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Portrait of Leo Esaki

Leo Esaki

Leo Esaki (born March 12, 1925, Takaida, Japan), aged 101, is a Japanese physicist (1925-). Esaki's honours include Nobel Prize in Physics, Order of Culture and IBM Fellow.

Leo Esaki’s zodiac sign is Pisces, Chinese zodiac is Wood Ox, with Life Path 5 in numerology.

Your match with Leo

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Leo Esaki’s AsterNym identity

The Evergreen Explorer

Wood represents growth. Wood-led charts are associated with patience, adaptability and the drive to keep developing. Life Path 5 represents freedom: change, movement, variety and resistance to restrictive routines.

Wood Day Master (BaZi) × mutable Sun × Life Path 5, on the physical plane.

How common is the name Leo in the U.S.?

#19

US rank in 2025

~262,124

Americans share it since 1880

2022

its peak year

Of the names registered in 1925, Leo came 54th among boys and 1,042nd among girls, carried by 3,775 American boys and 53 girls.

US Social Security Administration public records

What Leo’s name adds up to

Worked from the name as published, letter by letter.

5

Expression · versatility

8

Soul Urge · achievement

6

Personality · caring, responsible

The name opens on L (3) and closes on O (6). Two values tie for most repeated, 1 and 5: drive against movement.

Pythagorean letter values · A=1 to I=9, then J=1 again

Leo’s lucky numbers, colours and stones

Traditional correspondences, calculated not chosen.

Lucky numbers

5 · 1 · 9

Lucky colours

Green & Teal

Lucky day

Thursday

Direction

→ East

Season

spring

Stones

Aquamarine, Yellow Sapphire, Green Aventurine

Flower constellation

🌼 Daffodil · 🌸 Peony · 🌸 Green Orchid

Sunlit yellow · Rose-gold · Botanical green

Eight Mansions · Kua number

Kua 2, trigram Kun 坤, West group. Best direction Northeast, worst East.

A different tradition from the Direction above, and a different question: feng shui reads it from the solar year 1925, which turns at Li Chun rather than at New Year, and from sex, which Wikidata records as male. Work out your own →

The record

What sets Leo apart

Leo Esaki took the Asahi Prize in 1959, at 34.

Training came by way of Third Higher School and Kyoto University.

The encyclopaedia's own shelving for Leo Esaki: People from Higashiōsaka, Japanese men centenarians and Academic staff of Kwansei Gakuin University.

Jack Kerouac (1922) and Liza Minnelli (1946) share the birthday in another year, so the sun sits where it sits here.

Educated at
Third Higher School, Kyoto University and University of Tokyo
Awards
Nobel Prize in Physics (1973), IBM Fellow (1967) and Order of Culture (1974)
Citizenship
Japan
Languages
Japanese
Wikipedia editions
74

What the chart says

Leo, according to the stars

Core essence

Leo feels everything, and it is the best and hardest thing about them. The core of Leo is imagination with a soft heart behind it: the daydream, the creative pull, the instinct that knows how someone is doing before they do. They absorb the mood of a room and give back something kinder. Their softness is not weakness, it is the whole point.

The vibe

Underneath, Leo cannot fully relax while anyone in the room is unhappy. The Moon in Libra feels through harmony and hates conflict in their own house. What Leo needs to feel safe is fairness, softness and a partner in the small decisions. They are at their best when someone else picks the restaurant and they get to enjoy it.

How Leo wants to be loved

Leo wants to be loved tenderly. Venus in Pisces is the romantic of the zodiac: soft, giving, a little dreamy, and easily bruised. They love without keeping score and need a partner who will not take advantage of that. Be gentle with Leo, be honest, and they will make the ordinary feel enchanted.

How Leo creates

How Leo makes things happen: they find the gap and grow through it. A Yin Wood day master is the vine, flexible, quietly relentless, better at working around a wall than at knocking it down. Leo creates by adapting, by connecting people, by making the awkward thing fit. Underestimate them and you will look up one day to find them everywhere.

Instinct

Instinct: Leo is steady under pressure, an Ox year, and their gut reaction is to keep going. Patient, stubborn in the useful way, the one still working when the others have gone home, and quietly very proud of it. The Wood year adds growth: ideals, ambition, a need to be getting somewhere.

