Verified by a birth certificate or official record: full chart shown, including houses and the rising sign.
Note on this rating: Birth certificate, via AstroTheme.
This page compares the nine bodies a birth date alone can place, Sun through Pluto, and lists the Chiron and lunar node contacts alongside them. The Moon is drawn as the span it could have moved through and is scored in nothing here; the ascendant axis and the house ring are left out by design, not by omission, so nothing on this page is scored against a birth time it cannot trust.
The overlap
Where the two charts touch
Ben Affleck’s Sun and Matt Damon’s Venus are 0.02 degrees from an exact square.
Both birth times are exact, so the Moon joins Sun through Pluto on both axes, and every contact also carries the house it falls in on the other person’s chart. The ascendant axis and the house ring are drawn.
Sun through Pluto plus the Moon, one chart on each axis
Ben Affleck ↓ × Matt Damon →
| Planet | Sun | Mercury | Venus | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto | Moon |
|---|---|---|---|---|---|---|---|---|---|---|
| Sun | Sun Square Venus | Sun Square Saturn | ||||||||
| Mercury | Mercury Square Jupiter | Mercury Sextile Uranus | ||||||||
| Venus | Venus Square Mercury | Venus Trine Jupiter | Venus Square Uranus | |||||||
| Mars | Mars Square Neptune | |||||||||
| Jupiter | Jupiter Square Mercury | Jupiter Square Pluto | ||||||||
| Saturn | Saturn Trine Sun | Saturn Square Mars | ||||||||
| Uranus | Uranus Conjunction Sun | Uranus Conjunction Uranus | ||||||||
| Neptune | Neptune Sextile Mercury | Neptune Conjunction Neptune | ||||||||
| Pluto | Pluto Conjunction Mercury | Pluto Conjunction Mars | Pluto Sextile Neptune | Pluto Conjunction Pluto | ||||||
| Moon |
20 of the 37 contacts fall between Sun and Pluto, and all 20 are in the grid. A boxed cell is within one degree. The other 17 contacts involve Chiron and the lunar nodes and are listed below, 2 of them in the tight layer.
A cell is a plain glyph. The aspect it names is a Codex Link in the sentences above.
Ben Affleck inner ring, Matt Damon outer ring, with the contacts inside one degree drawn. 4 of them are between Sun and Pluto; the rest involve bodies that are not on either ring.
All 37 contacts, in four layers
Within one degree
6 of 37The contacts closest to exact, whichever bodies they involve. 2 of these are Chiron or lunar node contacts, so they are named here and are not in the grid above. Tightest first, which is the only order that holds for every pair.
- Ben Affleck's Sun square Matt Damon's Venus
- Ben Affleck's Venus square Matt Damon's Chiron
- Ben Affleck's Uranus conjunction Matt Damon's Sun
- Ben Affleck's Neptune square Matt Damon's North node
- Ben Affleck's Neptune sextile Matt Damon's Mercury
- Ben Affleck's Jupiter square Matt Damon's Pluto
Personal planets
12 of 37A personal planet on either side. These are the contacts that describe these two people rather than their birth years.
- Ben Affleck's Sun square Matt Damon's Saturn
- Ben Affleck's Mercury square (mutual) Matt Damon's Jupiter
- Ben Affleck's Jupiter square (mutual) Matt Damon's Mercury
- Ben Affleck's Mars square Matt Damon's Neptune
- Ben Affleck's Mercury sextile Matt Damon's Uranus
- Ben Affleck's Pluto conjunction Matt Damon's Mercury
- Ben Affleck's Venus square Matt Damon's Uranus
- Ben Affleck's Venus trine Matt Damon's Jupiter
- Ben Affleck's Saturn trine Matt Damon's Sun
- Ben Affleck's Saturn square Matt Damon's Mars
- Ben Affleck's Venus square Matt Damon's Mercury
- Ben Affleck's Pluto conjunction Matt Damon's Mars
Shared generation
4 of 37Jupiter through Pluto on both sides. Born 23 months apart, these two have their outer planets in nearly the same degrees, so anyone born near them shares most of this group. Listed because it is real, kept apart because it says little about the pair.
- Ben Affleck's Pluto sextile Matt Damon's Neptune
- Ben Affleck's Pluto conjunction Matt Damon's Pluto
- Ben Affleck's Neptune conjunction Matt Damon's Neptune
- Ben Affleck's Uranus conjunction Matt Damon's Uranus
Chiron and the lunar nodes
15 of 37A birth date places these too, and they are not drawn in the grid above. The 2 inside one degree are in the tight layer; these 15 are the rest.
