Titius–Bode law

E409157

The Titius–Bode law is an 18th-century empirical rule that approximates the distances of planets from the Sun using a simple numerical sequence, historically noted for roughly predicting the positions of several known planets and the asteroid belt.

All labels observed (3)

Label Occurrences
Titius–Bode law canonical 2
Bode’s law 1
Titius–Bode rule 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf astronomical rule
empirical rule
mathematical law
appliesTo Solar System
appliesToBodyType asteroid belt
dwarf planets
planets
approximationQuality rough
basedOn numerical sequence
characteristic approximate
empirical
comparedWith other planetary spacing laws
consideredAs numerological relation by many modern astronomers
describes approximate distances of planets from the Sun
discussedIn history of astronomy
domain planetary systems
field astronomy
celestial mechanics
formulatedInCentury 18th century
formulatedInYearApprox 1766
givesRelationBetween planetary orbital semi-major axes and a simple integer sequence
hasAlternativeName Titius–Bode law
surface form: Bode’s law

Titius–Bode law
surface form: Titius–Bode rule
hasDebate whether it reflects underlying dynamical processes
hasImpact motivated 19th-century asteroid searches
hasInfluenced historical development of planetary discovery strategies
hasTypeOfSequence geometric progression with offset
historicallyPredicted position of Ceres
position of Uranus
inspired search for missing planet between Mars and Jupiter
isExampleOf empirical pattern in orbital architecture
lacks widely accepted physical derivation
mathematicalForm a = 0.4 + 0.3 × 2^n (in astronomical units)
namedAfter Johann Daniel Titius
Johann Elert Bode
originallyProposedBy Johann Daniel Titius
parameter n integer index for planetary order
popularizedBy Johann Elert Bode
predictsPoorly orbit of Neptune
orbit of Pluto
predictsWell orbit of Ceres in the asteroid belt
Uranus
surface form: orbit of Uranus

orbits of Mercury, Venus, Earth, Mars
relatedTo distribution of planetary orbits
planetary spacing
statusInModernScience largely coincidental pattern
not a fundamental physical law
usesUnit astronomical unit

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Bode knownFor Titius–Bode law
subject surface form: Johann Elert Bode
Johann Elert Bode knownFor Titius–Bode law
Titius–Bode law hasAlternativeName Titius–Bode law
this entity surface form: Bode’s law
Titius–Bode law hasAlternativeName Titius–Bode law
this entity surface form: Titius–Bode rule