Purpose

Purpose: Life Path 5 is the free spirit. Leo is here to explore, to change, to taste everything and report back. Adventure, variety and freedom are not distractions from their purpose, they are it. The lesson is choosing, sometimes, and staying.

Triggers

Triggers: being rushed, and being pushed. Mars in Taurus means Leo is slow to anger and very hard to move once they are. Patience is the superpower, stubbornness its shadow. Let them set the pace and they are unstoppable in their own time.

Computed from Leo's birth date. Working below.

Where Leo sits

Six lines

Leo’s dot comes from the chart; yours is where you put it.

Intimate circleWide network
Leo

You may run on a few close bonds rather than a crowd. Depth is your default.

DeliberateSpontaneous
Leo

You may leap first and adjust as you go. Waiting can feel like losing momentum.

PrivateExpressive
Leo

You likely share some feelings openly and keep others to yourself.

Cool off firstResolve immediately
Leo

You may need space before addressing conflict. Cooling off comes first.

PracticalVisionary
Leo

You likely balance practical steps with room to imagine further.

Gradual trustImmediate chemistry
Leo

You likely warm up at a pace that depends on the person and moment.

Tap each line where you sit.

All twelve of yours, from your birth date →

✦ A real star from their birth night

Dedicate a star to Leo Esaki

Three stars chosen from the real sky above Takaida on the night they were born. Choose the story that connects you.

Leo’s birth-night reference starPolluxwarm orange · GeminiPollux, in Gemini. A warm orange star, 79.3° above the horizon at 9 p.m. local time, the bright star nearest the zenith.Dedicate Pollux →The warmest lightArcturuswarm orange · BoötesArcturus, in Boötes. A warm orange star, 12.7° above the horizon at 9 p.m. local time, the warmest-toned bright star up that night.Dedicate Arcturus →

A 9 p.m. reference sky, not the birth minute. Dedications are commemorative and confer no ownership of stars.

The sky over Takaida that night

Computed for 34.67°N, 9 p.m. local sky.

Overhead at Takaida at 9 p.m. that evening: Pollux of Gemini, within 10.7° of the exact zenith.

Sirius was the brightest thing up that night, one of 106 catalog stars above the horizon.

From 34.7°N not one of the brightest stars stays permanently above the horizon — all of them rise and set.

Rigil Kentaurus, Achernar, Hadar, Acrux, Mimosa and Toliman cannot be seen from Takaida at all: they sit past the −55.3° declination limit this latitude imposes.

The Moon was at waning gibbous, 96% lit, and above the horizon, with the Sun 36° down.

How unusual Leo's chart is

Chart pattern score

63 / 100 · Unusual

4-planet stellium in Pisces · Grand trine · No Air planets

An AsterNym index built from stelliums, yods, grand crosses and chart shape. It is not a population percentile, and a high score is not a better chart. Without a birth time the houses are left out of it.

Score your own chart →

Leo Esaki at a glance

Pisces Sun

Dreams in full colour.

Leo Esaki's Sun was in Pisces for the whole of March 12, 1925, so no birth time is needed to settle it.

What Pisces means →

Wood Ox

Says little. Finishes everything.

Leo Esaki was born on March 12, 1925, which falls in a Wood Ox year of the Chinese calendar.

What the Ox means →

Life Path 5

Freedom over comfort, always.

Leo Esaki's birth date, March 12, 1925, reduces to Life Path 5 under the numerology method AsterNym uses.

What Life Path 5 means →

What stands out in Leo’s chart

Leo’s birth chart

Reference chart · birth time unknown

Positions are checked across the whole date. The Moon ranges from 2° to 16° Libra depending on the hour.

AriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces123456789101112Sun fuses with Uranus · Conjunction, 0.4° orbMars opens doors for Uranus · Sextile, 0.9° orbSun opens doors for Mars · Sextile, 1.3° orbVenus flows with Pluto · Trine, 1.3° orbMars grinds against Neptune · Square, 1.9° orbMoon grinds against Pluto · Square, 2° orbSaturn flows with Pluto · Trine, 2.6° orbJupiter opens doors for Saturn · Sextile, 3.4° orbSun in Pisces · 21°02′☉21°Moon in Libra · 9°29′☽9°Mercury in Pisces · 27°14′☿27°Venus in Pisces · 10°06′♀10°Mars in Taurus · 22°20′♂22°Jupiter in Capricorn · 17°26′♃17°Saturn in Scorpio · 14°02′ · retrograde♄℞14°Uranus in Pisces · 21°26′♅21°Neptune in Leo · 20°26′ · retrograde♆℞20°Pluto in Cancer · 11°27′ · retrograde♇℞11°

No birth time, so the houses are a solar chart: the Sun’s sign counts as house 1.

Tap a planet, a sign, a house, an aspect line or an element to see what it means and what sits in it.
Lines drawn
Conjunction 0°
Sextile 60°
Square 90°
Trine 120°
Opposition 180°

Placements

Tap one to light it on the wheel.

The working: aspects, Chiron and the asteroids, dominant planets and configurationsshow

Aspects across every possible birth time

  • stableSunconjunctionUranus0.0° to 0.9° orb

    Leo’s core identity and need for freedom act as one.

  • stableMarssextileUranus0.6° to 1.2° orb

    Leo’s drive opens doors for their need for freedom. An easy alliance, and it pays off when it is used.

  • stableVenustrinePluto0.7° to 2.0° orb

    Leo’s affections flow straight into their depths. A talent so smooth it can go unnoticed.

  • stableSunsextileMars1.1° to 1.5° orb

  • stableMarssquareNeptune1.6° to 2.2° orb

  • stableSaturntrinePluto2.6° orb

  • stableSunsextileJupiter3.2° to 4.0° orb

  • stableVenustrineSaturn3.3° to 4.6° orb

  • stableJupitersextileSaturn3.3° to 3.5° orb

  • stableJupitersextileUranus4.0° to 4.1° orb

  • stableMarstrineJupiter4.7° to 5.2° orb

  • stableMercuryconjunctionUranus4.8° to 6.8° orb

Chart signature

Elements

  • Fire1 of 10
  • Earth2 of 10
  • Air1 of 10
  • Water6 of 10

Modalities

  • Cardinal3 of 10
  • Fixed3 of 10
  • Mutable4 of 10

Counted across the ten planets by sign: Water leads this chart.

Leo’s Chiron, Ceres, Eros, Hygiea and Lilith

What astrologers make of these five, at noon values.

  • ⚷ ChironAries 22°13′ (moves 0.05° over the day)

    centaur (2060) · the wound and what is learnt from it

  • ⚳ CeresTaurus 14°30′ (moves 0.35° over the day)

    dwarf planet (1) · how a person nurtures and wants to be nurtured

  • ♡ ErosPisces 17°17′ (moves 0.64° over the day)

    near-Earth asteroid (433) · what draws them and how they desire

  • ⚕ HygieaTaurus 18°20′ (moves 0.26° over the day)

    main-belt asteroid (10) · health, routine and what keeps them well

  • ⚸ Black Moon LilithCancer 9°26′ (moves 0.11° over the day)

    mean lunar apogee · the part that refuses to be tamed

Aspects to the asteroids and Lilith

  • Eros sextile Jupiter 0.2°
  • Ceres opposition Saturn 0.5°
  • Black Moon Lilith trine Venus 0.7°
  • Hygiea trine Jupiter 0.9°
  • Chiron trine Neptune 1.8°
  • Black Moon Lilith conjunction Pluto 2.0°
  • Hygiea square Neptune 2.1°
  • Hygiea sextile Sun 2.7°
  • Ceres trine Jupiter 2.9°

Leo’s dominant planets

  1. 1. ♆ Neptune9 pts

    rules the Sun sign, Pisces; disposes Sun, Mercury, Venus, Uranus; 2 major aspects

  2. 2. ♃ Jupiter6.5 pts

    traditionally rules the Sun sign, Pisces; 5 major aspects

  3. 3. ☉ Sun5 pts

    disposes Neptune; 4 major aspects

Configurations in Leo’s chart

  • stellium, the shape it makesStellium in Pisces · Sun, Mercury, Venus, UranusThree or more planets in one sign (four, or three with a luminary, by AsterNym's count): a concentration astrologers read as that sign's themes dominating the chart.
  • grand trine, the shape it makesGrand trine · Venus, Saturn, PlutoThree planets each 120° apart, a closed triangle of trines. Astrologers read it as ease and talent that can go unexercised.

