{
  "method": "heliocentric two-body differential correction of a six-component ICRF state vector",
  "observations": 57,
  "arc_hours": 8.522666104137897,
  "reference_epoch_tdb_jd": 2460949.9312817114,
  "reference_epoch_utc": "2025-10-01T10:19:53.557487Z",
  "observer": "Solar Orbiter, JPL Horizons -144",
  "initialization": "JPL Horizons C/2025 K1 (ATLAS) solution 90004923",
  "fit_success": true,
  "fit_message": "`xtol` termination condition is satisfied.",
  "function_evaluations": 27,
  "radial_rms_arcsec": 0.016456868303914834,
  "radial_median_arcsec": 0.014586882659351725,
  "maximum_residual_arcsec": 0.03948769375900325,
  "jacobian_condition_number": 89863.7164320531,
  "ill_conditioned_short_arc": true,
  "state_vector_icrf_au_au_per_day": {
    "x": -0.2526066259745452,
    "y": -0.23228614203346376,
    "z": -0.2822654013312786,
    "vx": 0.009211538609255502,
    "vy": 0.043148618516850715,
    "vz": 0.018730922868904376
  },
  "osculating_elements": {
    "semimajor_axis_au": -0.30645604357410655,
    "eccentricity": 1.6037735056208118,
    "perihelion_distance_au": 0.18503003974742255,
    "inclination_deg": 137.19422921371162,
    "ascending_node_deg": 105.23080082799508,
    "argument_perihelion_deg": 336.19223364862216,
    "true_anomaly_at_epoch_deg": 273.0110590129994,
    "orbit_type": "hyperbolic"
  },
  "caveat": "The 8.5-hour angular arc is ill-conditioned for an independent heliocentric orbit. The solution is a JPL-seeded local differential fit and must not be treated as a new definitive orbit."
}