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Synastry aspect · 120° · orb 8°

Sun Trine Vertex Synastry

Sun trine Vertex in synastry means one partner's Sun sits about 120° from the other's Vertex (orb ±8°), an angle read as flow. It turns up in 8.89% of couples born within five years of each other.

Each side on its own first: Sun in a birth chart and birth chart calculator.

In couples
8.89% about 1 in 11
Either way round
16.99% both ways: 0.79%
Angle
120° 4 signs apart · orb ±8°
Birth time
±30 min before it breaks

Simulation of 3 million couples, NASA JPL DE440.

The same aspect with one of these planets: Sun trine Venus, Pluto trine Sun, Moon trine Sun, Mercury trine Sun, Venus trine Vertex, Ascendant trine Vertex, Saturn trine Vertex and Node trine Vertex.

Sun Trine Vertex Synastry: Meaning and How Common It Is

Checked against chance

How common is Sun trine Vertex in synastry?

Sun trine Vertex, counted three ways
Sun trine Vertex, counted three ways Sun trine Vertex, counted three ways: Couples ≤ 5 yrs apart 8.89%, Any two people, 1940–2010 8.89%, Planets spread evenly 8.89%. Couples ≤ 5 yrs apartCouples ≤ 5 yrs apart: 8.89%8.89%Any two people, 1940–2010Any two people, 1940–2010: 8.89%8.89%Planets spread evenlyPlanets spread evenly: 8.89%8.89%Source: AstroHot simulation, 3 million pairs, NASA JPL DE440astrohot.com Couples ≤ 5 yrs apartCouples ≤ 5 yrs apart: 8.89%8.89%Any two people, 1940–2010Any two people, 1940–2010: 8.89%8.89%Planets spread evenlyPlanets spread evenly: 8.89%8.89%Source: AstroHot simulation, 3 million pairs, NASA JPL DE440astrohot.com

Born the same year or 39 years apart, couples land between 8.76% and 8.98%.

