{ "model": { "rank": 12596, "code": "thing-q1579577", "model_id": "vr.tr.geocentric-orbit", "name": "geocentric orbit", "purpose": "Let an agent explain the geocentric orbit, relay its classification and uses from astronomy and spaceflight sources, describe the altitude bands its aliases name, and distinguish a geocentric orbit from heliocentric and other orbits.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QLT", "industry": "", "version": "", "url": "/models/thing/q1579577/", "tier": 2, "score": 39, "payload": { "layer": "wikidata", "aliases": [ "high Earth orbit", "medium Earth orbit" ], "aliasCount": 2, "merged": 2, "knownIn": 39, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q1579577", "url": "https://www.wikidata.org/wiki/Q1579577", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-14T04:01:23Z", "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": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q1579577", "registryId": "vr.tr.geocentric-orbit", "name": "geocentric orbit", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1579577/", "model": { "registry_id": "vr.tr.geocentric-orbit", "name": "geocentric orbit", "purpose": "Let an agent explain the geocentric orbit, relay its classification and uses from astronomy and spaceflight sources, describe the altitude bands its aliases name, and distinguish a geocentric orbit from heliocentric and other orbits.", "definition": "A geocentric orbit is the path of an object, such as a satellite or the Moon, around the Earth; the registry aliases name bands by altitude such as low, medium and high Earth orbit. Geocentric orbits are classified by altitude, shape and inclination, and they are where satellites operate. The term means an orbit centred on the Earth, distinct from orbits around the Sun or other bodies.", "what_it_is_for": "Describing an orbit around the Earth.", "affordances": [ "explain the term", "relay classification and uses", "describe altitude bands", "distinguish it from other orbits" ], "distinguishing_features": [ "Centred on Earth", "Classified by altitude", "Where satellites operate", "Not heliocentric" ], "appearance": "Not a visible object; a path around the Earth, drawn as a curve or ring about the planet.", "visual_identification": [ "An orbit centred on the Earth", "Low, medium and high Earth orbit", "A heliocentric orbit is around the Sun; other orbits circle other bodies" ], "physical_properties": [ { "quantity": "centre", "typical_range": "the Earth", "unit": "note", "note": "" }, { "quantity": "classified by", "typical_range": "altitude, shape, inclination", "unit": "list", "note": "" }, { "quantity": "registry parent", "typical_range": "planetocentric orbit", "unit": "note", "note": "" } ], "families_and_kinds": [ "low Earth orbit", "medium Earth orbit", "geostationary orbit" ], "related_models": [ { "relation": "is a kind of", "target": "orbit", "why": "in registry terms" }, { "relation": "is contrasted with", "target": "heliocentric orbit", "why": "" }, { "relation": "is contrasted with", "target": "lunar orbit", "why": "" }, { "relation": "is the path of", "target": "satellites", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "Spaceflight and orbital conventions" ], "failure_modes_and_hazards": [ "Confusing geocentric and heliocentric orbits", "Conflating altitude bands", "Mixing orbit classifications" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a geocentric orbit is.", "rationale": "Definition.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is a geocentric orbit, and how does it differ from heliocentric and other orbits?", "kind": "definition" }, { "text": "Is the question about a specific altitude band?", "kind": "boundary" } ] } ] }, { "id": "bands", "name": "Bands", "description": "Altitude bands.", "findings": [ { "id": "bands-finding", "name": "Bands", "description": "Bands.", "questions": [ { "text": "What are low, medium and high Earth orbit?", "kind": "definition" }, { "text": "Which entry fits the specific band?", "kind": "action" } ] } ] } ] }, { "id": "classification", "name": "Classification", "description": "Classification.", "rationale": "Sources.", "layers": [ { "id": "altitude", "name": "Altitude", "description": "Altitude.", "findings": [ { "id": "altitude-finding", "name": "Altitude", "description": "Altitude.", "questions": [ { "text": "How are geocentric orbits classified by altitude?", "kind": "provenance" }, { "text": "How is altitude measured?", "kind": "measurement" } ] } ] }, { "id": "shape", "name": "Shape", "description": "Shape and inclination.", "findings": [ { "id": "shape-finding", "name": "Shape", "description": "Shape.", "questions": [ { "text": "How do shape and inclination classify orbits?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] } ] }, { "id": "uses", "name": "Uses", "description": "Uses.", "rationale": "Sources.", "layers": [ { "id": "satellites", "name": "Satellites", "description": "Satellites.", "findings": [ { "id": "satellites-finding", "name": "Satellites", "description": "Satellites.", "questions": [ { "text": "Which orbits suit which satellite tasks?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "geostationary", "name": "Geostationary", "description": "Geostationary.", "findings": [ { "id": "geostationary-finding", "name": "Geostationary", "description": "Geostationary.", "questions": [ { "text": "What is the special geostationary orbit?", "kind": "provenance" }, { "text": "Which entry fits geostationary orbit?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Context.", "rationale": "Context.", "layers": [ { "id": "mechanics", "name": "Mechanics", "description": "Orbital mechanics.", "findings": [ { "id": "mechanics-finding", "name": "Mechanics", "description": "Mechanics.", "questions": [ { "text": "What keeps an object in geocentric orbit?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "other", "name": "Other", "description": "Other orbits.", "findings": [ { "id": "other-finding", "name": "Other", "description": "Other.", "questions": [ { "text": "How does a geocentric orbit differ from a heliocentric one?", "kind": "provenance" }, { "text": "Which entry fits the related orbit?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should altitude bands be separate entries?", "How should orbit classification be explained?", "How should the geostationary orbit be linked?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a geocentric orbit, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain the geocentric orbit, relay its classification and uses from astronomy and spaceflight sources, describe the altitude bands its aliases name, and distinguish a geocentric orbit from heliocentric and other orbits.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: high Earth orbit, medium Earth orbit.", "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 39 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a geocentric orbit, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "high Earth orbit", "medium Earth orbit" ] } ], "standing": "Described in 39 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one geocentric orbit from another, and a geocentric orbit from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a geocentric orbit, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a geocentric orbit, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a geocentric orbit is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a geocentric orbit, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a geocentric orbit, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a geocentric orbit is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a geocentric orbit sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a geocentric orbit, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a geocentric orbit, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a geocentric orbit is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a geocentric orbit from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a geocentric orbit, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a geocentric orbit, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a geocentric orbit is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a geocentric orbit passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a geocentric orbit between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a geocentric orbit, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a geocentric orbit, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a geocentric orbit is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a geocentric orbit, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a geocentric orbit is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a geocentric orbit, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a geocentric orbit, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a geocentric orbit is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What geocentric orbit is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of geocentric orbit are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is geocentric orbit operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of geocentric orbit and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of geocentric orbit?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as geocentric orbit?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a geocentric orbit came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a geocentric orbit and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a geocentric orbit, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a geocentric orbit, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a geocentric orbit is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a geocentric orbit is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a geocentric orbit, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a geocentric orbit, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a geocentric orbit is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }