Robert A. Heinlein’s birth chart
Born 7 July 1907, in Butler, Missouri, at 15:15 (Rodden B).
Cancer Sun · Gemini Moon · Scorpio rising
Robert A. Heinlein’s zodiac sign and chart, in brief
Robert A. Heinlein was born in Butler, Missouri, on 7 July 1907, a Sunday. The Sun was in Cancer, so Cancer was their zodiac sign, with the Moon in Gemini and Scorpio rising. They died on 8 May 1988, aged 80. The birth time, 15:15, comes from Astro-Databank with a Rodden rating of B, which means it was taken from a biography or autobiography.
By element the count is four water, three air, two earth and one fire. Across cardinal, fixed and mutable signs the split is five, one and four. Cancer holds a stellium, three planets in one sign: Sun, Jupiter and Neptune. Three planets stand together in Gemini: Moon, Venus and Pluto. No two planets sit closer to an exact angle than Mars and Neptune: an opposition, 0.6° from exact. Two planets were retrograde: Mars and Uranus. The Moon was a waning crescent.
StarMap's dataset holds 11 other people born on 7 July, among them Vittorio De Sica, Shelley Duvall and Toto Cutugno.
See the sky the night Robert A. Heinlein was born: the stars over Butler, Missouri at 15:15, drawn as a star map with the date and the place beneath.
Robert A. Heinlein’s Sun, Moon and rising sign
Sun sign
Cancer
14° Cancer 34'
A Cancer Sun protects. For Robert A. Heinlein, home, memory and the people they have decided are theirs tend to sit at the centre of things, and they probably read a room before anyone speaks. Care is the strength of this Sun, and their task is to include themselves in it.
Moon sign
Gemini
14° Gemini 42'
The Moon in Gemini processes feeling by naming it. For Robert A. Heinlein, talking, writing and switching perspective are likely ways to settle, and silence can make small worries loud. They probably need people who let them think out loud.
Rising sign
Scorpio
17° Scorpio 32'
Scorpio rising comes across as intense and self-contained. People tend to sense that there is more going on than Robert A. Heinlein is saying; this rising sign keeps more back than it shows.
The chart wheel
Drawn for 15:15 on 7 July 1907, with the eastern horizon on the left. How to read a chart wheel
Placements
| Sun | 14° Cancer 34' | House 8 |
|---|---|---|
| Moon | 14° Gemini 42' | House 7 |
| Mercury | 6° Leo 44' | House 9 |
| Venus | 25° Gemini 52' | House 8 |
| Mars | 13° Capricorn 01'℞ | House 2 |
| Jupiter | 20° Cancer 42' | House 8 |
| Saturn | 27° Pisces 27' | House 4 |
| Uranus | 10° Capricorn 33'℞ | House 2 |
| Neptune | 12° Cancer 26' | House 8 |
| Pluto | 23° Gemini 46' | House 8 |
| North Node | 23° Cancer 23' | House 9 |
| South Node | 23° Capricorn 23' | House 3 |
Robert A. Heinlein’s planets, sign by sign
Each planet by sign and house: what the placement is traditionally taken to mean, not a claim about Robert A. Heinlein’s private life.
With the Sun in Cancer, Robert A. Heinlein is likely to feel most alive when caring for people and places that matter to them, and purpose is tied to belonging somewhere. Feeling unneeded is the sore spot for this placement, and it can be taken personally. The whole day may go better after checking in on someone they love.
Robert A. Heinlein is apt to go looking for what lies beneath the surface, in themselves and in the people close to them, and shallow exchanges may leave them cold. With the Sun in the eighth house, trust tends to become the ground their identity is built on, and opening up may wait until it exists.
The Moon in Gemini runs its daily habits on conversation and mental stimulation, and Robert A. Heinlein is likely to settle by talking a worry through rather than sitting with it quietly. A day with no one to talk to can leave them restless. The habit is to message a friend the moment something comes to mind, before deciding what to think about it.
With the Moon in the seventh house, Robert A. Heinlein is likely to feel most themselves inside a close partnership, reading the emotional temperature of a relationship constantly and by instinct. Too long alone can leave them unmoored, even when nothing is wrong.
Mercury in Leo gives Robert A. Heinlein a mind that thinks in confident, story-shaped terms and communicates with warmth and a bit of flair, drawing people in even when the subject is dry. Attachment to being right can make Robert A. Heinlein more persuasive than accurate. A simple update, in their hands, can become something closer to a performance.
With Mercury in the ninth house, Robert A. Heinlein thinks in big frameworks and enjoys following an idea all the way to where it leads, even if that means a change of mind along the way. Foreign ideas, languages and philosophies excite them more than familiar, well-worn ones.
Venus in Gemini loves through conversation, wit and mental connection, and tends to find a dull partner harder to stay with than a challenging one. Robert A. Heinlein probably values variety and being kept interested. Attention may wander with this Venus, and that can be treated as more serious than it is. Banter is the natural way to flirt here, more than anything more direct.
Venus in the eighth house wants intimacy that goes all the way down, not the kind that stays comfortably light, and Robert A. Heinlein is inclined to build trust slowly and value it highly once it exists. The placement suggests that whatever Robert A. Heinlein shares with someone means more when the bond behind it is solid.
Mars in Capricorn acts with discipline and patience, playing a longer game than most, and in Robert A. Heinlein's case its anger tends to be controlled, arriving as coldness rather than heat. The tendency is to go quiet and distant instead of saying what is wrong. A frustration is something to outwork rather than voice.
With Mars in the second house, Robert A. Heinlein goes after what they want with visible drive, and a firm sense of their own worth fuels that determination. Patience with slow, gradual progress is unlikely to be their strong suit, and waiting around frustrates them quickly.
