{
  "domain": "engineering-energy",
  "topics": [
    "aerospace-trajectory"
  ],
  "type": "design",
  "benchmark": {
    "task": "Maximize the number of asteroid flybys before a final rendezvous",
    "metric": {
      "name": "Asteroids flown by (ties: higher final mass)",
      "better": "higher"
    },
    "baseline": {
      "name": "Winning score, Moscow State University (GTOC4, 2009)",
      "score": 44
    }
  },
  "source": {
    "key": "gtoc",
    "name": "Global Trajectory Optimisation Competition",
    "url": "https://sophia.estec.esa.int/gtoc_portal/?page_id=23",
    "id": "GTOC4",
    "curator": "ESA Advanced Concepts Team",
    "poser": "Régis Bertrand, Richard Epenoy and Benoît Meyssignac (CNES)",
    "status": "past edition, closed March 2009",
    "as_of": "2026-10-20",
    "catalog": "0521c19bbd38"
  }
}