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Dataset

Celestial Mechanics & Reference Frames Dataset

The mathematical foundation of motion and time — the orbital-mechanics concepts (Kepler's laws, Lagrange points, resonances, tidal evolution), the reference frames and epochs (ICRS, J2000), and the ephemeris systems (JPL DE, SPICE, Horizons).

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Generated from the canonical knowledge graph. Open, machine-readable, and free to reuse under CC BY-SA 4.0.

Version
1.0.0
Entities
23
Last generated
2026-06-29
License
CC BY-SA 4.0
Checksum
— (published at release)

Sample (23 of 23)

NameType
JPL Development EphemerisEphemeris system
JPL HorizonsEphemeris system
Lagrange PointsOrbital mechanics concept
Mean-Motion ResonanceOrbital mechanics concept
N-Body DynamicsOrbital mechanics concept
Orbital ElementsOrbital mechanics concept
Orbital PerturbationsOrbital mechanics concept
Secular ResonanceOrbital mechanics concept
Spin–Orbit CouplingOrbital mechanics concept
The B1950 EpochReference frame
The Barycentric Celestial Reference SystemReference frame
The Ecliptic & EquinoxReference frame
The Fifth Fundamental Catalogue (FK5)Reference frame
The Fourth Fundamental Catalogue (FK4)Reference frame
The Geocentric Celestial Reference SystemReference frame
The Hill SphereOrbital mechanics concept
The International Celestial Reference Frame (ICRF3)Reference frame
The International Celestial Reference SystemReference frame
The J2000 EpochReference frame
The Restricted Three-Body ProblemOrbital mechanics concept
The Roche LimitOrbital mechanics concept
The SPICE ToolkitEphemeris system
Tidal EvolutionOrbital mechanics concept

Source references

The primary and reference sources this topic draws on.

  • NASA JPLJet Propulsion Laboratory / Solar System Dynamics

    Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.

  • IAUInternational Astronomical Union

    Official naming, definitions, constellation boundaries, and astronomical nomenclature.