Jupiter in Cancer
20° Cancer 42' · eighth house
growth and excess
For Robert A. Heinlein, Jupiter in Cancer means growing by nurturing others and building a home that people want to return to. The excess can be protecting loved ones past the point they need it. Generosity here takes the form of home-cooked meals, open doors and an instinct to take in anyone who needs somewhere to land.
Jupiter in the eighth house brings a quiet trust to intimacy and to whatever is held in common, and for Robert A. Heinlein it suggests an expectation that things will be fair with the people closest to them. The placement goes with meeting deep change openly, not warily.
Saturn in Pisces builds discipline around boundaries, and it usually starts from a habit of carrying feelings that belong to other people. For Robert A. Heinlein, the doubt is likely to take the form of guilt for protecting their own time and energy. What this Saturn works towards is a quiet, mature compassion, once it is clear that a boundary and a closed heart are not the same thing.
Saturn sits in the fourth house of Robert A. Heinlein's chart, a placement linked with the weight of home and family responsibility on a person's shoulders, often from early on. With this placement, a stable home is apt to be built by sustained effort, and the security created there tends to mean more because of the work it takes.
Uranus in Capricorn
10° Capricorn 33' ℞ · second house
freedom, generational
Many people within a few years of Robert A. Heinlein's age share Uranus in Capricorn, the mark of a generation that dismantles and rebuilds old institutions and structures of authority. Personally, that can mean scepticism towards any system that asks for trust without having shown why it deserves it.
Robert A. Heinlein is unlikely to be satisfied for long by conventional measures of worth, and with Uranus in the second house, the idea of what is worth having changes over time. They place value on things that are usually overlooked, and would rather travel light than be tied down by what they own.
Neptune in Cancer
12° Cancer 26' · eighth house
imagination, generational
Neptune in Cancer is shared by Robert A. Heinlein and many people born in the same decade or so. The generation idealises home and family, often carrying a wider nostalgia for a version of belonging that may never quite have existed. Personally it can be a soft-focus longing for a childhood home.
With Neptune in the eighth house, intimacy can feel like dissolving the usual boundaries with another person, for better and sometimes for worse, and Robert A. Heinlein can be unusually sensitive to what goes unsaid. Trust may ask them to keep their feet on the ground rather than merge completely and lose their own outline.
Pluto in Gemini
23° Gemini 46' · eighth house
power, generational
Robert A. Heinlein shares Pluto in Gemini with many people born in the same long stretch of years. That generation transforms communication and collective thought, often through upheavals in how information is controlled and shared. The personal portion is an intense relationship with what counts as truth.
The eighth house is Pluto's natural home, and for Robert A. Heinlein questions of trust, power and what is truly shared between people can matter enormously. Pluto here wants to understand what most people are too afraid to look at directly, even about themselves.
Aspects in Robert A. Heinlein’s chart
How the planets stand to each other, tightest first.
Mars opposition Neptune
0.6° applying
Robert A. Heinlein may find direct action pulling one way and, the other way, a tendency to lose momentum in doubt or in an unclear picture of what is wanted. Getting specific about the goal, even roughly, tends to restore the energy that vagueness drains.
Sun opposition Mars
1.5° separating
The Sun opposite Mars pits self-assertion against putting other people's wishes first, and for Robert A. Heinlein that can play out as a tug of war with partners or rivals. Learning to want things directly, without needing a fight to justify the wanting, settles more than it stirs up.
Venus square Saturn
1.6° applying
Venus square Saturn can pair the desire for closeness with a fear of not being quite enough to keep it. For Robert A. Heinlein that may mean self-doubt in relationships that have given no reason for it, and the fear can ease each time they let themselves be loved without first having to deserve it.
Venus conjunction Pluto
2.1° separating
Love tends to run deep and complete under Venus conjunct Pluto, and Robert A. Heinlein is likely to lean towards intensity over casual affection. Relationships gain depth from it. What takes practice is trusting a connection without needing to test it to prove it is real.
Sun conjunction Neptune
2.1° separating
A Sun-Neptune conjunction tends to make Robert A. Heinlein's sense of self porous and imaginative, drawn towards ideals, art or causes bigger than everyday life. Compassion and creativity come with it, and so does the task of keeping a clear enough sense of who they are underneath the dream.
Mars conjunction Uranus
2.5° applying
Mars conjunct Uranus makes for a sudden, independent drive, and Robert A. Heinlein probably acts fastest at the exact moment someone says it cannot be done. Courage and originality come with the aspect, and so does the need to check an impulsive decision against longer-term goals before committing to it.
The rest, listed without a reading. Those between Uranus, Neptune and Pluto hold for years at a time, so everyone born while one holds shares it.
- Uranus opposition Neptune1.9°
- Saturn square Pluto3.7°
- Sun opposition Uranus4.0°
- Sun conjunction Jupiter6.1°
- Jupiter trine Saturn6.7°
- Mars opposition Jupiter7.7°
Cancer Sun and Gemini Moon, like Robert A. Heinlein
Also born on 7 July
How this page is made
Planet positions are computed with the astronomy-engine ephemeris and checked against Swiss Ephemeris. Birth dates and places come from Wikidata; the birth time comes from Astro-Databank and is shown with its Rodden rating. The readings describe what a placement is traditionally taken to mean. They are written by StarMap for reflection and entertainment, not as statements about the person’s private life. New to charts? How to read a birth chart.
Birth data: Wikidata, Astro-Databank (Bio/autobiography). Birth time rated B on the Rodden scale. Photo: Wikimedia Commons (author and licence on the file page).
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StarMap is for entertainment and self-reflection. It does not predict health, money or legal outcomes.