# TerraFabric Ontology — generated by terrafabric-server
# version 1.0.0

@prefix tf: <https://terrafabric.world/ont#> .
@prefix tfr: <https://terrafabric.world/id/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix sosa: <http://www.w3.org/ns/sosa/> .
@prefix ssn: <http://www.w3.org/ns/ssn/> .
@prefix geo: <http://www.opengis.net/ont/geosparql#> .
@prefix schema: <https://schema.org/> .
@prefix odrl: <http://www.w3.org/ns/odrl/2/> .

<https://terrafabric.world/id/collection/celestrak-satcat> a tf:DataProductCollection ;
    dct:identifier "celestrak-satcat" ;
    dct:title "CelesTrak Satellite Catalog and Orbital Elements" ;
    dct:description "Every catalogued object in Earth orbit (payloads, rocket bodies and debris) with owner, launch, orbit class and decay, and current general-perturbation orbital elements for propagation. Derived from the US Space Force public catalogue." ;
    tf:providedBy <https://terrafabric.world/id/provider/celestrak> ;
    tf:dataTier tf:tier-product ;
    tf:processingLevel tf:level-L3 ;
    tf:accessClass "free" ;
    tf:hasModality tf:modality-orbital ;
    tf:dataCategory tf:category-tracks ;
    tf:hasPlatform <https://terrafabric.world/id/platform/us-space-force-space-surveillance-network> ;
    tf:hasInstrument <https://terrafabric.world/id/instrument/satellite-catalogue> ;
    tf:hasInstrument <https://terrafabric.world/id/instrument/gp-orbital-elements> ;
    tf:revisitHours "8"^^xsd:decimal ;
    tf:latencyHours "8"^^xsd:decimal ;
    tf:allWeather false ;
    tf:nightCapable false ;
    tf:taskable false ;
    tf:license <https://terrafabric.world/id/license/provider-terms> ;
    tf:releasability tf:marking-public ;
    dcat:keyword "satellites" ;
    dcat:keyword "space domain awareness" ;
    dcat:keyword "orbital elements" ;
    dcat:keyword "TLE" ;
    dcat:keyword "debris" ;
    dcat:keyword "SATCAT" ;
    tf:spatialExtent <https://terrafabric.world/id/collection/celestrak-satcat/extent/spatial> ;
    tf:temporalExtent <https://terrafabric.world/id/collection/celestrak-satcat/extent/temporal> ;
    tf:format <https://terrafabric.world/id/format/csv> ;
    tf:format <https://terrafabric.world/id/format/json> ;
    tf:format <https://terrafabric.world/id/format/tle> ;
    tf:format <https://terrafabric.world/id/format/omm> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/celestrak-satcat/access/0> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/celestrak-satcat/access/1> .

<https://terrafabric.world/id/collection/celestrak-satcat/extent/spatial> a tf:SpatialExtent ;
    tf:bbox "-180,-90,180,90" ;
    tf:asWKT "POLYGON((-180 -90,180 -90,180 90,-180 90,-180 -90))"^^geo:wktLiteral .

<https://terrafabric.world/id/collection/celestrak-satcat/extent/temporal> a tf:TemporalExtent ;
    tf:startDate "1957-10-04"^^xsd:date .

<https://terrafabric.world/id/collection/celestrak-satcat/access/0> a tf:AccessMethod ;
    tf:accessKind "https" ;
    tf:endpointURL "https://celestrak.org/satcat/"^^xsd:anyURI .

<https://terrafabric.world/id/collection/celestrak-satcat/access/1> a tf:AccessMethod ;
    tf:accessKind "https" ;
    tf:endpointURL "https://celestrak.org/NORAD/elements/"^^xsd:anyURI .