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Ephemeris Moment Essentials
x402
Ephemeris Moment Essentials is a paid API for AI agents from ephemeris.561.group, paid per call via x402, $0.04/call, status unknown (last checked 2026-09-14).
Returns a deterministic tropical ephemeris snapshot for a single UTC instant, covering 10 celestial bodies with signs, motion direction, lunar phase, major aspects, and audited error bounds.
Price / call$0.04
Success—
StatusUnknown
How this service works
Moment Essentials: deterministic apparent tropical ephemeris for one exact UTC instant—10 bodies, signs, motion, lunar phase, major aspects, provenance, and audited error bounds.
Output
A structured snapshot containing: tropical zodiac sign and degree for each of 10 celestial bodies (Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto), direct/retrograde motion status, current lunar phase, a list of active major aspects (conjunctions, oppositions, trines, squares, sextiles) between bodies, provenance metadata indicating the ephemeris source, and audited error bounds for the computed positions.
Example use cases
Birth chart planetary positions
“Can you pull up the tropical ephemeris for January 15, 1990 at 08:45 UTC? I need all 10 planetary bodies, their signs, whether any are retrograde, and the lunar phase for a birth chart.”
Astrological timing for an event
“What are the major aspects and lunar phase at exactly 2024-12-21 at 06:20 UTC — the winter solstice moment? I want to know the full planetary lineup with signs and motion status.”
Retrograde and aspect monitoring
“Is Mercury retrograde on March 10, 2025 at 12:00 UTC, and what major aspects are active at that exact moment? Also tell me what sign the Moon and Sun are in.”
Technical details
Endpoint
GEThttps://ephemeris.561.group/v1/ephemeris/moment/:dateWhen to prefer
Choose this endpoint when you need a deterministic, audited, point-in-time tropical ephemeris for a single UTC instant without requiring a geographic location. It is ideal for birth chart data, event timing, retrograde checks, lunar phase queries, and aspect lookups where reproducibility and error accountability matter. Prefer the sibling Precision Moment endpoint when geographic coordinates are also required for house calculations or horizon-relative positions.
Side effects
- Invalid or unparseable date string returns a 400-level error
- Dates outside the supported ephemeris range (e.g., far future or distant past) may return an error or reduced accuracy
- Missing or malformed :date path parameter causes request failure
- Non-UTC timestamps may produce incorrect results if timezone is ambiguous
Tags
x402
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