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Portrait of James Chadwick

James Chadwick

James Chadwick (born October 20, 1891, Bollington, United Kingdom; died 1974), was an English physicist, who discovered the neutron in 1932. Chadwick served as Master of Gonville and Caius College, Cambridge. Chadwick's honours include Nobel Prize in Physics, Knight Bachelor and Copley Medal.

James Chadwick’s zodiac sign was Libra, and in the Chinese zodiac they were a Metal Rabbit, with Life Path 4 in numerology.

How compatible are you with James Chadwick?

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Your result includes:

  • · Your compatibility percentage
  • · What attracts you to each other
  • · What you would bring to the match
  • · Where you might clash
  • · Whether you share lucky numbers, colours, stones or seasons

James Chadwick’s AsterNym identity

The Steadfast Pioneer

Earth represents stability. Earth-led charts are associated with patience, responsibility and the ability to make people or projects feel supported. Life Path 4 represents structure: foundations, systems and the patience to continue after the first enthusiasm fades.

Earth Day Master (BaZi) × cardinal Sun × Life Path 4, on the physical plane.

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

#6

US rank in 2025

~5,274,520

Americans share it since 1880

1947

its peak year

US Social Security Administration public records

James’s lucky numbers, colours and stones

Traditional correspondences calculated from AsterNym’s astrology, wuxing and numerology system.

Lucky numbers

4 · 3 · 6

Lucky colours

White & Gold

Lucky day

Friday

Direction

West

Season

autumn

Stones

Opal, Diamond, Rutilated Quartz

Flower constellation

🧡 Marigold · 🌹 Blush Rose · 🤍 White Magnolia

Amber · Blush · Moonlight white

The same wuxing & numerology correspondences as your own print. One tradition, read for everyone

What the chart says

James, according to the stars

Core essence

James makes the room fairer just by being in it. The core of James is a feel for balance, in people, in colour, in who has not been asked their opinion yet. They are charming because they are genuinely interested, and they can see every side of a thing, which is a gift and, on a bad day, a very slow way to choose dinner.

How James wants to be loved

James wants to be loved completely or not at all. Venus in Scorpio is intense, private and all in, and wants the same depth back: no games, no half measures. Trust is the whole thing. Be honest with James even when it costs you, and they will be the most devoted person you have ever met.

How James creates

How James makes things happen: they make things grow. A Yin Earth day master is the garden soil, generous, nourishing, the reason other people's ideas take root. James creates by caring for the thing until it works, and they are often the quiet reason a whole group is thriving. The work is keeping some of that richness for themselves.

Instinct

Instinct: James is gentle and diplomatic, a Rabbit year, and their gut reaction is to keep the peace and read the room. Graceful, kind, quietly discerning, and much tougher than the soft manners suggest. The Metal year sharpens it: principled, determined, clear about what is right.

Purpose

Purpose: Life Path 4 is the builder. James is here to make things that last, to put structure under other people's dreams, to be trusted with the real work. Loyal, practical, honest, and learning that the plan can bend without breaking.

Triggers

Triggers: sloppiness, and being told they are overthinking it. Mars in Virgo means James channels energy into fixing, sorting, getting it right, and gets sharp when others do not care. The critic turns inward first. Give them a problem worth solving and watch them come alive.

Computed from James's birth date, not guessed. The full working is below.

Where James sits

Six lines. Tap where you sit on each.

James’s dot is placed from the chart. Yours is wherever you put it.

Intimate circleWide network
James

You likely balance a tight inner circle with a wider orbit you dip into.

DeliberateSpontaneous
James

You likely weigh most decisions but can move fast when it matters.

PrivateExpressive
James

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

Cool off firstResolve immediately
James

You likely handle some friction right away and let smaller things settle.

PracticalVisionary
James

You likely balance practical steps with room to imagine further.

Gradual trustImmediate chemistry
James

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

✦ A real star from their birth night

Dedicate a star to James Chadwick

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

No public birth time is available, so this is a 9:00 p.m. reference evening sky for that date and place. It is connected to the night of birth; it is not the sky at the birth minute, and no other reading on this page uses that time. Dedications are commemorative AsterNym records and do not rename or confer ownership of stars.

