Robert A. Heinlein
Robert A. Heinlein (born July 7, 1907, Butler, United States; died 1988), was an American author and aeronautical engineer. Heinlein is best remembered for Starship Troopers, Farnham's Freehold and The Puppet Masters. Heinlein's honours include Damon Knight Memorial Grand Master Award, Prometheus Award - Hall of Fame and Science Fiction and Fantasy Hall of Fame.
Robert A. Heinlein’s zodiac sign was Cancer, and in the Chinese zodiac they were a Fire Goat, with Life Path 22 in numerology.
Cancer, and in the Chinese zodiac they were a 
Fire Goat, with 
Life Path 22 in numerology.How compatible are you with Robert A. Heinlein?
Your birthday, just below, gives your match percentage with Robert. Under a minute.
Your AsterNym Match
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Two details and you have your number with Robert. Under a minute, and it is real astrology, not a quiz.
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
Robert A. Heinlein’s AsterNym identity
The Radiant Pioneer
Fire represents warmth, visibility and momentum. Fire-led charts are associated with enthusiasm, expression and the ability to encourage other people. Life Path 22 is traditionally called a master path. It represents large-scale building: combining ambitious ideas with practical structure.
Fire Day Master (BaZi) × cardinal Sun × Life Path 22, on the physical plane.
How common is the name Robert in the U.S.?
#92
US rank in 2025
~4,869,849
Americans share it since 1880
1947
its peak year
US Social Security Administration public records
Robert’s lucky numbers, colours and stones
Traditional correspondences calculated from AsterNym’s astrology, wuxing and numerology system.
Lucky numbers
22 · 2 · 7
Lucky colours
Red & Orange
Lucky day
Monday
Direction
↓ South
Season
summer
Stones
Ruby, Pearl, Carnelian
Flower constellation
💠 Larkspur · 🤍 Jasmine · 🌸 Hibiscus
Sky blue · Pearl · Scarlet
The same wuxing & numerology correspondences as your own print. One tradition, read for everyone
What the chart says
Robert, according to the stars
Core essence
Robert feels the room before entering it. The core of Robert is care, the practical kind that remembers what you said in March and has already made the tea. They protect their people with a fierceness that surprises anyone who only knew the soft exterior. Home is not a place for Robert, it is whoever they have decided to keep.
The vibe
Underneath, Robert processes by talking. The Moon in Gemini means a feeling is not real until it has been said out loud, ideally to two people, ideally with a joke attached. What Robert needs to feel safe is someone who will listen to the whole thought, including the three tangents, without rushing them to a point.
How Robert wants to be loved
Robert wants to be loved in conversation. Venus in Gemini falls for a mind first: the banter, the shared joke, the person who keeps them guessing a little. Attention is the love language and boredom is the enemy. Keep talking to Robert like it is the first week, and it can feel like it for years.
How Robert creates
How Robert makes things happen: they hold the flame steady. A Yin Fire day master is the candle, the lamp, the light that is close and personal rather than blazing. Robert creates intimacy, one room, one conversation, one person made to feel seen. Moody when the fuel runs low, magnetic when it does not.
Instinct
Instinct: Robert is creative and kind, a Goat year, and their gut reaction is to make it beautiful. Artistic, gentle, easily moved, and the friend everyone confides in. The Fire year turns the volume up: warmer, bolder, more expressive, harder to overlook.
Purpose
Purpose: Life Path 22 is the master builder. Robert is here to turn a big vision into something that actually stands, at a scale most people would not attempt. Practical and visionary at once, patient, and learning that even the largest things are built one day at a time.
Triggers
Triggers: incompetence, and disrespect. Mars in Capricorn means Robert does not waste energy on anger; they use it. Controlled, strategic, relentless, the person who will outlast the problem. Cold when crossed, and quietly forgiving once you have earned it back.
Computed from Robert's birth date, not guessed. The full working is below.
Where Robert sits
Six lines. Tap where you sit on each.
Robert’s dot is placed from the chart. Yours is wherever you put it.
You may run on a few close bonds rather than a crowd. Depth is your default.
You likely weigh most decisions but can move fast when it matters.
You likely share some feelings openly and keep others to yourself.
You may need space before addressing conflict. Cooling off comes first.
You likely balance practical steps with room to imagine further.
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 Robert A. Heinlein
Three stars chosen from the real sky above Butler 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.
Cancer Sun
Cancer SunHard shell, soft centre.
Robert A. Heinlein's Sun was in Cancer for the whole of July 7, 1907, so no birth time is needed to settle it. Traditional Cancer readings associate the sign with protectiveness, memory and attention to the emotional temperature of a room. Astrologers describe it as the cardinal water sign, ruled by the Moon, and read it for loyalty to family and home. The corresponding tension is guardedness: the tradition describes a sign that looks after others more readily than it lets itself be looked after.
Fire Goat
Fire GoatMakes everything a bit more beautiful.