- Ben Affleck's Pluto quincunx Matt Damon's North node
- Ben Affleck's Mars opposition Matt Damon's North node
- Ben Affleck's Chiron opposition Matt Damon's Sun
- Ben Affleck's North node trine Matt Damon's Pluto
- Ben Affleck's North node sextile Matt Damon's Venus
- Ben Affleck's Mercury trine Matt Damon's Chiron
- Ben Affleck's North node trine Matt Damon's Mars
- Ben Affleck's Jupiter sextile Matt Damon's North node
- Ben Affleck's North node sextile Matt Damon's Neptune
- Ben Affleck's North node trine Matt Damon's Saturn
- Ben Affleck's Neptune trine Matt Damon's Chiron
- Ben Affleck's Venus trine Matt Damon's North node
- Ben Affleck's Pluto opposition Matt Damon's Chiron
- Ben Affleck's Chiron opposition (mutual) Matt Damon's Uranus
- Ben Affleck's Uranus opposition (mutual) Matt Damon's Chiron
Trines and sextiles are soft, squares, oppositions and quincunxes hard. A conjunction depends on which two bodies meet, so it carries no tone here.
Why they click
Affleck's Sun squares Damon's Venus at an orb of 0.02 degrees. That is two hundredths of a degree from a perfect square, close enough to count as exact. A Sun meeting a Venus is one chart's identity landing on what the other finds worth having, and here it lands almost perfectly.
Why they clash
Both of the two contacts are squares, and there are only two. Affleck's Venus squares Damon's Mercury at 5.7 degrees alongside the near-exact one. Every category reads at the floor of 30, because five categories cannot be filled by two aspects. What the engine finds between these charts is a single point of extraordinary precision and almost nothing surrounding it.
What each system says
Twelve systems, two people
This is what comparing two charts system by system looks like: the same birth data on both sides, read against each other one system at a time.
The Suns are 52.4° apart, outside orb of any aspect, which is why identity reads as an empty channel above.
A second tradition
Guna Milan (Ashtakoot)
Guna Milan is the compatibility method used in Vedic matchmaking, traditionally consulted before an arranged marriage. It scores eight factors between two Moon placements on a 36-point scale, shown here as what this one tradition reads: not a verdict, and not averaged with the Western reading above, which may disagree.
The reading
17 of 36
Two things stated plainly rather than left silent: Varna and Vashya use a directional rule from traditional bride/groom roles, applied here in the order the two people are listed on this page rather than assigning either role. Bhakoot dosha's most common cancellation, matching rashi lords, is applied; Nadi dosha carries no cancellation here, though same-nakshatra-different-pada is sometimes cited elsewhere as easing it. Mangal (Kuja) dosha is a separate check and isn't part of this reading.
Shared history
Shared life events
Good Will Hunting opens in the United States
The film the two wrote together, begun by Damon as a Harvard playwriting assignment and finished with Affleck. Damon played the lead; Affleck took a supporting role.Source (opens in new tab)
6 passages · 2 charts
Transit detailCollapse
Jul 17, 1997 – Apr 25, 1998 · 282 days
Ben Affleck
Birth time recorded to the minute · all contacts shown
- Uranus square Moonslow
- Chiron square Mercuryslow
Editorial note · Chiron square Mercury
Good Will Hunting's release brought a challenging communication of vulnerability and healing to the forefront of its creative expression.
Matt Damon
Birth time recorded to the minute · all contacts shown
- Neptune sextile Midheavenslow
- Uranus conjunction Ascendantslow
- Pluto sextile Ascendantslow
- Saturn opposition Sunslow
Editorial note · Jupiter trine Sun
Good Will Hunting's debut aligned with Jupiter trine Sun in house 1, suggesting a time of expansive public recognition and self-expression.
No dated window is recorded for this transit, so it isn't among the passages drawn here.
70th Academy Awards
5 passages · 2 charts
Transit detailCollapse
Feb 14 – Apr 29, 1998 · 74 days
Ben Affleck
Birth time recorded to the minute · all contacts shown
- Uranus opposition Mercuryslow
- Chiron trine Midheavenslow
- North Node sextile Ascendantfast
Editorial note · Uranus opposition Mercury
Fifteen days before the ceremony, Uranus opposing eighth house Mercury sparked a volatile power window, setting an electrifying mental charge ahead of the big night.
Matt Damon
Birth time recorded to the minute · all contacts shown
- Neptune trine Mercuryslow
- Saturn square Moonslow
Editorial note · Saturn square Moon
Arriving 18 days after the ceremony, Saturn square Moon in the second house brought a grounding reality check to the emotional and financial stakes of the win during a heavy transit window.
Frequently asked
Are Ben Affleck and Matt Damon astrologically compatible?
Their charts make 37 cross-aspects, the tightest at 0.02° and 0.31°. Astrology does not score a relationship out of a hundred, and the number on this page counts how much contact two charts make, not how well two people do.
What does square mean between two charts?
A square puts two placements at a right angle, generating friction that tends to force action. Ben Affleck and Matt Damon have 11 square contacts between them, more than any other type.
Tight contact, mixed valence
Run the full synastry
This page compares Sun through Pluto, the bodies a birth date alone can place. The synastry calculator runs all ten bodies against each other.