{
  "id": "malligyong-1",
  "name": "Malligyong-1",
  "aliases": [
    "Manligyeong-1"
  ],
  "domain": "space",
  "country": "PRK",
  "category": "Optical reconnaissance satellite",
  "status": "in-service",
  "fielded": null,
  "operators": [
    "PRK"
  ],
  "summary": "North Korea's first reconnaissance satellite program; one of four launch attempts reached orbit.",
  "specs": [
    {
      "k": "orbit_regime",
      "v": "LEO (sun-synchronous)",
      "src": [
        "gsp-malligyong-1"
      ],
      "conf": "medium"
    },
    {
      "k": "orbit_text",
      "v": "493 km × 512 km, 97.4°",
      "src": [
        "gsp-malligyong-1"
      ],
      "conf": "medium"
    },
    {
      "k": "sats_count",
      "v": 1,
      "src": [
        "gsp-malligyong-1"
      ],
      "conf": "medium",
      "note": "F3 reached orbit 21 November 2023; three failures"
    },
    {
      "k": "first_launch",
      "v": 2023,
      "src": [
        "gsp-malligyong-1"
      ],
      "conf": "medium"
    },
    {
      "k": "on_orbit",
      "v": 1,
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Payloads with current element sets in the public catalog, active or not."
    },
    {
      "k": "active_sats",
      "v": 1,
      "src": [
        "celestrak-gp"
      ],
      "conf": "medium",
      "note": "Count in the CelesTrak active satellites list, which estimates operational status."
    },
    {
      "k": "perigee_km",
      "v": 491,
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Active satellites per CelesTrak, element epoch about 2026-11-08."
    },
    {
      "k": "apogee_km",
      "v": 500,
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Active satellites per CelesTrak, element epoch about 2026-11-08."
    },
    {
      "k": "period_min",
      "v": 94.5,
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Active satellites per CelesTrak, element epoch about 2026-11-08."
    },
    {
      "k": "inclination_deg",
      "v": 97.28,
      "src": [
        "celestrak-gp"
      ],
      "conf": "high",
      "note": "Active satellites per CelesTrak, element epoch about 2026-11-08."
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "satellite",
  "image": null,
  "verified": null,
  "changelog": [
    {
      "date": "2026-11-08",
      "change": "Entry created from cited open sources"
    },
    {
      "date": "2026-11-08",
      "change": "Orbital elements from CelesTrak GP data (epoch about 2026-11-08): 1 catalogued, 1 active."
    }
  ],
  "satellites": [
    {
      "name": "MALLIGYONG-1",
      "norad": 58400,
      "cospar": "2023-179A",
      "perigee_km": 491,
      "apogee_km": 500,
      "inclination_deg": 97.28,
      "period_min": 94.5,
      "epoch": "2026-11-08",
      "active": true,
      "owner": "NKOR",
      "launch": "2023-11-21"
    }
  ],
  "url": "https://www.defensepedia.com/systems/malligyong-1.html",
  "sources": {
    "gsp-malligyong-1": {
      "title": "Malligyong-1",
      "publisher": "Gunter's Space Page",
      "url": "https://space.skyrocket.de/doc_sdat/malligyong-1.htm",
      "published": null,
      "tier": 3,
      "checked": "2026-11-08"
    },
    "celestrak-gp": {
      "title": "NORAD GP element sets (current data)",
      "publisher": "CelesTrak (data from the U.S. Space Force 18th/19th Space Defense Squadron catalog)",
      "url": "https://celestrak.org/NORAD/elements/",
      "published": "2026-11-08",
      "tier": 1,
      "checked": "2026-11-08"
    }
  }
}