Synastry & Relationship Astrology
is the art of relationship Astrology. It is a fascinating and
illuminating study of how individuals interact with one another.
Each individual is born with a
personal birth chart, which is a map of the heavens for the moment
they took their first breath. Some might say the
birth chart has
the effect of stamping, or imprinting, the energies of the planets
and signs on an individual. Each and every one of us has all 10
planets and luminaries in our charts, but their positions by sign,
house, and aspect are individual to each. When we interact with
others, the individual energies of our natal charts form special
relationships with their individual energies. The resulting
interplay is as complex and unique as our own personalities.
Many of us are familiar with the
study of Sun Sign Compatibility. Some will ask, for example,
"Does a Leo get along with a Scorpio?" While these
comparisons have some value, they are very general. Many other
factors are involved when evaluating the compatibility of two
Although Synastry is complex, we
can turn to some especially useful methods of studying
relationships that will help shed light on our interactions. Below
are some valuable pointers.
is the Goddess of Love.
Most of us are familiar
with the significance of Venus in mythology. Venus, the
goddess of love, provides us with valuable insights into how
we approach matters of the heart. Venus rules romantic love,
but it also plays a role in our pleasurable attachments in a
more general sense.
Many of us have experienced
attractions to people that we don't entirely understand. The
art print at right is a sweet and humorous depiction of a
girl who is trying to resist Cupid's arrow. Why do we fall
for people? Sometimes, our attractions make sense. Other
times, our attractions seem entirely irrational.
Girl Defending Herself Against Love
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Turning to Astrology, and more specifically, Synastry, will help us
find answers. Venus rules attraction. Although other factors
are involved, Venus is the planet of pleasure, romance, and
union. Venus is particularly important in Synastry, and
Venus interaspects are common with couples who enjoy a
long-lasting and significant union.
to Venus in each person's chart to see how each individual approaches,
views, and handles love and relationship. Compare the
natives' Venus signs, noting the similarities and
sign comparisons click here.) Then, determine if Venus makes an aspect to the
other's planets, luminaries, or angles (such as the
Ascendant). When Venus in one chart aspects planets and points in
another, the Venus person tends to get idealized and
romanticized. The person with the contacted planet tends to expect a lot from
These are helpful aspects in any
relationship. They create a sense of harmony and offer some
common interests to the partnership. The Sun person feels
more loving and beautiful in the presence of the Venus person.
The Venus person finds the Sun person quite charming and intriguing. There is a mutual
attraction here that, on its own, is not as insistent or
sexual as other indicators (such as Venus-Mars or
Venus-Pluto). Perhaps the most apt keyword for this
combination is contentment. The more difficult aspects (opposition,
square, and quincunx) can point to some problems and
discord. The value system of the Venus native in this case
is at odds with the Sun native's general outlook and life
path. Each person tends to over-indulge the other at times,
and frustrate one another the next day.
details about Venus-Sun aspects in synastry.
smooth out many of the more difficult aspects in a
relationship. Although these relationships are not immune to
ups and downs and disagreements, the presence of this aspect
in synastry creates an overall sense of harmony and
compatibility. The attraction here has less to do with sexuality than
it does with familiarity. These people have a strong need to set up house
together and spend as much time with each other as possible.
It is an aspect that almost demands physical presencethese people feel the need to be around each other,
even if they are not interacting. They enjoy each other's
company, and there is often a fair share of tenderness and
care between one another. When challenging, the Moon person
may at times find the Venus person a little too playful at
the expense of his or her own feelings. The Venus
person may be tempted to turn on the charm when the Moon
person is having problems instead of sincerely confronting
and resolving problems. Glossed-over problems can undermine
the integrity of the relationship and of the emotional
are helpful for creating some common interests between the
individuals. These people may enjoy happy exchanges and
pleasurable, shared activities. Generally, there is a lot of
"talk" in the relationship. Hard aspects
(opposition, square, and quincunx) point to
misunderstandings that disrupt the flow of the relationship.
There can be complaints that each person talks a little too
much. There is such a strong desire to communicate with each other
stimulated by these aspects that it can sometimes seem like
each person is vying for the stage, or the chance to
conjunction, sextile, and trine point to compatibility in
relationship values and styles. There can be a wonderful
feeling of ease and comfort with each other. With the trine
and sextile, although the partners' individual styles of
expressing love and affection are different, they are
similar enough to feel much in common, and dissimilar enough
to keep things interesting and dynamic. It is easy to be
romantic with each other without feeling like they have hurt
their partner's feelings with a style that is too aggressive
or too passive, too intimate or too impersonal, and so
forth. The quincunx creates a stimulating attraction, albeit
a frustrating one at times. The opposition and square both
point to attraction, but the attraction can be a frustrating
one at times. The friction is caused by a lack of
understanding due to different styles and needs in love, and
the result can be both individuals feeling unappreciated.