Robert A. Heinlein was born on July 7, 1907, which falls in a Fire Goat year of the Chinese calendar. Traditional Goat readings emphasise gentleness, creativity and a preference for harmony over conflict. The Chinese almanacs describe the Goat as the artist of the cycle, kind and easily moved, and associate it with taste and care for others. The corresponding caution in the tradition is dependence: a need for reassurance that can become a reluctance to decide alone.
Life Path 22
Life Path 22Builds what others only dream about.
Robert A. Heinlein's birth date, July 7, 1907, reduces to Life Path 22 under the numerology method AsterNym uses. Traditional Life Path 22 readings treat the number as a master path, associated with large-scale building: ambitious ideas combined with the practical structure to realise them. Numerologists read it as an intensified 4, the builder working at the scale of institutions. The corresponding tension is the gap between vision and execution, with the caution that a plan this large can stall on its own weight.
What stands out in Robert’s chart
- The tightest major aspect in Robert A. Heinlein's date-only chart is Mars opposition Neptune, with an orb of under 1°.
- Three planets, Sun, Jupiter and Neptune, sit together in Cancer, which astrologers call a stellium.
- Five of the ten planets fall in Cardinal signs, making Cardinal the strongest modality in this chart.
- Robert A. Heinlein combines a Fire Day Master in BaZi with a cardinal Sun and a Life Path on the physical plane, the combination AsterNym calls The Radiant Pioneer.
Robert’s birth chart
Reference chart · birth time unknown
No documented birth time exists for Robert A. Heinlein, so the positions below are checked across the whole birth date, not fixed at noon. The Moon ranges from 7° to 19° 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.
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.
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.
stableMarsoppositionNeptune0.5° to 0.8° orb
Robert’s drive pulls against their imagination from across the wheel. Two ends of one rope.
stableSunoppositionMars0.8° to 2.0° orb
Robert’s core identity pulls against their drive from across the wheel.
stableVenussquareSaturn1.1° to 2.4° orb
Robert’s affections grind against their discipline. The angle that irritates, and the one that teaches.
stableVenusconjunctionPluto1.3° to 2.5° orb
Robert’s affections and depths act as one. Wherever one goes, the other is already there.
stableSunconjunctionNeptune1.5° to 2.5° orb
Robert’s core identity and imagination act as one. Each makes the other louder.
stableUranusoppositionNeptune1.8° to 1.9° orb
Robert’s need for freedom pulls against their imagination from across the wheel. A see-saw looking for balance, often played out through other people.
stableMarsconjunctionUranus2.4° to 2.6° orb
Robert’s drive and need for freedom act as one. Wherever one goes, the other is already there.
stableSunoppositionUranus3.4° to 4.4° orb
Robert’s core identity pulls against their need for freedom from across the wheel.
stableSaturnsquarePluto3.7° orb
Robert’s discipline grinds against their depths. The angle that irritates, and the one that teaches.
stableSunconjunctionJupiter5.9° to 6.6° orb
Robert’s core identity and growth act as one.
stableJupitertrineSaturn6.7° to 6.9° orb
Robert’s growth flows straight into their discipline. A talent so smooth it can go unnoticed.
stableMarsoppositionJupiter7.4° to 7.9° orb
Robert’s drive pulls against their growth from across the wheel. A see-saw looking for balance, often played out through other people.
Chart signature
Elements
- Fire1 of 10
- Earth2 of 10
- Air3 of 10
- Water4 of 10
Modalities
- Cardinal5 of 10
- Fixed1 of 10
- Mutable4 of 10
Counted across the ten planets by sign: Water leads this chart.
Robert’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.
⚷ Chiron ℞Aquarius 17°15′ (moves 0.04° over the day)
centaur (2060) · the wound and what is learnt from it
Chiron in Aquarius is read as a wound around fitting in. The tradition has Robert making a place among outsiders and keeping the door open for the next one.
⚳ CeresCancer 28°02′ (moves 0.44° over the day)
dwarf planet (1) · how a person nurtures and wants to be nurtured
Ceres in Cancer sits in the sign the tradition links to it most closely: care as instinct. Robert is read as someone for whom looking after others is not a decision.
♡ ErosAries 11°15′ (moves 0.42° over the day)
near-Earth asteroid (433) · what draws them and how they desire
Eros in Aries is read as desire that moves first and asks later. Robert is read as drawn to the chase more than the catch.
⚕ HygieaAries 26°52′ (moves 0.20° over the day)
main-belt asteroid (10) · health, routine and what keeps them well
Hygiea in Aries is read as health kept through action and short bursts. The reading has Robert feeling well when moving and poorly when made to wait.
⚸ Black Moon LilithCancer 10°03′ (moves 0.11° over the day)
mean lunar apogee · the part that refuses to be tamed
Black Moon Lilith in Cancer is read as the refusal to be tamed by the role of carer. The reading has Robert guarding a private self that family did not get to name.
Aspects to the asteroids and Lilith
Major aspects only, at a tight 3° orb. The Moon is left out because its position moves 13° across an untimed day.
