Dictionary term
Mean Motion Resonance
Direct answer
Mean Motion Resonance is an orbital resonance tied to a near-integer ratio of average angular orbital rates.
It couples bodies through commensurate mean motions.
- Source
- The Great Almanac Dictionary
- Category
- Astronomy & Skywatching
- Also appears in
- Astronomy & Skywatching
- Aliases
- None listed
- Last updated
- 2026-07-16
Quick reference
- Use when
- Confirm a resonant argument librates before declaring resonance.
- Do not use it for
- Mean motion is an average; instantaneous angular speeds can differ strongly.
- Reference category
- Astronomy & Skywatching
- Related terms
- Escape Velocity, Orbital Resonance, Lagrange Point, Hill Sphere
The story behind Mean Motion Resonance
Celestial mechanicians used perturbation theory to identify resonant terms and stability zones.
Mean Motion Resonance in spiritual tradition
Long repetition can outweigh the force of one encounter.
The Great Almanac frames Mean Motion Resonance with educational restraint. Mystical or symbolic language may be meaningful, but it should not be exaggerated into certainty, panic, or permission to ignore ordinary responsibility.
Mean Motion Resonance in the Bible
This is a factual astronomy reference. It can support wonder at the created order without becoming a claim of fate, worship, or private revelation.
Mean Motion Resonance in numerology
Mean Motion Resonance is not a numerology claim. Any numbers attached to it should retain their ordinary scientific, calendrical, navigational, or historical meaning unless a separate symbolic interpretation is clearly labeled.
Why Mean Motion Resonance matters
It explains structured gaps, rings, satellite relations, and protected small-body orbits.
Example in a reading: Jupiter’s resonances help create Kirkwood gaps in the asteroid belt.
Interpretive caution: Mean motion is an average; instantaneous angular speeds can differ strongly.
How Mean Motion Resonance is used in a reading
Confirm a resonant argument librates before declaring resonance.
Where interpretation stops
Mean Motion Resonance is presented as sourced astronomy, calendrical, Earth-science, cultural, or instrument-history reference. Definitions should distinguish measured phenomena from civil convention and historical interpretation, preserve location and time dependencies, and avoid turning factual sky data into a deterministic personal claim.
Sources and editorial method
Research references used for this entry include:
- NASA Science: Solar System Exploration - NASA overview of planets, moons, small bodies, rings, and the structure of the Solar System.
- NASA Science: Universe Glossary - NASA definitions for common stellar, galactic, orbital, and high-energy astronomy terms.
The page starts with a direct definition, then separates use, example, caution, spiritual meaning, and historical context. For astrology, occult, demonology, curse, and spiritual warfare terms, the editorial rule is to explain the term without making fear-based, fatalistic, medical, legal, financial, or ritual-instruction claims.
Continue learning
Continue from the definition into current sky positions, space weather, and the live collective celestial view.
Open Worldwide WatchRelated terms
These related entries help place Mean Motion Resonance inside a wider reference cluster instead of leaving it as a standalone keyword.

