Moon & Planets
The Holistic Universe Model extends beyond Earth to include the Moon and all major planets. Their orbital periods and precession cycles all align with the 333,888-year Holistic-Year.
Moon Movements
The Moon exhibits two primary precession cycles:
| Precession Type | Against ICRF | Experienced on Earth |
|---|---|---|
| Nodal Precession | ~18.59997 years | ~18.61345 years |
| Apsidal Precession | ~8.85058 years | ~8.84752 years |
Lunar Standstill
The Moon’s nodal precession causes the phenomenon known as Lunar Standstill - when the Moon reaches its extreme northern or southern declination relative to Earth’s equator.
The Royer Cycle
To correctly model all Moon movements in the 3D simulation, an additional cycle was needed: the Royer cycle with a duration of ~16.88 years. This cycle describes a lunar beat frequency that isn’t captured by nodal or apsidal precession alone. Without this third component, the Moon’s 3D position cannot be accurately reproduced.
The ~16.9-year Royer cycle has been independently identified in climate research as a lunar tidal beat frequency. It appears in the SOIM (Sidereal Orbital Invariant Model) alongside other lunar cycles including:
| Cycle | Duration | Description |
|---|---|---|
| Apsidal precession | ~8.85 years | Lunar perigee rotation |
| Royer cycle | ~16.88 years | Lunar beat frequency |
| Nodal precession | ~18.6 years | Lunar node rotation (draconic) |
Derivation of the Royer cycle: The ~16.88 year period is a beat frequency arising from the interaction of two main lunar cycles:
1/T_royer = 1/T_apsidal - 1/T_nodal
1/16.88 = 1/8.85 - 1/18.6This is the “meeting frequency” when the apsidal and nodal cycles, moving at different rates, come back into phase alignment. The Royer cycle is therefore derived from, not independent of, the standard lunar cycles.
All Moon cycle durations come together in the Holistic-Year of 333,888 years.
Eclipse Cycles
The 3D simulation includes eclipse visualization using Three.js lighting and shadow functions. While not 100% aligned, the model captures eclipses with reasonable accuracy.
Recent Eclipse Examples
| Event | Official Time | Model Prediction | Accuracy |
|---|---|---|---|
| 2025 Sep 7 Lunar Eclipse | 15:30-21:00 UTC | 15:00-22:00 UTC | Good |
| 2025 Sep 21 Solar Eclipse | ~19:45 UTC max | ~01:00 UTC (Sep 22) | ~5 hours off |
| 2025 Mar 29 Solar Eclipse | ~11:00 UTC max | ~10:00 UTC | Excellent |
The eclipse timing variations are simulation implementation limitations, not model limitations. Earth’s orbit is currently modeled as circular rather than elliptical, and smaller lunar perturbations are not included. With community refinement, these could be improved to match every eclipse precisely.
Planetary Movements
All planets are configured in the 3D simulation with their perihelion precession fully modeled according to Kepler’s Third Law.
Simulation Limitations
The current simulation has two simplifications:
- Constant speeds: Kepler’s second law (variable orbital speeds) is not implemented
- Circular orbits: Most orbits use circles rather than ellipses (though two circles create effectively elliptical paths)
Despite these simplifications, the model matches observational data for transits, oppositions, and conjunctions.
Planetary Perihelion Data
All perihelion calculations are grounded in data from NASA and WebGeocalc.
Data Sources: For the complete list of transit catalogues, opposition dates, and conjunction data used to validate planetary positions, see the Appendix: Planetary Events & Catalogues.
Mercury
Mercury’s model is fully aligned with NASA transit data.
Perihelion precession: ~575 arcseconds/century observed
For details on Mercury’s “missing” perihelion precession, see Mercury Precession.
Venus
Venus is fully aligned with NASA transit data.
Perihelion precession: ~400 arcseconds/century
Mars
Mars is aligned with opposition data.
Perihelion precession: ~1600 arcseconds/century
Jupiter
Perihelion precession: ~1800 arcseconds/century (varies over longer periods)
Saturn
Perihelion precession: ~-3400 arcseconds/century (retrograde, varies over time)
Uranus
Perihelion precession: ~1100 arcseconds/century
Neptune
Perihelion precession: ~200 arcseconds/century
How Planetary Calculations Work
All calculations in the 3D simulation follow three principles:
- Grounded in scientific data: Ascending/descending nodes, eccentricity values, etc. from official sources
- Transparent perihelion locations: Positions are calculated directly, not layered approximations
- Kepler’s Third Law: Orbital elements follow the period-distance relationship
Example: Jupiter Calculation Structure
barycenterEarthAndSun.pivotObj.add(jupiterPerihelionDurationEcliptic1.containerObj);
jupiterPerihelionDurationEcliptic1.pivotObj.add(jupiterPerihelionFromEarth.containerObj);
jupiterPerihelionFromEarth.pivotObj.add(jupiterPerihelionDurationEcliptic2.containerObj);
jupiterPerihelionDurationEcliptic2.pivotObj.add(jupiterRealPerihelionAtSun.containerObj);
jupiterRealPerihelionAtSun.pivotObj.add(jupiter.containerObj);The calculation chain:
- Start at PERIHELION-OF-EARTH (barycenterEarthAndSun)
- Add planet’s perihelion precession speed
- Set perihelion location
- Add counter-movement correction
- Move to Sun-centered reference
- Apply orbital elements and nodes
Summary
- Moon’s nodal precession: 18.6 years (causes Lunar Standstill)
- Moon’s apsidal precession: 8.85 years
- All Moon cycles align with the 333,888-year Holistic-Year
- Eclipse visualization is included in the 3D simulation
- Planetary perihelions form a spiral pattern when viewed from Earth
- All planet orbits follow Kepler’s Third Law with data from NASA/WebGeocalc
- The model matches transit, opposition, and conjunction observations
Explore in the 3D Simulation: All planetary and lunar data can be verified in the Interactive 3D Solar System Simulation . The Excel documentation includes detailed tabs for each planet’s orbital parameters.
Continue to Mercury Precession for a detailed analysis of the “missing” perihelion precession of Mercury.