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Check a Sun or Moon position

check_ephemeris
Read-onlyIdempotent

Check a claimed Sun (soleil) or Moon (lune) position for UTC time/location using NOAA/Meeus approximations and lunar parallax. Returns model-conditional angular consistency and lunar phase.

Input Schema

NameRequiredDescriptionDefault
objectNolune
date_utcYesUTC instant, exactly YYYY-MM-DDTHH:MM:SSZ, e.g. 2026-06-21T12:00:00Z
latitudeYesDegrees, north positive
longitudeYesDegrees, east positive
tolerance_degNo
claimed_azimuth_degYes
claimed_elevation_degYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changed
    • addedInput schema / properties / date_utc / description
      Added value: +"UTC instant, exactly YYYY-MM-DDTHH:MM:SSZ, e.g. 2026-06-21T12:00:00Z"
    • addedInput schema / properties / latitude / description
      Added value: +"Degrees, north positive"
    • addedInput schema / properties / longitude / description
      Added value: +"Degrees, east positive"
  2. First observed

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