Dictionary term
Longitude of Ascending Node
Direct answer
Longitude of Ascending Node is the angle in a reference plane from its origin to the orbit’s upward crossing node.
It rotates an inclined orbit’s node line around the reference plane.
It rotates an inclined orbit’s node line around the reference plane.
A scientific orientation to scale, light, or motion; the article supplies the precise definition.Quick reference
- Use when
- Pair it with inclination and identify the coordinate origin and epoch.
- Do not use it for
- It does not locate the body along its orbit.
- Reference category
- Astronomy & Skywatching
- Related terms
- Orbital Eccentricity, Orbital Inclination, Argument of Periapsis, True Anomaly
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The story behind Longitude of Ascending Node
Classical orbit theory used nodes to connect inclined orbital and reference planes.
Longitude of Ascending Node: fact and faith, kept distinct
This is a factual astronomy reference. It can support wonder at the created order without becoming a claim of fate, worship, or private revelation.
Longitude of Ascending Node in numerology
Longitude of Ascending Node 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.
Longitude of Ascending Node at work: an example
Two orbits can share inclination but have different node longitudes.
Where interpretation stops
Longitude of Ascending Node 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:
- U.S. Naval Observatory: Astronomical Almanac Glossary - Definitions for astronomical coordinates, time, reference systems, and observable phenomena.
- NASA Science: Orbits and Kepler’s Laws - NASA explanation of orbital ellipses, orbital periods, and Kepler’s laws of planetary motion.
- Source
- The Great Almanac Dictionary
- Category
- Astronomy & Skywatching
- Also appears in
- Astronomy & Skywatching
- Aliases
- None listed
- Last updated
- 2026-07-16
Place the ascending node
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More in Astronomy & Skywatching
- Orbital Resonance
- Radial Velocity
- Solar Chromosphere
- Telescope Aperture
- Annual Aberration
- Aurora
- Diffraction Limit
- Great Circle
Common questions
What is Longitude of Ascending Node?
Longitude of Ascending Node is the angle in a reference plane from its origin to the orbit’s upward crossing node.
How is Longitude of Ascending Node used in an almanac?
Pair it with inclination and identify the coordinate origin and epoch.
What should I avoid when interpreting Longitude of Ascending Node?
It does not locate the body along its orbit.