How the odds are calculated →

By sign

Which signs make Sun trine Vertex

Sign pairs that make Sun trine Vertex (shaded)
Sign pairs that make Sun trine Vertex (shaded) Sun in Aries: Vertex in Leo or Sagittarius; Sun in Taurus: Vertex in Virgo or Capricorn; Sun in Gemini: Vertex in Libra or Aquarius; Sun in Cancer: Vertex in Scorpio or Pisces; Sun in Leo: Vertex in Aries or Sagittarius; Sun in Virgo: Vertex in Taurus or Capricorn; Sun in Libra: Vertex in Gemini or Aquarius; Sun in Scorpio: Vertex in Cancer or Pisces; Sun in Sagittarius: Vertex in Aries or Leo; Sun in Capricorn: Vertex in Taurus or Virgo; Sun in Aquarius: Vertex in Gemini or Libra; Sun in Pisces: Vertex in Cancer or Scorpio. Vertex’s sign →Sun’s sign →AriTauGemCanLeoVirLibScoSagCapAquPisAriSun in Aries, Vertex in AriesSun in Aries, Vertex in TaurusSun in Aries, Vertex in GeminiSun in Aries, Vertex in CancerSun in Aries, Vertex in Leo — forms itSun in Aries, Vertex in VirgoSun in Aries, Vertex in LibraSun in Aries, Vertex in ScorpioSun in Aries, Vertex in Sagittarius — forms itSun in Aries, Vertex in CapricornSun in Aries, Vertex in AquariusSun in Aries, Vertex in PiscesTauSun in Taurus, Vertex in AriesSun in Taurus, Vertex in TaurusSun in Taurus, Vertex in GeminiSun in Taurus, Vertex in CancerSun in Taurus, Vertex in LeoSun in Taurus, Vertex in Virgo — forms itSun in Taurus, Vertex in LibraSun in Taurus, Vertex in ScorpioSun in Taurus, Vertex in SagittariusSun in Taurus, Vertex in Capricorn — forms itSun in Taurus, Vertex in AquariusSun in Taurus, Vertex in PiscesGemSun in Gemini, Vertex in AriesSun in Gemini, Vertex in TaurusSun in Gemini, Vertex in GeminiSun in Gemini, Vertex in CancerSun in Gemini, Vertex in LeoSun in Gemini, Vertex in VirgoSun in Gemini, Vertex in Libra — forms itSun in Gemini, Vertex in ScorpioSun in Gemini, Vertex in SagittariusSun in Gemini, Vertex in CapricornSun in Gemini, Vertex in Aquarius — forms itSun in Gemini, Vertex in PiscesCanSun in Cancer, Vertex in AriesSun in Cancer, Vertex in TaurusSun in Cancer, Vertex in GeminiSun in Cancer, Vertex in CancerSun in Cancer, Vertex in LeoSun in Cancer, Vertex in VirgoSun in Cancer, Vertex in LibraSun in Cancer, Vertex in Scorpio — forms itSun in Cancer, Vertex in SagittariusSun in Cancer, Vertex in CapricornSun in Cancer, Vertex in AquariusSun in Cancer, Vertex in Pisces — forms itLeoSun in Leo, Vertex in Aries — forms itSun in Leo, Vertex in TaurusSun in Leo, Vertex in GeminiSun in Leo, Vertex in CancerSun in Leo, Vertex in LeoSun in Leo, Vertex in VirgoSun in Leo, Vertex in LibraSun in Leo, Vertex in ScorpioSun in Leo, Vertex in Sagittarius — forms itSun in Leo, Vertex in CapricornSun in Leo, Vertex in AquariusSun in Leo, Vertex in PiscesVirSun in Virgo, Vertex in AriesSun in Virgo, Vertex in Taurus — forms itSun in Virgo, Vertex in GeminiSun in Virgo, Vertex in CancerSun in Virgo, Vertex in LeoSun in Virgo, Vertex in VirgoSun in Virgo, Vertex in LibraSun in Virgo, Vertex in ScorpioSun in Virgo, Vertex in SagittariusSun in Virgo, Vertex in Capricorn — forms itSun in Virgo, Vertex in AquariusSun in Virgo, Vertex in PiscesLibSun in Libra, Vertex in AriesSun in Libra, Vertex in TaurusSun in Libra, Vertex in Gemini — forms itSun in Libra, Vertex in CancerSun in Libra, Vertex in LeoSun in Libra, Vertex in VirgoSun in Libra, Vertex in LibraSun in Libra, Vertex in ScorpioSun in Libra, Vertex in SagittariusSun in Libra, Vertex in CapricornSun in Libra, Vertex in Aquarius — forms itSun in Libra, Vertex in PiscesScoSun in Scorpio, Vertex in AriesSun in Scorpio, Vertex in TaurusSun in Scorpio, Vertex in GeminiSun in Scorpio, Vertex in Cancer — forms itSun in Scorpio, Vertex in LeoSun in Scorpio, Vertex in VirgoSun in Scorpio, Vertex in LibraSun in Scorpio, Vertex in ScorpioSun in Scorpio, Vertex in SagittariusSun in Scorpio, Vertex in CapricornSun in Scorpio, Vertex in AquariusSun in Scorpio, Vertex in Pisces — forms itSagSun in Sagittarius, Vertex in Aries — forms itSun in Sagittarius, Vertex in TaurusSun in Sagittarius, Vertex in GeminiSun in Sagittarius, Vertex in CancerSun in Sagittarius, Vertex in Leo — forms itSun in Sagittarius, Vertex in VirgoSun in Sagittarius, Vertex in LibraSun in Sagittarius, Vertex in ScorpioSun in Sagittarius, Vertex in SagittariusSun in Sagittarius, Vertex in CapricornSun in Sagittarius, Vertex in AquariusSun in Sagittarius, Vertex in PiscesCapSun in Capricorn, Vertex in AriesSun in Capricorn, Vertex in Taurus — forms itSun in Capricorn, Vertex in GeminiSun in Capricorn, Vertex in CancerSun in Capricorn, Vertex in LeoSun in Capricorn, Vertex in Virgo — forms itSun in Capricorn, Vertex in LibraSun in Capricorn, Vertex in ScorpioSun in Capricorn, Vertex in SagittariusSun in Capricorn, Vertex in CapricornSun in Capricorn, Vertex in AquariusSun in Capricorn, Vertex in PiscesAquSun in Aquarius, Vertex in AriesSun in Aquarius, Vertex in TaurusSun in Aquarius, Vertex in Gemini — forms itSun in Aquarius, Vertex in CancerSun in Aquarius, Vertex in LeoSun in Aquarius, Vertex in VirgoSun in Aquarius, Vertex in Libra — forms itSun in Aquarius, Vertex in ScorpioSun in Aquarius, Vertex in SagittariusSun in Aquarius, Vertex in CapricornSun in Aquarius, Vertex in AquariusSun in Aquarius, Vertex in PiscesPisSun in Pisces, Vertex in AriesSun in Pisces, Vertex in TaurusSun in Pisces, Vertex in GeminiSun in Pisces, Vertex in Cancer — forms itSun in Pisces, Vertex in LeoSun in Pisces, Vertex in VirgoSun in Pisces, Vertex in LibraSun in Pisces, Vertex in Scorpio — forms itSun in Pisces, Vertex in SagittariusSun in Pisces, Vertex in CapricornSun in Pisces, Vertex in AquariusSun in Pisces, Vertex in PiscesSource: tropical zodiac, counted by signastrohot.com

