{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.asteroid","code":"thing-q3863","url":"https://ver.cy/models/thing/q3863/","name":"asteroid","alternateNames":["trojan","Uranus trojan","trojan moon","Mars trojan","Earth trojan","Venus trojan","Neptune trojan","Jupiter trojan","Earth-crossing asteroid","hyperbolic asteroid","near-Earth asteroid","captured asteroid"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.SPC"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A small rocky or metallic body orbiting the Sun, mostly in the main belt between Mars and Jupiter, and also as trojans and near-Earth objects, too small to be a planet and lacking a comet coma.","purpose":"Let an agent handle asteroids by designation, orbit, size and composition, including near-Earth objects and impact risk, with official sources.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Small Solar System body without a coma","Most in the main belt","Trojans share a planet orbit at Lagrange points","Near-Earth asteroids are monitored for impact risk"],"structure":{"bundles":[{"id":"identity","name":"Identity","description":"Which asteroid.","layers":[{"id":"designation","name":"Designation","description":"Number and name.","findings":[{"id":"designation-finding","name":"Designation","description":"Designation and name.","questions":[{"text":"What is its designation and name?","kind":"provenance"},{"text":"Is it provisional?","kind":"boundary"}]}]},{"id":"class","name":"Class","description":"Orbital and compositional class.","findings":[{"id":"class-finding","name":"Class","description":"The classes.","questions":[{"text":"Which orbital group does it belong to?","kind":"definition"},{"text":"What is its spectral type?","kind":"definition"}]}]}]},{"id":"orbit","name":"Orbit","description":"Where it goes.","layers":[{"id":"elements","name":"Orbital elements","description":"Path.","findings":[{"id":"elements-finding","name":"Orbit","description":"Orbital elements.","questions":[{"text":"What are its orbital elements and their uncertainty?","kind":"measurement"},{"text":"When is its next close approach?","kind":"measurement"}]}]},{"id":"risk","name":"Impact risk","description":"Probability.","findings":[{"id":"risk-finding","name":"Risk rating","description":"Risk rating.","questions":[{"text":"What is its impact probability and Torino rating, from which source?","kind":"provenance"},{"text":"How should that be communicated without alarm?","kind":"action"}]}]}]},{"id":"physical","name":"Physical","description":"Size and composition.","layers":[{"id":"size","name":"Size","description":"Diameter and mass.","findings":[{"id":"size-finding","name":"Size","description":"Size estimate.","questions":[{"text":"How large is it, and how was that estimated?","kind":"measurement"},{"text":"What is its rotation period?","kind":"measurement"}]}]},{"id":"composition","name":"Composition","description":"Rock, metal, carbon.","findings":[{"id":"composition-finding","name":"Composition","description":"Composition.","questions":[{"text":"What is it made of?","kind":"measurement"},{"text":"Is it a rubble pile?","kind":"definition"}]}]}]},{"id":"exploration","name":"Exploration","description":"Missions.","layers":[{"id":"missions","name":"Missions","description":"Visits and samples.","findings":[{"id":"missions-finding","name":"Missions","description":"Missions to it.","questions":[{"text":"Has any mission visited it?","kind":"provenance"},{"text":"What did it find?","kind":"provenance"}]}]},{"id":"defence","name":"Planetary defence","description":"Deflection.","findings":[{"id":"defence-finding","name":"Defence","description":"Deflection tests.","questions":[{"text":"Has deflection been tested on it or similar bodies?","kind":"provenance"},{"text":"Who coordinates response?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Report asteroid designations, orbits and impact assessments from official sources.","Distinguish provisional from permanent designations."],"mustNot":["Spread alarmist impact claims beyond official risk assessments.","Dismiss an official impact warning.","Present commercial claims to an asteroid as recognised ownership."],"requiresHuman":["Public communication of an impact risk.","Any action to deflect or alter an asteroid's orbit."]},"ethics":{"considerations":["Impacts are rare but could affect everyone, so communication must be calm and accurate."],"affectedParties":["The public","Planetary defence agencies"]},"owners":{"steward":"Nobody owns an asteroid; space law bars national appropriation of celestial bodies.","roles":[],"masterSystems":["Minor planet records of the astronomical community"]},"relations":[{"target":"Q1022867","type":"parent","note":"registry parent class"},{"target":"Q193275","type":"parent","note":"registry parent class"},{"target":"astronomical object","type":"related","note":"small body"},{"target":"star","type":"related","note":"the Sun"},{"target":"comet","type":"related","note":"comets have comae"},{"target":"planetary defence","type":"related","note":"impact risk"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.asteroid","Wikidata: Q3863 (https://www.wikidata.org/wiki/Q3863)","MPC number and name: number plus name numbered minor planets","provisional designation: year plus letters new discoveries"]},"properties":{"applicability":"required","items":["diameter: metres to 940 km - Ceres, now a dwarf planet, is largest","known objects: over 1.4 million objects"]},"recognition":{"applicability":"required","items":["Motion against background stars","Designations such as 433 Eros or 2024 YR4","No coma or tail, unlike comets","Points of light moving against the stars in telescopes; up close, irregular cratered bodies or rubble piles."]},"capabilities":{"applicability":"required","items":["discover and designate it, through the Minor Planet Center","track its orbit","assess impact risk","explore it, with spacecraft and sample returns"]},"hazards":{"applicability":"required","items":["Impacts, rare but potentially severe","Alarmist reporting of low-probability risks","Confusing provisional and permanent designations"]},"interfaces":{"applicability":"required","items":["IAU and Minor Planet Center naming rules","Torino and Palermo impact hazard scales","Outer Space Treaty on resource use"]},"context":{"applicability":"required","items":["Asteroids record the early Solar System, pose impact risks and are targets for exploration.","main-belt asteroids","near-Earth asteroids: Atira, Aten, Apollo, Amor","trojans of various planets","by composition: C-type, S-type, M-type"]}},"sources":[{"title":"Wikidata item Q3863: asteroid","url":"https://www.wikidata.org/wiki/Q3863","note":"identity and sense of the item"},{"title":"Wikipedia: Asteroid","url":"https://en.wikipedia.org/wiki/Asteroid","note":"general description of the item"}],"openQuestions":["Should asteroids be instances with MPC designations?","How should impact risk be communicated?","How should resource claims be represented?"],"resources":{"spec":"/models/things/publications/thing-q3863/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q3863/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T05:00:01Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:59+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}