The quick version

Libra Sun

Beauty matters. So does balance.

James Chadwick's Sun was in Libra for the whole of October 20, 1891, so no birth time is needed to settle it. Traditional Libra readings associate the sign with balance, fairness and partnership: an instinct for the other side of an argument and for making a room feel at ease. Astrologers describe it as the cardinal air sign, ruled by Venus. The corresponding tension is indecision, with the classical caution that weighing every side can become a way of never choosing one.

Metal Rabbit

Quiet luck follows.

James Chadwick was born on October 20, 1891, which falls in a Metal Rabbit year of the Chinese calendar. Traditional Rabbit readings emphasise tact, grace and the ability to settle a room without seeming to try. The Chinese almanacs describe the Rabbit as the diplomat of the cycle, alert to subtleties and fond of comfort. The corresponding caution in the tradition is avoidance: the tendency to slip away from a conflict that needed to happen.

Life Path 4

The one who reads the manual.

James Chadwick's birth date, October 20, 1891, reduces to Life Path 4 under the numerology method AsterNym uses. Traditional Life Path 4 readings associate the number with structure, patience and building: turning ideas into plans and plans into something that outlasts the mood that started it. Numerologists describe it as the path of the builder. The corresponding tension is rigidity, with the caution that the structure was meant to serve the life and not the reverse.

What stands out in James’s chart

James’s birth chart

Reference chart · birth time unknown

No documented birth time exists for James Chadwick, so the positions below are checked across the whole birth date, not fixed at noon. The Moon ranges from 29° to 13° Taurus or Gemini depending on the hour. The wheel's houses are a solar chart, counted from the Sun's sign, because the Ascendant needs a time.

AriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces123456789101112Jupiter grinds against Pluto · Square, 0.1° orbNeptune fuses with Pluto · Conjunction, 0.1° orbJupiter grinds against Neptune · Square, 0.2° orbMoon grinds against Jupiter · Square, 1.6° orbMoon fuses with Pluto · Conjunction, 1.7° orbMoon fuses with Neptune · Conjunction, 1.8° orbVenus flows with Jupiter · Trine, 3.3° orbVenus fuses with Uranus · Conjunction, 3.7° orbSun in Libra · 26°49′26°Moon in Gemini · 6°55′Mercury in Libra · 21°38′21°Venus in Scorpio · 5°09′Mars in Virgo · 29°05′29°Jupiter in Pisces · 8°28′ · retrogradeSaturn in Virgo · 24°55′24°Uranus in Scorpio · 1°27′Neptune in Gemini · 8°41′ · retrogradePluto in Gemini · 8°34′ · retrograde

No birth time, so the houses are a solar chart: the Sun’s sign counts as house 1. A documented time would place them from the Ascendant instead.

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
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

Stable aspects hold for any birth hour. Possible ones depend on the hour, so their orb is a range rather than a number. Orb policy western_v1.

  • stableJupitersquarePluto0.1° orb

    James’s growth grinds against their depths.

  • stableNeptuneconjunctionPluto0.1° orb

    James’s imagination and depths act as one. Wherever one goes, the other is already there.

  • stableJupitersquareNeptune0.2° orb

    James’s growth grinds against their imagination. The angle that irritates, and the one that teaches.

  • stableVenustrineJupiter2.7° to 4.0° orb

    James’s affections flow straight into their growth.

  • stableVenusconjunctionUranus3.1° to 4.3° orb

    James’s affections and need for freedom act as one.

  • stableMarsconjunctionSaturn3.9° to 4.4° orb

    James’s drive and discipline act as one.

  • stableSunconjunctionUranus4.2° to 5.1° orb

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

  • stableSunconjunctionMercury4.8° to 5.5° orb

    James’s core identity and mind act as one. Wherever one goes, the other is already there.

  • possibleMoonconjunctionNeptuneorb from 0.0° to 8.9° depending on birth time

  • possibleMoonsquareJupiterorb from 0.1° to 8.7° depending on birth time

  • possibleMoonconjunctionPlutoorb from 0.1° to 8.8° depending on birth time

  • possibleMoontrineMarsorb from 1.0° to 14.5° depending on birth time

Chart signature

Elements

  • Fire0 of 10
  • Earth2 of 10
  • Air5 of 10
  • Water3 of 10

Modalities

  • Cardinal2 of 10
  • Fixed2 of 10
  • Mutable6 of 10

Counted across the ten planets by sign: Air leads this chart, with no planets in Fire signs.

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

Four minor bodies and the mean lunar apogee, placed in the same tropical zodiac as the planets above. None of these feed the chart signature, the rarity score or any ranking on this site: they are listed for readers who use them. Chiron, Ceres, Eros and Hygiea positions come from JPL Horizons; Black Moon Lilith is the mean apogee, the point most published Lilith tables use. The readings are the modern tradition’s, not AsterNym’s. Without a birth time the degree is the noon value and the day's movement is shown alongside it.

  • ChironLeo 16°47′ (moves 0.07° over the day)

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

    Chiron in Leo is read as a sore spot around being seen. The tradition has James performing through the doubt rather than waiting for it to lift.

  • CeresAquarius 19°01′ (moves 0.07° over the day)

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

    Ceres in Aquarius is read as nurture at the scale of the group. James is read as someone whose care shows up as fairness to many rather than fuss over one.

  • ErosAquarius 19°48′ (moves 0.14° over the day)

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

    Eros in Aquarius is read as desire for the unusual and the friend-first bond. James is read as needing a shared idea before a shared bed.

  • HygieaGemini 11°47′ (moves 0.08° over the day)

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

    Hygiea in Gemini is read as health that lives in the nerves and the mind. The tradition has James needing variety and enough sleep in equal measure.

  • Black Moon LilithLibra 0°47′ (moves 0.11° over the day)

    mean lunar apogee · the part that refuses to be tamed

    Black Moon Lilith in Libra is read as the part of James that will not keep the peace at the price of the self. Fairness, on these terms, is not the same as niceness.

Aspects to the asteroids and Lilith

Major aspects only, at a tight orb. The Moon is left out because its position moves 13° across an untimed day.

  • Black Moon Lilith conjunction Mars 1.7°
  • Eros trine Mercury 1.8°
  • Ceres trine Mercury 2.6°

Method: JPL Horizons heliocentric vectors, 1700–2100, cubic Hermite interpolation; geocentric, true ecliptic of date, tropical; geometric (no light-time or aberration); Lilith = mean lunar apogee (Chapront/Meeus mean perigee + 180°).

James’s dominant planets

Scored from rulerships, dispositors and aspect count. Without a birth time there is no Ascendant or house to score, and the Moon's sign is left out where it could change with the hour.

  1. 1. Venus7 pts

    rules the Sun sign, Libra; disposes Sun, Mercury; 2 major aspects

  2. 2. Mercury5 pts

    disposes Mars, Saturn, Neptune, Pluto; 1 major aspect

  3. 3. Pluto4 pts

    disposes Venus, Uranus; 2 major aspects

A Venus-led chart is read as taste and relationship setting the terms: James is read as choosing by what is beautiful and who is in the room.

How the score is built
  • Rules the Sun sign, Moon sign or Ascendant sign: 3 points each (traditional co-rulers of Scorpio, Aquarius and Pisces score half).
  • Sits in a sign it rules: 2 points.
  • Disposes another planet (that planet sits in a sign it rules): 1 point each.
  • Angular: 2 points in the first or tenth house, 1 point in the fourth or seventh (timed births only).
  • Every major aspect it makes: 1 point.

Dominance scoring is an AsterNym method. Other sites weight differently and can name a different leader for the same chart.

Configurations in James’s chart

Closed shapes among the ten planets under the site’s one aspect-orb policy. The Moon is excluded without a birth time, so a shape that needs it is not claimed.

No stellium, grand trine, T-square, grand cross, yod or kite closes among the planets that can be placed. That is the common case, not a gap.

