{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T12:48:55Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 1,
    "engine": "claude"
  },
  "metaModel": {
    "id": "THING-Q777140",
    "registryId": "vr.tr.mars-crossing-asteroid",
    "name": "Mars-crossing asteroid",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q777140/",
  "model": {
    "registry_id": "vr.tr.mars-crossing-asteroid",
    "name": "Mars-crossing asteroid",
    "purpose": "Let an agent handle Mars-crossing asteroids by orbital definition, examples, dynamics and relation to near-Earth asteroids.",
    "definition": "An asteroid whose orbit crosses that of Mars, defined by the Minor Planet Center as having a perihelion distance between about 1.3 and 1.666 astronomical units; examples include 132 Aethra and 323 Brucia, the first Mars-crosser discovered.",
    "what_it_is_for": "Classifying asteroid orbits in planetary science.",
    "affordances": [
      "check whether an asteroid is a Mars-crosser",
      "explain the orbital definition",
      "describe how Mars-crossers evolve",
      "find orbital data"
    ],
    "distinguishing_features": [
      "Orbit crosses Mars",
      "Defined by perihelion distance",
      "Dynamically unstable over long times",
      "Source of some near-Earth asteroids"
    ],
    "appearance": "Not visible to the naked eye; points of light in telescopic images and orbits in diagrams.",
    "visual_identification": [
      "Perihelion between about 1.3 and 1.666 AU",
      "Orbits crossing Mars",
      "Near-Earth asteroids have perihelia below 1.3 AU"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "Mars-crossers from the inner main belt",
      "Hungaria-region crossers",
      "long-lived and transient crossers"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "planet-crossing minor planet",
        "why": "category"
      },
      {
        "relation": "crosses",
        "target": "orbit of Mars",
        "why": "orbit"
      },
      {
        "relation": "is related to",
        "target": "near-Earth asteroid",
        "why": "related group"
      },
      {
        "relation": "is catalogued by",
        "target": "Minor Planet Center",
        "why": "catalogue"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Minor Planet Center orbit classifications"
    ],
    "failure_modes_and_hazards": [
      "Confusing orbit crossing with collision risk",
      "Using outdated orbital elements"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [],
  "structure": {
    "bundles": [
      {
        "id": "definition",
        "name": "Definition",
        "description": "What counts.",
        "rationale": "Perihelion defines it.",
        "layers": [
          {
            "id": "criterion",
            "name": "Criterion",
            "description": "Perihelion range.",
            "findings": [
              {
                "id": "criterion-finding",
                "name": "Criterion",
                "description": "Perihelion criterion.",
                "questions": [
                  {
                    "text": "What is the perihelion distance of this asteroid?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Does it fall within the Mars-crosser range?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "crossing",
            "name": "Crossing",
            "description": "Orbit crossing.",
            "findings": [
              {
                "id": "crossing-finding",
                "name": "Crossing",
                "description": "Orbit crossing.",
                "questions": [
                  {
                    "text": "Does crossing the orbit of Mars mean it can collide with Mars?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What else is needed for a close approach?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "examples",
        "name": "Examples",
        "description": "Known objects.",
        "rationale": "Examples anchor the class.",
        "layers": [
          {
            "id": "known",
            "name": "Known",
            "description": "Examples.",
            "findings": [
              {
                "id": "known-finding",
                "name": "Known",
                "description": "Examples.",
                "questions": [
                  {
                    "text": "Which notable Mars-crossers are known?",
                    "kind": "provenance"
                  },
                  {
                    "text": "When were they discovered?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "data",
            "name": "Data",
            "description": "Orbital elements.",
            "findings": [
              {
                "id": "data-finding",
                "name": "Data",
                "description": "Orbital data.",
                "questions": [
                  {
                    "text": "Where can current orbital elements be found?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How precise are they?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "dynamics",
        "name": "Dynamics",
        "description": "Evolution.",
        "rationale": "Orbits change.",
        "layers": [
          {
            "id": "evolution",
            "name": "Evolution",
            "description": "Orbital evolution.",
            "findings": [
              {
                "id": "evolution-finding",
                "name": "Evolution",
                "description": "Orbital evolution.",
                "questions": [
                  {
                    "text": "How do encounters with Mars change these orbits over time?",
                    "kind": "definition"
                  },
                  {
                    "text": "Can they become near-Earth asteroids?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "sources",
            "name": "Sources",
            "description": "Origins.",
            "findings": [
              {
                "id": "sources-finding",
                "name": "Sources",
                "description": "Origins.",
                "questions": [
                  {
                    "text": "Where do Mars-crossers come from, according to dynamical studies?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which resonances feed them?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "risk",
        "name": "Risk",
        "description": "Earth relevance.",
        "rationale": "Communicate calmly.",
        "layers": [
          {
            "id": "earth",
            "name": "Earth",
            "description": "Earth approach.",
            "findings": [
              {
                "id": "earth-finding",
                "name": "Earth",
                "description": "Earth relevance.",
                "questions": [
                  {
                    "text": "Does this object come close to Earth, according to official risk lists?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How should risk be explained calmly?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "observe",
            "name": "Observe",
            "description": "Amateur observing.",
            "findings": [
              {
                "id": "observe-finding",
                "name": "Observe",
                "description": "Observing.",
                "questions": [
                  {
                    "text": "Can this asteroid be observed with amateur telescopes?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How can observations be reported?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each asteroid be a separate entry?",
    "How should orbit databases be linked?",
    "How should classification boundaries be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}