Partners should make every attempt to look beyond the style
of relating and into each other's hearts.
These are classic aspects, although they can be rather
troublesome. Any aspect between these planets in synastry
points to sexual and romantic attraction. Sexual magnetism
of an insistent quality is found in the conjunction.
Sextiles and trines produce attraction that is not as
insistent or competitive as the hard aspects. Rather, the
attraction is smooth and pleasant. However, the
square, opposition, and quincunx can cause friction at the
same time. There is considerable attraction, but over time,
this sexual energy can become disruptive when left
unchecked. Remember that the more difficult aspects have
great value in that they stimulate people. Arguments often
augment the sexual act in some way. The square tends to be
the most troublesome interaspect between Venus and Marssexual attraction exists and is
powerful, but sex is often delayed as the couple tends to
engage in arguments that take time to work out before they
do what they really want to do. Here, sex is probably the
root of the arguments, even if this is not immediately
apparent. These couples may try to resolve this conflict by
attempting to consciously let down their defenses, turn off
their egos, and just have sex. This way, they may find that
they have much less to argue about. The reason for this is
that the square gives tremendous physical attraction and
tension that is very often disguised and mis-channeled. The
Venus person is easily hurt or offended by Mars. At times,
the Mars person's direct approach is fully appreciated, but
other times, the Venus person is offended by it.
These aspects are generally quite helpful in any relationship. The
presence of flowing aspects between these planets in synastry can help smooth out any
relationship. Forgiveness is a key strengthening factor with
this interaspect. See the discussion of Jupiter in Synastry below for more details.
||When Venus contacts the
outer planetsSaturn, Uranus, Neptune, and Plutoyou will
find very dynamic interactions that evolve over time.
When a relationship lasts long enough to let these energies
play out completely, increased understanding and connection
When challenging, these
can be difficult to deal with, but effort put forth to
understand the interplays will result in enormous increases
in understanding of the partners both individually and as a
couple. There is often a strong need to be with each other.
With the troublesome aspects (opposition and square), the
sexual relationship may start out just fine, but later can
become unpredictable, stunted, or sporadic. Spontaneity is
lost, and this is generally due to power struggles in the
day-to-day life of the couple. The Venus person often feels
oppressed and restricted by the Saturn person. In fact,
Venus may feel criticized and nagged, and Saturn may feel an
unhealthy need to control and restrict the Venus native. This general conflict
can lead to problems in the bedroom. With the sextile
and trine, however, there is a steady and stable quality to
the love and affection for each other, but some reserve or
self-consciousness regarding the expression of feelings,
romantic desires, and sexuality is present nevertheless.
offer excitement and thrills. The problem with this aspect,
which is most apparent when the aspect is a conjunction,
square, opposition, or quincunx, is that there may be an
overall dissatisfaction with each other. Although sex can be
especially excitingeven ecstaticwith each other, the
partners may easily become restless, as there is an
unsettled feeling between the natives that is persistent.
When one person (especially Venus) is feeling romantic and
loving, the other person (usually Uranus) is distant. When
the interaspect is a flowing one (sextile or trine), the
relationship may also be somewhat erratic, but this quality
pleases both individuals. They may delight in the fact that
their partnership is a little offbeat, and never dull!
are evolving and involving. They tend to play out over time
in different ways. At first, the relationship is
all-consuming. There is a feeling of soul connection.
Slowly, realities surface themselves. Things do not seem as
wonderful as they first appeared. Many couples with these
aspects in synastry can overcome these little letdowns, as
long as they let the relationship play out long enough.
Eventually, they may find that the feelings come full
circle. The difference is that they will come to realize
that while what they loved the other person for at the
outset of the relationship may not have been based on
reality, they have the huge potential to love each other for
who they really are. The difficult aspects (opposition,
square, and quincunx) can result in disappointment and
Read more details about Venus-Neptune aspects in synastry.
point to intense and magnetic attraction. They
figure strongly in relationships that are long-lasting and
significant. Love with these people is intense and
transforming. This interaspect demands physical presence.
