this depends on how Saturn is handled by each partner in their own natal charts, as well as how their Saturns aspect each other’s planets and angles. People with heavy Capricorn or Saturnian charts may have an easier time with hard Saturn synastry, as they ‘expect’ and are used to things being difficult!

Sextiles, trines, and even conjunctions of one person’s Saturn to another person’s inner planets and angles promote longevity and responsibility in the relationship.

At the same time, I often see hard Saturn aspects in the synastry of successful couples, which can be surprising, given the harsh nature of the planet. In these charts, there are many other aspects which ‘soften out’ Saturn’s harsh edge (Jupiter and Neptune aspects especially).

Aspects to look for:

Saturn conjunct Sun, Moon, Venus, 7th house ruler, 1st house ruler
Saturn conjunct angles (especially Saturn conjunct IC)
Saturn conjunct North Node or South Node

House overlays in “relationship” houses

These houses are: the 1st house, 4th house, 5th house, 7th house and 8th house.

The 1st house represents one’s physical appearance and persona. If someone’s planets fall in this house, there is a good indication of attraction, or at least taking notice of you. Venus and Mars in this house are especially sexy.

The 4th house represents one’s home, family, and past. Someone’s planets in your 4th house indicates they impact you on a deep level. The 4th house is a watery, emotional house, so this person may bring you in touch with deep emotions.

The 5th house represents fun, games, and romance, so planets overlaying in this house indicates a strong bond between the individuals. The house person feels more romantic and flirty around the planet person, and there the two of them feel very good when they are together.

The 7th house represents partnerships and formal commitments, so it is no surprise that this house is important when it comes to relationships. When someone’s planets fall in your 7th house, you cannot help but want to partner with them in some way. You naturally want to build an equal and harmonious bond with them, and want their input in your decisions. They force you to look at the other side of the coin and see a different perspective, almost like they are a mirror to you.

The 8th house represents sex, intimacy, and passion, so this house is an important one to consider in synastry. When someone’s planets fall in your 8th house, they bring up very intense feelings from you. You cannot feel indifferent to them; there is usually a love-hate theme in the relationship. You love them passionately, but despise them equally when you feel upset with them. Sex and intimacy are taken to another level in 8th house relationships; you truly feel you want to merge with each other.

Please note: you should look at the house overlays of both partners. If you find that one person’s planets overlay onto your ‘relationship houses’, while your planets do not overlays onto their ‘relationship houses’, an imbalanced relationship can be indicated.

For example, if my Sun falls in your 8th house, you feel very strongly for me. I bring out very deep and intense feelings out of you, and you feel I have a transformative effect on your life. If your Sun falls in my 11th house, I might not feel the same way. I might see you as more of a friend than a lover, which might be devastating for you.

silhouette of romantic couple at sunset on beach

Photo by Nathan Dumlao on Unsplash

Sun conjunct Venus (trine, opposition, and sextile also work)

Venus represents love and beauty, while the Sun represents one’s essence and true self. Aspects between these two planets indicate love, pure and simple. This is not a wildly obsessive, romantic type of love, as it is commonly seen in the charts of good friends and family members. In a romantic relationship, however, this aspect is wonderful, for it increases the compatibility between you, and signifies that you really ‘like’ each other!

Moon or Venus in the same sign (i.e. Moon conjunct Moon, Venus conjunct Venus)

I’ve seen way too many of these aspects in synastry charts, so I had to mention them! The Moon represents our emotional nature, so when it is in conjunction to another person’s Moon, emotional compatibility is indicated.

The same can be said about Venus – these two express love in the same way, so it makes sense that they would be happy together. There is an intuitive understanding between them, and neither has to explain themselves too much. They just *get* each other.

Venus conjunct, sextile, or trine Pluto

I had to add Venus-Pluto to this list. It is the ultimate ‘Beauty and the Beast’ aspect, as it indicates the blending of love (Venus) and intense passion (Pluto).

Hard aspects can be hard to deal with, depending on your personality. Some people simply need drama and intensity in their relationships, so they can ‘handle’ hard Venus-Pluto aspects.

Softer aspects, however, are much easier to deal with. They inject a good amount of intensity and passion without being overwhelming. There is a deep love and intensity between the couple without the power struggles and intense jealousy that come with the hard aspects.

The conjunction is a very powerful aspect. It indicates deep desire, jealousy, obsession and love, and it all-consuming for both parties. This type of love transforms the couple, and they see each other as soulmates.

Mars sextile or trine Pluto

This aspect is another one of my favourites. The sexual connection in this case is off the charts!

Mars represents sex and energy, while Pluto represents intensity and passion. As you can imagine, the blending of these two planets indicates a lasting sexual connection.

In this relationship, sex is fulfilling and satisfying for both parties.

Sun conjunct Moon (trine, opposition, and sextile also work)

The Sun represents ones essence and personality, while the Moon represents our emotions and what makes us feel secure. Positive aspects between the Sun and Moon in synastry indicate a ‘marriage’ between the yin and yang. The Sun person feels supported and cared for by the Moon person, and the Moon person feels safe and loved by the Sun person. Together, they make a great team. The opposition is also potent in synastry because it indicates a lot of fascination and attraction between the couple. As they say, “opposites attract”!

Moon conjunct Venus (trine, opposition, and sextile also work)

I may be biased because I have had this aspect so many times (particularly the conjunction), but it is truly a magical connection to share with someone. This is such a sweet, caring and loving aspect. The two people feel very ‘at home’ with each other. Expressing your love and emotions to one another feels easier than usual. You bring out each other’s sweetness and vulnerability. This is such a perfect aspect to find in a synastry chart.

Venus conjunct Mars (trine, opposition, and sextile also work)

Interaspects between Venus and Mars are so spicy hot and deserve a spot in my list of best synastry aspects! These aspects indicate the blending of love with sex, leading to much passion and desire. I’ve found this aspect keeps the fire burning between a couple for a very long time, which is so important when it comes to keeping a relationship fresh. Sex is satisfying and usually quite frequent. The two of you intuitively know how to turn each other on, and can barely keep your hands off each other.

Click here to read The Absolute Best Composite Aspects

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Mars represents passion, desire, sexuality, action, and our drive to pursue what we want, while Pluto represents transformation, intensity, power, and deep psychological forces. In synastry, Mars-Pluto aspects create one of the most intense connections between two people. These aspects can indicate powerful attraction, magnetic chemistry, and a relationship that feels transformative, but they can also bring themes of control, competition, and emotional intensity. Here’s what Mars conjunct, sextile, trine, square, and opposite Pluto mean in synastry.

Check out my new books, Cosmic Fortune: The Astrology of Lottery Winners , Predict Love with Astrology, and Fall In Love with Astrology!

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Mars Conjunct Pluto Synastry

Mars conjunct Pluto synastry creates an intense and magnetic attraction between two people. The connection is often immediate and difficult to ignore, with a strong physical and sexual chemistry that can feel consuming.

The Pluto person intensifies the Mars person’s desires, while the Mars person activates Pluto’s passion and instincts. Together, these two people can bring out each other’s confidence, ambition, and deepest desires.

This aspect often creates a relationship that feels transformative. The couple may feel more powerful together than they do separately, inspiring each other to pursue goals and overcome challenges.

However, the intensity of this aspect can also create power struggles. Both Mars and Pluto are strong-willed energies, and neither naturally enjoys being controlled. Arguments can become heated because both people may push each other’s buttons and trigger strong emotional reactions.

Jealousy, possessiveness, or competition can become issues if the intensity is not handled consciously. The Pluto person may want deeper emotional control or complete transparency, while Mars may resist feeling restricted.

At its highest expression, Mars conjunct Pluto creates a relationship where both people empower and transform each other. At its lowest expression, it can become a battle of wills.

Mars Sextile Pluto Synastry

Mars sextile Pluto synastry creates powerful chemistry while allowing the intensity of Mars-Pluto energy to flow more easily. The attraction between two people is strong, but there is usually more cooperation and less conflict than with harder aspects.

The Pluto person inspires the Mars person to pursue deeper ambitions, while Mars encourages Pluto to take action and express desires more openly. Together, the couple can accomplish a great deal because they motivate and strengthen each other.

Sexual chemistry is often intense and passionate. The relationship may feel deeply connected, with both people experiencing a strong sense of trust and fascination.

This aspect supports personal growth because each person encourages the other to evolve. Challenges are more likely to be faced as a team rather than becoming a competition.

Mars sextile Pluto creates a bond where passion and transformation work together in a constructive way.

Mars Trine Pluto Synastry

Mars trine Pluto synastry indicates strong attraction, passion, and a powerful sense of connection. The two people often feel energized by each other’s presence and may experience a deep physical and emotional bond.

The Mars person brings motivation, courage, and action, while the Pluto person adds intensity, depth, and emotional transformation. Together, they can inspire each other to grow stronger and pursue their goals.

Sexual chemistry is typically very strong with this aspect. The attraction may feel instinctive, passionate, and deeply satisfying because both people naturally understand each other’s desires.

Unlike the harder Mars-Pluto aspects, there is usually less struggle for control. Instead, both people can use their combined energy to support one another and overcome obstacles.

This aspect often creates a feeling that the relationship has a powerful purpose. The couple may feel stronger together than they do individually.

Mars trine Pluto is one of the more harmonious ways to experience the intensity of Mars-Pluto energy.

Mars Square Pluto Synastry

Mars square Pluto synastry creates an extremely intense connection filled with attraction, passion, and emotional challenges. The chemistry between these two people can be undeniable, but the relationship may also bring out powerful reactions.

The Mars person and Pluto person strongly affect each other, often triggering emotions and desires that are difficult to ignore. Both people may feel fascinated by one another while also feeling challenged or threatened by the other’s intensity.

Power struggles are a major theme with this aspect. Mars may feel controlled or manipulated by Pluto, while Pluto may feel that Mars is too impulsive or unwilling to compromise. Both individuals may try to assert dominance, leading to arguments and conflict.

This aspect requires awareness around anger, jealousy, and control issues. If unhealthy patterns develop, the relationship can become emotionally exhausting or destructive.

However, Mars square Pluto can also be deeply transformative. When both people learn to respect each other’s power and avoid trying to dominate one another, this aspect can create incredible passion, resilience, and personal growth.

Mars Opposite Pluto Synastry

Mars opposite Pluto synastry creates a powerful attraction combined with a strong potential for conflict. This aspect often feels magnetic, intense, and impossible to ignore.

The Mars person is drawn to Pluto’s depth and mystery, while Pluto is attracted to Mars’ confidence, energy, and directness. There can be a feeling that the two people awaken something powerful in each other.

However, oppositions create tension, and Mars-Pluto tension can manifest through competition, control issues, or emotional confrontations. Both people may feel challenged by the other and may struggle with who has the upper hand in the relationship.

The Pluto person may want complete honesty and emotional transparency, while Mars may prefer a more direct and independent approach. Differences in how each person handles vulnerability and control can create conflict.

Like all Mars-Pluto aspects, this connection carries transformative potential. The relationship can force both people to confront their own fears, desires, and patterns.

When handled with maturity, Mars opposite Pluto can create a deeply passionate bond where both people inspire growth and change. Without self-awareness, however, the intensity can become overwhelming.

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The Absolute Best Synastry Aspects for Love and Compatibility