{
  "name": "Bharat Ephemeris — Sidereal Accuracy vs NASA/JPL Horizons",
  "description": "Per-graha angular residuals of the 100% in-house Bharat Ephemeris (Sūrya-Siddhānta + Kerala-school kernel, kerala-max) against NASA/JPL Horizons geocentric apparent longitudes. No Swiss Ephemeris in the numeric chain.",
  "creator": "Bharat Ephemeris (Pardeep Sehrawat)",
  "license": "CC-BY-4.0",
  "citation": "Bharat Ephemeris accuracy benchmark vs NASA/JPL Horizons. DOI 10.5281/zenodo.20024273.",
  "doi": "10.5281/zenodo.20024273",
  "url": "https://bharatephemeris.com/accuracy",
  "method": {
    "reference": "NASA/JPL Horizons",
    "metric": "angular residual (arcseconds)",
    "window": "2000–2050",
    "samples": 1000,
    "dateSpan": "2000-01-02 → 2050-01-01 (50 years · 1000 samples)"
  },
  "perGraha": {
    "sun": {
      "iast": "Sūrya",
      "meanArcsec": 3.0809,
      "medianArcsec": 2.5274,
      "p95Arcsec": 7.7653,
      "maxArcsec": 12.6827,
      "samples": 1000
    },
    "moon": {
      "iast": "Candra",
      "meanArcsec": 12.1106,
      "medianArcsec": 10.1813,
      "p95Arcsec": 30.2967,
      "maxArcsec": 56.7297,
      "samples": 1000
    },
    "mercury": {
      "iast": "Budha",
      "meanArcsec": 50.4856,
      "medianArcsec": 41.369,
      "p95Arcsec": 129.7488,
      "maxArcsec": 183.376,
      "samples": 1000
    },
    "venus": {
      "iast": "Śukra",
      "meanArcsec": 10.9608,
      "medianArcsec": 6.9087,
      "p95Arcsec": 35.0255,
      "maxArcsec": 87.9191,
      "samples": 1000
    },
    "mars": {
      "iast": "Maṅgala",
      "meanArcsec": 18.0776,
      "medianArcsec": 12.4059,
      "p95Arcsec": 55.1455,
      "maxArcsec": 184.6452,
      "samples": 1000
    },
    "jupiter": {
      "iast": "Guru",
      "meanArcsec": 27.7242,
      "medianArcsec": 22.3782,
      "p95Arcsec": 70.5669,
      "maxArcsec": 128.1675,
      "samples": 1000
    },
    "saturn": {
      "iast": "Śani",
      "meanArcsec": 26.5414,
      "medianArcsec": 23.6515,
      "p95Arcsec": 61.3374,
      "maxArcsec": 91.8596,
      "samples": 1000
    }
  }
}