To check it by degree: the Sun at 10° Taurus makes the trine with the Vertex anywhere from 2° to 18° of Virgo or Capricorn — the 120° angle give or take 8°. The grid goes by sign, but the trine also forms across a sign line: the Sun at 1° Taurus and the Vertex at 29° Leo are 118° apart, a square by sign.

Between two people

What does Sun trine Vertex mean in synastry?

A meeting that helps one person step into a new chapter with confidence. The Sun person often backs the Vertex person through a change of role, and the meeting feels well timed. The contact is only as reliable as the birth times.

The usual mistake

Where does Sun trine Vertex usually go wrong?

Good timing stands in for compatibility; nobody checks whether the two want the same life.

Over time

How Sun trine Vertex plays out over time

  1. Early on. The Sun person feels like someone the Vertex person was meant to meet.
  2. Under pressure. Good timing helps, though compatibility still needs testing.
  3. Years in. The bond lasts when it proves itself beyond timing.

If the birth time is wrong

This aspect survives about 30 minutes of birth-time error

15° an hour for the Vertex, the faster point.
8° orb either side of 120°.
Fragile Needs an exact birth time.

How far a wrong birth time moves the ascendant and houses →

Sun and Vertex at other angles

At any angle: The Sun meets the Vertex, the point of fated encounters. The Sun person often feels like someone the other was meant to meet.

The trine among the Sun–Vertex angles, % of couples
The trine among the Sun–Vertex angles, % of couples The trine among the Sun–Vertex angles, % of couples: Square 90° 8.9%, Trine 120° 8.89%. Square 90°Square 90°: 8.9%8.9%Trine 120°Trine 120°: 8.89%8.89%Source: AstroHot simulation, 3 million pairs, NASA JPL DE440astrohot.com Square 90°Square 90°: 8.9%8.9%Trine 120°Trine 120°: 8.89%8.89%Source: AstroHot simulation, 3 million pairs, NASA JPL DE440astrohot.com
Square 90° · 8.9% of couples

Next to Sun trine Vertex in our list of 382, which runs from the most asked-about down.

Moon conjunction Venus 0° · 4.43% of couples Juno square Pluto 90° · 7.97% of couples Pluto conjunction Venus 0° · 4.51% of couples Mercury sextile Neptune 60° · 7.01% of couples

Cite this page

AstroHot. “Sun Trine Vertex Synastry: Meaning and How Common It Is.” Accessed October 28, 2026. https://astrohot.com/synastry/aspects/sun-trine-vertex/

For Wikipedia {{cite web |title=Sun Trine Vertex Synastry: Meaning and How Common It Is |url=https://astrohot.com/synastry/aspects/sun-trine-vertex/ |website=AstroHot |access-date=2026-10-28}}