Minor aspects

semi-sextile 30° (orb 2°), semi-square 45° (orb 2°), quintile 72° (orb 1.5°), sesquiquadrate 135° (orb 2°), biquintile 144° (orb 1.5°), quincunx 150° (orb 2.5°). Pairs already in a major aspect are not repeated. Moon excluded without a birth time.

  • Uranus biquintile Pluto 1.1°
  • Uranus biquintile Neptune 1.2°
  • Mercury sesquiquadrate Jupiter 1.8°
  • Sun semi-sextile Saturn 1.9°
  • Mercury sesquiquadrate Pluto 1.9°

Houses need a birth time. None is documented for James Chadwick, so no house placements are claimed for the planets or the minor bodies above.

Born the same day as James

Samuel Flagg Bemis was born on October 20, 1891 too, the same date with the same year. With no birth time recorded for any of them, this is the same chart, not a similar one. Same sky, different lives.

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Year of the Rabbit

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What a Day Master is →

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The Steadfast Pioneer explained →

Famous people with Life Path 4

Life Path numbers explained →

From the journal: The modern vs traditional rulers debate · 2027, Year of the Goat: what it means for every sign

James’s cards

Every card is computed from October 20, 1891, none chosen. Tap one to flip it.

Birth tarot card

Death

Tap to flip

AsterNym identity card

The Steadfast Pioneer

Tap to flip

Western zodiac

Libra

Tap to flip

Chinese zodiac

Rabbit 卯

Tap to flip

♀ Ruled by Venus

Copper Cu

Tap to flip

The working: BaZi pillarsshow

BaZi pillars

Day Master: yin Earth.

Year

yin Metal

Rabbit

Wood

roots & early life

Month

yang Earth

Dog

Earth

work & drive

Day

day master

yin Earth

Rabbit

Wood

you & partnership

No birth time is on public record for James Chadwick, so this chart has three pillars rather than four. The hour pillar, the rising sign and the birth-sky star all need a time, and we would rather leave them out than invent one.

Where this data comes from

James’s birth date and birthplace come from Wikidata Q80884, released under CC0, as do the occupations, works, teams and awards in the biography above. No documented birth time is available, so this chart is rated X on the Rodden scale, the astrological convention for how well evidenced a birth time is. Time-dependent results use a clearly labelled reference time and should not be read as their exact birth chart. Entries are matched to Wikidata by entity id rather than by name, kept only at day precision, and dropped where sources disagree on the date.

Portrait by Los Alamos National Laboratory, Attribution, via Wikimedia Commons.

The same James Chadwick at Wikipedia and MusicBrainz.

Roster last reviewed September 10, 2026. Every entry is checked against its Wikidata record; where a person shares a name with someone else, the entity id is what settles which of them this is. What we will not tell you sets out the claims this site refuses to make.

These are traditional interpretations, not facts or predictions. AsterNym is not affiliated with or endorsed by James Chadwick.

Quick answers about James Chadwick’s chart

What zodiac sign was James Chadwick?
James Chadwick was a Libra: born October 20, 1891, which puts the Sun in Libra for the whole of that day. That is the Western star sign. In the Chinese zodiac they were a Metal Rabbit.
What was James Chadwick's Chinese zodiac animal?
The Rabbit, with the Metal element, from the Chinese lunar year of the October 20, 1891 birth.
What time was James Chadwick born?
No reliably documented birth time is public, so AsterNym does not calculate an Ascendant. This chart uses date-only positions: the wheel shows a reference solar chart (the Sun's sign as house 1), and the Ascendant is left uncomputed instead of guessed from an unverified time.
What was James Chadwick's Life Path number?
Life Path 4, calculated in numerology from the October 20, 1891 birth date.
What was James Chadwick's Chiron sign?
Chiron in Leo at 16°. Position from JPL Horizons for the October 20, 1891 birth date.
Where was James Chadwick's Black Moon Lilith?
Mean Black Moon Lilith in Libra at 0°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
What was James Chadwick's dominant planet?
Venus, on AsterNym's dominance score (7 points: rules the Sun sign, Libra; disposes Sun, Mercury; 2 major aspects). Mercury is second and Pluto third. Other sites weight rulerships and aspects differently and can name a different leader.

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