When the natives are apart from each other, jealousies can
arise. The difficult aspects generally play out as an
emotional rollercoaster ride, with extreme swings from
loving intensely to antagonism.
are powerful indeed. Look for the conjunction, trine, and
sextile, in particular, as an indicator of true love. There
is a healing quality to the relationshipone in which the
natives feel that the love they have can heal the wounds
they might have accumulated in relationships past. These people feel a strong need to be
together, set up house together, and go the distance with
each other. There can be a true feeling of joy in the love
they share with one another. When the aspect is challenging,
however, there can be irrational behavior and reactions to
each other that are based on wounds of the past, carried
forward into the present relationship.
When Jupiter in one
person's chart forms aspects with a personal planet or
Ascendant in their partner's chart, a special relationship
is formed. The Jupiter person tends to give the other person
the benefit of the doubt. Jupiter sees the good in the area
of life and energy of the other's contacted planet. Jupiter
doesn't tend to blind itself to the negative (that is
Neptune's job!). It simply searches for the positive, and
finds much to like about the person. You can think of the
Jupiter taking on the role of loving father who naturally
finds goodness in his child. This is not the kind of father
who refuses to see the "bad", or who totally
glorifies or idealizes his child. In fact, Jupiter is quite
likely to see the negative, but he only wants to see his
child grow, and easily excuses the less desirable traits,
preferring to think that the good outweighs the bad. He is
unthreatened by the child's behavior. The Jupiter person in
synastry wants to help out, cheer up, and encourage the
other person. Jupiter gets the most pleasure when he sees
his loved one grow.
Therefore, if Jupiter
contacts another person's Moon, the Jupiter person will find
the Moon person's expression of his emotions, family values,
and natural habits really quite wonderful and pleasing.
Jupiter will encourage Moon to emote, to feel, and to seek
security. Jupiter will have a strong need to protect the
When Jupiter contacts Venus, a pleasing
attraction occurs between the two individuals. In the final
analysis, Jupiter will give the Venus person the benefit of
the doubt at all times. Jupiter will forgive, and even
forget. Under Jupiter's influence, the Venus person will
feel free to express his or her relationship needs, desire
for pleasure, and romantic inclinations. The two will have a
grand time, full of natural humor and enjoyment. There is a
strong desire for peace, and forgiveness comes very easy. If the
aspect is troublesome, they may also encourage each other to
over-indulge. This is when Jupiter becomes the indulgent
father. The desire to see the other person enjoy life may be
taken a little too far.
Jupiter aspects in synastry
are generally very helpful. While other difficult aspects
may exist in synastry, overall goodwill between the
individuals will outlast the conflicts. At the very least,
even if these two end up parting, they will do so on good
terms, remaining special friends.
cross-aspects and interactions deserve some attention in any
study of the dynamics of a relationship. See our article,
in Synastry for more information.
is the God of War
Mars, in relationship
astrology, is the planet of sexual expression and desire. It
shows us our animal instincts. While Venus rules romantic
attraction, Mars indicates a more animal need for sex and
assertion. It is important to note that Mars in synastry
does not point to the need to be together forever. But, if
other indicators of love and relationship are already
present in synastry, strong Mars connections will help (or
hinder) the relationship, mostly in the bedroom.
When powerful interaspects
of Mars occur, sex may not be as ecstatic and rich as those
indicated by Venus, but it may be quite satisfying on a
basic body level. When Mars figures strongly in synastry,
but the aspects involved are quite difficult, the couple may
find a lot to argue about.
though Mars aspects may not bring together people in the
first place, they have a lot of value. The conflict that
they bring to a relationship can be difficult at times, but
invigorating as well. If the individuals are
growth-oriented, the basic truths that Mars interaspects
bring will contribute to overall satisfaction. When Saturn
is not involved, this couple will argue, and the growth that
they pull from the conflict will likely spur them to have
great sex together.
interaspects generally highlight action and physical
attraction. The difficult aspects can indicate a passionate
relationship that is filled with conflict. Mars-Moon
interaspects can be very sexy and sometimes volatile.
Emotionalism and domestic arguments can figure strongly in
such a relationship when the difficult aspects are involved.
Mars-Mercury interaspects, when flowing, indicate passionate
and stimulating conversations. When difficult, regular
discussions quickly turn into arguments. The Mars native may
show insensitivity to the Mercury native's point of view.