Minor aspects

semi-sextile, semi-square, quintile, sesquiquadrate, biquintile, quincunx.

  • Venus quintile Mars 0.2°
  • Sun quincunx Neptune 0.6°
  • Mercury biquintile Neptune 0.8°
  • Uranus quincunx Neptune 1.0°
  • Mercury sesquiquadrate Saturn 1.8°

More people like Leo

Other physicists

Born in Japan

More charts like Leo’s

Fellow Pisces suns

All about Pisces →

Born in Ox years

  • Max VerstappenDutch and Belgian racing driver
  • AkonSenegalese-American singer, songwriter, and record producer
  • Abdus SalamTheoretical physicist, and Nobel Prize in Physics recipient
Year of the Ox →

Also born on March 12

Fellow Yin Wood day masters

What a Day Master is →

Other Pisces Ox charts

Other Evergreen Explorers

The Evergreen Explorer explained →

Famous people with Life Path 5

Life Path numbers explained →

From the journal: Zodiac clashes and the ben ming nian year · Yin and yang: the idea underneath everything else

Leo’s cards

Computed from March 12, 1925. Tap to flip.

Birth tarot card

Temperance

AsterNym identity card

The Evergreen Explorer

Western zodiac

Pisces

Chinese zodiac

Ox 丑

Life Path

5 · Explorer

♃ Ruled by Jupiter

Tin Sn

The working: BaZi pillarsshow

BaZi pillars

Day Master: yin Wood.

Year

乙

yin Wood

丑

Ox

Earth

roots & early life

Month

己

yin Earth

卯

Rabbit

Wood

work & drive

Day

day master

乙

yin Wood

未

Goat

Earth

you & partnership

Where this comes from, and how it is worked out

Leo’s birth date and birthplace come from Wikidata Q179852 (CC0), as do the occupations, works and awards above. With no documented birth time this chart is rated X on the Rodden scale, the astrological convention for how well evidenced a birth time is. The banner above lists what that leaves out. Entries are matched to Wikidata by entity id rather than by name, kept at day precision, and dropped where sources disagree on the date.

Tropical zodiac, whole-sign houses, modern rulers. Aspects on the western_v1 orb policy; minor ones at 1.5° to 2.5°, skipped where a major already holds. Minor bodies from JPL Horizons heliocentric vectors, Lilith as mean apogee. Dominance is an AsterNym score — rulerships, dispositors, aspect count — so other methods can name a different leader.

Portrait by 日本学士院, CC BY 4.0, via Wikimedia Commons.

The same Leo Esaki at Wikipedia, IMDb and MusicBrainz.

Roster last reviewed September 10, 2026. The full method: how it works.

Traditional interpretations, not facts or predictions, and not endorsed by Leo Esaki.

Quick answers about Leo Esaki’s chart

How old is Leo Esaki?
Leo Esaki is 101 years old, born March 12, 1925 in Takaida, Japan.
What zodiac sign is Leo Esaki?
Leo Esaki is a Pisces: born March 12, 1925, which puts the Sun in Pisces for the whole of that day.
What is Leo Esaki's Chinese zodiac animal?
The Ox, with the Wood element, from the Chinese lunar year of the March 12, 1925 birth.
What is Leo Esaki's Life Path number?
Life Path 5, calculated in numerology.
What is Leo Esaki's Chiron sign?
Chiron in Aries at 22°. Position from JPL Horizons.
Where is Leo Esaki's Black Moon Lilith?
Mean Black Moon Lilith in Cancer at 9°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
What is Leo Esaki's dominant planet?
Neptune, on AsterNym's dominance score (9 points: rules the Sun sign, Pisces; disposes Sun, Mercury, Venus, Uranus; 2 major aspects). Jupiter is second and Sun third. Other sites weight rulerships and aspects differently and can name a different leader.

More charts to explore