- Black Moon Lilith opposition Uranus 0.5°
- Ceres trine Saturn 0.6°
- Eros square Uranus 0.7°
- Eros square Neptune 1.2°
- Hygiea sextile Venus 1.2°
- Eros square Mars 1.8°
- Black Moon Lilith conjunction Neptune 2.4°
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°).
Robert’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. ☽ Moon6 pts
rules the Sun sign, Cancer; disposes Sun, Jupiter, Neptune
2. ☉ Sun5 pts
disposes Mercury; 4 major aspects
3. ♄ Saturn5 pts
disposes Mars, Uranus; 3 major aspects
A Moon-led chart is read as feeling first: Robert is read as steered by mood, memory and what feels safe.
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 Robert’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.
Stellium in Cancer · Sun, Jupiter, NeptuneThree 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.
Houses need a birth time. None is documented for Robert A. Heinlein, so no house placements are claimed for the planets or the minor bodies above.
More people like Robert
Other writers
- Dag Hammarskjöld1905
- Jack Williamson1908
- Hodding Carter1907
- Kwame Nkrumah1909
- Agnes de Mille1905
- James Thomas Flexner1908
Born in United States
- Robert YoungAmerican actor
- Leon EdelCanadian writer
- Rosalind RussellAmerican actress
- Price DayAmerican war correspondent
- Robert LaschAmerican journalist
- Barbara StanwyckAmerican actress
More charts like Robert’s
Fellow Cancer suns
- Paul BergAmerican biochemist, Professor emeritus at Stanford University & Nobel laureate in Chemistry
- Leon M. LedermanAmerican mathematician and physicist
- Robert Coleman RichardsonAmerican physicist
Born in Goat years
- Peter ThielGerman-American entrepreneur and venture capitalist
- Lauren GrahamAmerican actress, producer and novelist
- Evanna LynchIrish actress
Also born on July 7
- Ringo Starr1940
- Sky Brown2008
- Ashton Irwin1994
- Ally Brooke1993
- Toni Garrn1992
- Michelle Kwan1980
Fellow Yin Fire day masters
- Anatoly LomakinRussian politician
- Chairul TanjungIndonesian businessman and bureaucrat
- Sulaiman Al-Habibbusinessperson
Other Cancer Goat charts
- Will FerrellAmerican actor, comedian, screenwriter and producer
- Jude BellinghamEnglish footballer
- Virgil van DijkDutch association football player
- Kevin HartAmerican comedian and actor
Other Radiant Pioneers
- Alex MoralesPuerto Rican basketball player (born 1997)
- Khaman MaluachSouth Sudanese basketball player (born 2006)
- Madelaine PetschAmerican actress and YouTuber (born 1994)
- Brooke AverickAmerican internet personality and podcaster
Famous people with Life Path 22
- Don RicklesAmerican stand-up comedian
- Wallace ShawnAmerican actor
- Eric IdleBritish comedian, actor and writer (born 1943)
From the journal: Sun sign stereotypes vs what modern Western readers say · Your animal plus your element: the 60-year cycle
Robert’s cards
Every card is computed from July 7, 1907, none chosen. Tap one to flip it.
☾ Ruled by Moon
Silver Ag
Tap to flip
The working: BaZi pillarsshow
BaZi pillars
Day Master: yin Fire.
Year
丁
yin Fire
未
Goat
Earth
roots & early life
Month
丙
yang Fire
午
Horse
Fire
work & drive
Day
day master
丁
yin Fire
巳
Snake
Fire
you & partnership
No birth time is on public record for Robert A. Heinlein, 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
Robert’s birth date and birthplace come from Wikidata Q123078, 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 Unknown, CC BY-SA 3.0, via Wikimedia Commons.
The same Robert A. Heinlein at Wikipedia, IMDb 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 Robert A. Heinlein.
Quick answers about Robert A. Heinlein’s chart
- What zodiac sign was Robert A. Heinlein?
- Robert A. Heinlein was a Cancer: born July 7, 1907, which puts the Sun in Cancer for the whole of that day. That is the Western star sign. In the Chinese zodiac they were a Fire Goat.
- What was Robert A. Heinlein's Chinese zodiac animal?
- The Goat, with the Fire element, from the Chinese lunar year of the July 7, 1907 birth.
- What time was Robert A. Heinlein 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 Robert A. Heinlein's Life Path number?
- Life Path 22, calculated in numerology from the July 7, 1907 birth date.
- What was Robert A. Heinlein's Chiron sign?
- Chiron in Aquarius at 17°. Position from JPL Horizons for the July 7, 1907 birth date.
- Where was Robert A. Heinlein's Black Moon Lilith?
- Mean Black Moon Lilith in Cancer at 10°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
- What was Robert A. Heinlein's dominant planet?
- Moon, on AsterNym's dominance score (6 points: rules the Sun sign, Cancer; disposes Sun, Jupiter, Neptune). Sun is second and Saturn third. Other sites weight rulerships and aspects differently and can name a different leader.