Mars-Neptune aspects are generally indicative of sexual
attraction, which can be disruptive and variable if the
aspects are difficult. Mars-Pluto interaspects are similarly
stimulating, though more intensely so. Difficult aspects can
create battles of wills that threaten harmony.
of the most difficult aspects to occur between two charts is
Mars-Saturn when it is in conjunction, square, or
opposition. Unless the partners involved are prepared to
work on the relationship with a sincere desire for growth,
the tensions, frustrations, and blockages can feel
insurmountable. Read more about the challenges of
the signs of each individual's Mars can be illuminating. See
Mars in the
Elements in Synastry for more information.
Venus and Mars
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Ascendant in Synastry
The Ascendant expresses our
"body ego"how we express ourselves through our body
language and personal mannerisms. It also shows how we cope with
the daily demands of life, our first reactions, and how we initiate
projects. Naturally, when the Ascendant of one person's
chart contacts the planets (or Ascendant) of another, the reaction
is immediate and, often, apparent. While it is common enough that
there can be an attraction to the physical body, it is more than
likely a reaction to the Ascendant person's whole body egothe
manner in which he/she comes across, or the
Aspects in Synastry
In Synastry, conjunctions between
partners' planets and points represent a point of powerful
interaction. Depending on the planets involved, there can be a
strong feeling of similarity and recognition. The opposition
represents polarity and the power of attraction. This can result
in a feeling of complementing each other, but it can also bring
out feelings of competition and insecurity. There can be a
tendency to "see-saw" or "ping-pong" with the
oppositionwhen one person expresses their planet's energy, the
other person counters with their side of the "equation".
There is a countering effect here, and often a feeling of
literally being "opposed" or thwarted. Sextiles and
(generally considered "flowing" aspects) often suggest
an ease at blending the two planets' or points' energies. There is
often a warm and pleasant understanding and flow. These aspects do
not necessarily generate attraction (as a conjunction might), but
they are very supportive in a relationship. Trines generally
indicate energies that combine well, while sextiles are usually
points of compatibility that the couple notice and appreciate. Squares often
point to energies that need work in order to integrate them easily
into the interaction. While lack of understanding and frustration
can be the result, they can also create just the right amount of
tension to produce excitement in a relationship. Growth-oriented
individuals will find that these "discordant" energies
can spur them to new heights of understanding.
While it is helpful to consider
any one interchart aspect carefully, it is also illuminating to
consider the signs involved in the interaction. For example,
squares between planets occupying mutable signs (Gemini, Virgo,
Sagittarius, and Pisces) can point to problems that are expressed
in fussiness, restlessness, nagging, and pickiness. Frequent
annoyances and irritations, often that skirt the real conflict,
are common. Between cadent signs (Aries, Cancer, Libra, and
Capricorn), conflicts are more likely to be stormy, direct, and
overtoccasional big fights are typical. Between fixed signs
(Taurus, Leo, Scorpio, and Aquarius), there can be frequent
stand-offs. Of course, not all squares occur between planets in
the same modality, but these examples serve as a general
The Sun in the Houses in Synastry: You Light Up My Life
Where does your Sun fall in the
natal chart of your partner? See our
in the Houses in Synastry article for more details.
Saturn interaspects can be viewed
as some of the "glue" that binds people together, but
they can be tricky to manage. Read more about
More Relationship Astrology
topics at CafeAstrology.com
Overlays in Synastry see just how important house
overlays in synastry are in terms of how each person sees the
other and what is expected from the relationship.
Analysis offers a weighting system for various
interchart aspects and positions. Essentially, this is a romantic
compatibility "score sheet" but it can help you to
understand which synastry combinations have more weight in
on Synastry here we explore more synastry topics
our favorite books on relationship astrology, and why we like
Astrology: Summary of Techniques
we summarize the different ways of studying a relationship from an
astrological perspective, and what each method of study means.
Composite Chart the chart of a relationship!
"First Meeting" Chart shows where a relationship
is headed, and draws on Electional Astrology techniques.
Astrology Tips from Annie. This article includes notes on
Nodes of the Moon in Synastry.
Potential in the Natal Chart discusses some themes to look
for in individual natal charts with regards to relationship
Intermediate and advanced
students of Astrology might enjoy our article,
of Sexual Attraction in Astrology
Don't know the positions of your
planets? Be sure to find out your
astrology data online, at no cost.
2015 Forecasts for Each Sign
Our Free Astrology Reports
Love Sign Compatibility