{
  "epoch": "2026-07-15 catalog (Space-Track pull by Editor)",
  "n_objects": 32010,
  "class_counts": {
    "sat": 19639,
    "rb": 2191,
    "deb": 10180
  },
  "starlink_count": 10742,
  "oneweb_count": 654,
  "qianfan_like_count": 238,
  "payload_peak": {
    "alt_km": 490,
    "n_km3": 2.325496786834103e-06
  },
  "starlink_peak": {
    "alt_km": 490,
    "n_km3": 2.304385849947524e-06
  },
  "debris_peak": {
    "alt_km": 801,
    "n_km3": 4.049760189000555e-08
  },
  "band_avg_sat_540_570": 6.412771188769327e-08,
  "band_avg_sat_465_495": 4.4464686544602967e-07,
  "crash_clock_10_5_10_days": 0.7135498934684702,
  "P_24h": 0.7537587902525238,
  "method": "HoC v3: 1-km shells, orbit-fraction weighting, Eq.7 with 1/2 same-pop factor",
  "grade": "SEAT-VERIFIED from primary catalog (D2-R1b: independent parse, classification variant-robust, weighting, Clock chain reproduced; d2r1b_catalog_verification.json)",
  "starlink_over_debris_peak_ratio_1km_bins_ANNOTATED": 56.901785350312956,
  "_ratio_note": "1-km bin-peak ratio; discretization-dependent (denominator ~26 effective objects). CARRIED study number: 11.1x at 30-km matched-scale windows [10.1, 11.4] (referee F12). Never quote the bin-peak unannotated.",
  "starlink_count_note": "10,742 STARLINK-named objects incl. 2 debris (STARLINK-34343 DEB x2); payload count 10,740 (referee F9)"
}