{
  "schemaVersion": "celestial-public-authority-conformance/1.0",
  "corpusVersion": "2026-08-24.1",
  "retrievedAt": "2026-08-24T11:38:38.000Z",
  "privacyBoundary": "Neutral benchmark instants only. No participant, natal, founder, customer, or business-event data are included.",
  "jplHorizons": {
    "authority": "NASA Jet Propulsion Laboratory Solar System Dynamics Group",
    "apiSignatureVersion": "1.2",
    "documentationVersion": "1.3 (2025 June)",
    "manualVersion": "4.98d (2025-11-21)",
    "ephemeris": "DE441",
    "sourceUrl": "https://ssd-api.jpl.nasa.gov/doc/horizons.html",
    "manualUrl": "https://ssd.jpl.nasa.gov/horizons/manual.html",
    "queryContract": {
      "ephemerisType": "OBSERVER",
      "center": "500@399",
      "timeType": "UT",
      "quantity": "31 ObsEcLon",
      "coordinate": "observer-centered IAU76/80 ecliptic-of-date apparent longitude",
      "refraction": "airless"
    },
    "targetIds": {
      "Sun": "10",
      "Moon": "301",
      "Mercury": "199",
      "Venus": "299",
      "Mars": "499",
      "Jupiter": "599",
      "Saturn": "699"
    }
  },
  "longitudeToleranceDegrees": 0.005,
  "longitudeCases": [
    {
      "id": "jpl-neutral-1987-equinox-nearby",
      "instantUtc": "1987-03-20T00:00:00.000Z",
      "referenceLongitudes": { "Sun": 358.8463428, "Moon": 233.9218678, "Mercury": 332.268451, "Venus": 319.6582392, "Mars": 48.7428394, "Jupiter": 4.1257879, "Saturn": 261.0577347 }
    },
    {
      "id": "jpl-neutral-j2000",
      "instantUtc": "2000-01-01T12:00:00.000Z",
      "referenceLongitudes": { "Sun": 280.3689092, "Moon": 223.323786, "Mercury": 271.8892699, "Venus": 241.5657794, "Mars": 327.9632921, "Jupiter": 25.2530685, "Saturn": 40.3956366 }
    },
    {
      "id": "jpl-neutral-2024-eclipse-day",
      "instantUtc": "2024-04-08T18:00:00.000Z",
      "referenceLongitudes": { "Sun": 19.3861885, "Moon": 19.1832147, "Mercury": 24.8070865, "Venus": 4.427195, "Mars": 343.0401557, "Jupiter": 49.042528, "Saturn": 344.4536677 }
    },
    {
      "id": "jpl-neutral-2026-solstice-nearby",
      "instantUtc": "2026-06-21T00:00:00.000Z",
      "referenceLongitudes": { "Sun": 89.6655938, "Moon": 168.6969009, "Mercury": 113.3887923, "Venus": 128.7541876, "Mars": 54.3946046, "Jupiter": 118.0493864, "Saturn": 13.6803516 }
    }
  ],
  "usnoMoonPhases": {
    "authority": "US Naval Observatory Astronomical Applications Department",
    "apiVersion": "4.0.1",
    "sourceUrl": "https://aa.usno.navy.mil/api/moon/phases/year?year=2026",
    "documentationUrl": "https://aa.usno.navy.mil/data/api",
    "timeToleranceMinutes": 1,
    "events": [
      { "id": "usno-2026-full-01", "phase": "Full Moon", "phaseAngleDegrees": 180, "searchStartUtc": "2025-12-20T00:00:00.000Z", "referenceUtcMinute": "2026-01-03T10:03:00.000Z" },
      { "id": "usno-2026-new-01", "phase": "New Moon", "phaseAngleDegrees": 0, "searchStartUtc": "2026-01-04T00:00:00.000Z", "referenceUtcMinute": "2026-01-18T19:52:00.000Z" }
    ]
  },
  "interpretationBoundary": "Agreement validates declared astronomical calculations within a numerical envelope. It does not validate astrological, religious, personal, or predictive interpretations."
}